Summary Description of California's 2011 Congressional Districts

The maps below show districts for California's Congressional delegation. Population gains from the 2010 Census maintained the state delegation's 53 seats in the House of Representatives.

District Number

01	02	03	04	05	06	07	08	09	10	11	12	13
14	15	16	17	18	19	20	21	22	23	24	25	26
27	28	29	30	31	32	33	34	35	36	37	38	39
40	41	42	43	44	45	46	47	48	49	50	51	52
53

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District population statistics, Excel .xls of the tables

County & City splits, Excel .xls files for the city splits and county splits

District boundary files

2010 Census Block, ZIP code and precinct to district equivalencies

District Summaries & Maps:

Please Note: Registration data below are from the 15-Day Close Report for the November 6, 2012 General Election and race and ethnicity data are from the 2007-2009 ACS 3-Year Estimates.

District 1 (30.52% Democratic, 42.32% Republican, 20.73% No Party Preference) - Mike Thompson - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 11.99% Latino, 79.08% White, 1.68% Black, and 2.89% Asian. The 2011 1st Congressional District includes the counties of Siskiyou, Shasta, Tehama, Butte, Nevada, Placer, Lassen, Plumas, Sierra, Glenn and Modoc. It excludes the counties of Del Norte, Humboldt, Lake, and Sonoma, which were part of 1st Congressional District in 2001. Cities include: Redding, Chico, Weed, Auburn, Tehama, and Yreka.

District 2 (49.33% Democratic, 21.88% Republican, 22.37% No Party Preference) - Wally Herger -MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 16.64% Latino, 72.80% White, 1.94% Black, and 4.35% Asian. The 2011 2nd Congressional District includes the counties of Del Norte, Trinity, Sonoma, Humboldt, Mendocino, and Marin. It excludes the counties of Siskiyou, Shasta, Colusa, and Butte, which were part of 2nd Congressional District in 2001.  Cities include: Mill Valley, Cloverdale, Fairfax, Sausalito, Petaluma, and Novato.

District 3 (41.18% Democratic, 32.03% Republican, 21.61% No Party Preference) - Daniel Lungren -MAP

The deviation from the ideal population is 1 or 0.00% out of 702,905. The ethnicity in this district is 27.78% Latino, 50.86% White, 6.52% Black, and 11.20% Asian. The 2011 3rd Congressional District includes the counties of Glenn, Lake, Yolo, Solano, Colusa, Sacramento, and Sutter. It excludes the counties of Calaveras and Alpine, which were part of 3rd Congressional District in 2001. Cities include: Fairfield, Vacaville, Woodland, Colusa, Williams, Isleton, Davis, Dixon, and Winters.

District 4 (29.18% Democratic, 45.48% Republican, 19.83% No Party Preference) - Tom McClintock - MAP

The deviation from the ideal population is 1 or 0.00% out of 702,905. The ethnicity in this district is 12.36% Latino, 78.21% White, 1.49% Black, and 4.94% Asian. The 2011 4th Congressional District excludes the counties of Sierra, Plumas, Lassen, and Modoc, which were part of 4th Congressional District in 2001. This district includes Placer, El Dorado, Tuolumne, Calaveras, Madera, Amador, Nevada, and Fresno Counties. Cities include: Roseville, Ione, Truckee, South Lake Tahoe, Jackson, and Angels.

District 5 (51.55% Democratic, 21.73% Republican, 21.64% No Party Preference) - Doris Matsui - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 25.69% Latino, 52.75% White, 6.99% Black, and 11.56% Asian. The 2011 5th Congressional District includes the counties of Lake, Napa, Contra Costa, Sonoma, and Solano. It excludes Sacramento County which was part of 5th Senate District in 2001. Cities include: Santa Rosa, Vallejo, Napa, Martinez, Pinole, and Calistoga.

District 6 (50.22% Democratic, 24.75% Republican, 20.37% No Party Preference) - Lynn Woolsey - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 26.95% Latino, 38.87% White, 13.62% Black, and 16.12% Asian. The 2011 6th Congressional District is mainly composed of Sacramento County. It excludes the counties of Sonoma and Marin, which composed 6th Congressional District in 2001. This district also includes a portion of Yolo County. Cities include Sacramento and West Sacramento.

District 7 (39.21% Democratic, 37.79% Republican, 18.57% No Party Preference) - George Miller - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 16.12% Latino, 57.16% White, 8.16% Black, and 15.07% Asian. The 2011 7th Congressional District is composed of Sacramento County. It excludes the counties of Contra Costa and Solano, which composed 7th Congressional District in 2001. Cities include: Elk Grove, Citrus Heights, Folsom, and Rancho Cordova.

District 8 (32.48% Democratic, 41.28% Republican, 19.91% No Party Preference) - Nancy Pelosi - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 35.34% Latino, 50.19% White, 8.12% Black, and 3.43% Asian. The 2011 8th Congressional District is composed of the counties of San Bernardino, Inyo, and Mono. It excludes San Francisco, which composed 8th Congressional District in 2001. Cities include: Victorville, Big Bear Lake, Redlands, Apple Valley, and Adelanto.

District 9 (46.11% Democratic, 34.01% Republican, 16.02% No Party Preference) - Barbara Lee - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 37.16% Latino, 36.89% White, 8.80% Black, and 14.37% Asian. The 2011 9th Congressional District is composed of the counties of San Joaquin, Contra Costa, and Sacramento. It excludes Alameda County, which composed District 9 in 2001. Cities include: Stockton, Lodi, Oakley, Galt, and Lathrop.

District 10 (39.70% Democratic, 38.66% Republican, 16.81% No Party Preference) - John Garamendi - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 40.08% Latino, 46.38% White, 3.69% Black, and 6.97% Asian. The 2011 10th Congressional District is composed of the counties of San Joaquin and Stanislaus. It excludes the counties of Alameda, Contra Costa, and Solano, which were part of 10th Congressional District in 2001. Cities include: Modesto, Tracy, Manteca, Turlock, Riverbank, and Patterson.

District 11 (49.96% Democratic, 24.45% Republican, 21.39% No Party Preference) - Jerry McNerney - MAP

The deviation from the ideal population is 1 or 0.00% out of 702,905. The ethnicity in this district is 25.56% Latino, 48.62% White, 9.39% Black, and 14.03% Asian. The 2011 11th Congressional District is located in Contra Costa County. It excludes the counties of Alameda, San Joaquin, and Stanislaus, which were part of 11th Congressional District in 2001. Cities include: Concord, Lafayette, Walnut Creek, El Cerrito, and Clayton.

District 12 (55.91% Democratic, 8.47% Republican, 30.90% No Party Preference) - Jackie Speier - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 14.68% Latino, 43.99% White, 6.27% Black, and 32.89% Asian. The 2011 12th Congressional District is composed of San Francisco County. It excludes San Mateo County, which was a part of 12th Congressional District in 2001.

District 13 (63.73% Democratic, 7.93% Republican, 18.23% No Party Preference) - Pete Stark - MAP

The deviation from the ideal population is 1 or 0.00% out of 702,905. The ethnicity in this district is 20.84% Latino, 34.21% White, 19.92% Black, and 22.27% Asian. The 2011 13th Congressional District is composed of the counties of Alameda and San Francisco. It excludes Santa Clara County, which was a part of 13th Congressional District in 2001. Cities include: Oakland, Berkeley, Emeryville, San Leandro, and Alameda.

District 14 (52.29% Democratic, 17.12% Republican, 26.73% No Party Preference) - Anna G. Eshoo - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 24.27% Latino, 36.94% White, 3.52% Black, and 32.06% Asian. The 2011 14th Congressional District is composed of the counties of San Mateo and San Francisco. It excludes the counties of Santa Clara and Santa Cruz, which were part of 14th Congressional District in 2001. Cities include: Belmont, Millbrae, Foster City, East Palo Alto, Half Moon Bay, and Pacifica.

District 15 (48.31% Democratic, 22.59% Republican, 21.15% No Party Preference) - Michael M. Honda - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 23.40% Latino, 37.47% White, 6.92% Black, and 28.91% Asian. The 2011 15th Congressional District is composed of the counties of Alameda and Contra Costa. It excludes Santa Clara County, which composed 15th Congressional District in 2001. Cities include: Hayward, Livermore, Fremont, Union City, and Dublin.

District 16 (46.14% Democratic, 31.26% Republican, 17.47% No Party Preference) - Zoe Lofgren - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 58.01% Latino, 25.10% White, 6.13% Black, and 8.83% Asian. The 2011 16th Congressional District is composed of the counties of Merced, Madera, and Fresno. It excludes Santa Clara County, which composed 16th Congressional District in 2001. Cities include: Fresno, Merced, Madera, Gustine, and Atwater.

District 17 (44.37% Democratic, 19.08% Republican, 31.66% No Party Preference) - Sam Farr - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 17.46% Latino, 26.81% White, 2.63% Black, and 50.96% Asian. The 2011 17th Congressional District is composed of the counties of Alameda and Santa Clara. It excludes the counties of Santa Cruz, San Benito, and Monterey, which composed 17th Congressional District in 2001. Cities include: Sunnyvale, San Jose, Milpitas, Cupertino, and Newark.

District 18 (45.55% Democratic, 24.02% Republican, 26.45% No Party Preference) - Dennis Cardoza - MAP

The deviation from the ideal population is 1 or 0.00% out of 702,905. The ethnicity in this district is 17.10% Latino, 57.93% White, 2.20% Black, and 20.91% Asian. The 2011 18th Congressional District is composed of the counties of San Mateo, Santa Clara, and Santa Cruz. It excludes the counties of San Joaquin, Stanislaus, Merced, Madera, and Fresno, which previously composed 18th Congressional District in 2001. Cities include: Saratoga, Santa Cruz, Los Gatos, Mountain View, Scotts Valley, Campbell, and Redwood City.

District 19 (47.81% Democratic, 21.38% Republican, 26.98% No Party Preference) - George Radanovich - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 41.45% Latino, 26.97% White, 3.09% Black, and 26.66% Asian. The 2011 19th Congressional District is located in Santa Clara County. It excludes the counties of Tuolumne, Mariposa, Stanislaus, Madera, and Fresno, which previously composed 19th Congressional District in 2001. The district is comprised of the cities of San Jose, Morgan Hill, and Gilroy.

District 20 (53.22% Democratic, 21.10% Republican, 20.97% No Party Preference) - Jim Costa - MAP

The deviation from the ideal population is 1 or 0.00% out of 702,905. The ethnicity in this district is 50.65% Latino, 39.20% White, 2.29% Black, and 5.93% Asian. The 2011 20th Congressional District is composed of the counties of Santa Clara, San Benito, Monterey, and Santa Cruz. It excludes the counties of Fresno, Kings, and Kern, which previously made up the 20th Congressional District in 2001.Cities include: Hollister, Salinas, King City, Capitola, Marina, and Gilroy.

District 21 (47.31% Democratic, 32.65% Republican, 16.25% No Party Preference) - Devin Nunes - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 70.96% Latino, 19.32% White, 4.67% Black, and 3.62% Asian. The 2011 21th Congressional District is composed of the counties of San Joaquin, Kings, Tulare, and Kern. It excludes most of Tulare County and some of Fresno County, which composed 21th Congressional District in 2001. Cities include: Coalinga, Lemoore, Wasco, Bakersfield, and Hanford.

District 22 (33.36% Democratic, 45.32% Republican, 16.45% No Party Preference) - Kevin McCarthy - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 44.75% Latino, 42.38% White, 3.13% Black, and 7.80% Asian. The 2011 22th Congressional District is included within the counties of Fresno and Tulare. It excludes the counties of Kern and San Luis Obispo, which composed 22th Congressional District in 2001. Cities include: Reedley, Dinuba, Woodlake, Clovis, and Visalia.

District 23 (29.73% Democratic, 46.52% Republican, 18.24% No Party Preference) - Lois Capps - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 35.53% Latino, 50.58% White, 6.36% Black, and 4.92% Asian. The 2011 23th Congressional District is included within the counties of Tulare, Los Angeles, and Kern. It excludes the counties of San Luis Obispo, Santa Barbara, and Ventura, which composed 23th Congressional District in 2001. Cities include: Lancaster, Ridgecrest, Tehachapi, Taft, and Maricopa.

District 24 (38.17% Democratic, 34.48% Republican, 21.64% No Party Preference) - Elton Gallegly - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 34.10% Latino, 57.12% White, 2.08% Black, and 4.86% Asian. The 2011 24th Congressional District includes San Luis Obispo County, which was not a part of 24th Congressional District in 2001. This district also includes Santa Barbara and Ventura counties. Cities include: Santa Maria, Santa Barbara, Lompoc, Atascadero, Morro Bay, and Arroyo Grande.

District 25 (35.41% Democratic, 39.42% Republican, 16.90% No Party Preference) - Howard P. "Buck" McKeon - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 35.32% Latino, 45.83% White, 8.54% Black, and 8.53% Asian. The 2011 25th Congressional District is contained in the counties of Los Angeles and Ventura. It excludes Inyo County, which was also a part of 25th Congressional District in 2001. Cities include: Palmdale, Simi Valley, Lancaster, and Santa Clarita.

.District 26 (39.97% Democratic, 34.96% Republican, 19.86% No Party Preference) - David Dreier - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 43.23% Latino, 46.12% White, 1.92% Black, 7.23% Asian. The 2011 26th Congressional District is contained mainly in Ventura County and also includes Los Angeles County. It excludes San Bernardino County, which was a part of 26th Congressional District in 2001. Cities include: Oxnard, Thousand Oaks, Ojai, Santa Paula, and Moorpark.

District 27 (42.17% Democratic, 27.76% Republican, 22.12% No Party Preference) - Brad Sherman - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 26.88% Latino, 29.22% White, 4.72% Black, and 37.94% Asian. The 2011 27th Congressional District includes the cities of Arcadia, Glendora, and Pasadena. It excludes Los Angeles City, which was part of 27th Congressional District in 2001. This district is comprised of Los Angeles and San Bernardino counties.

District 28 (47.61% Democratic, 21.91% Republican, 20.78% No Party Preference) - Howard L. Berman - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 25.70% Latino, 55.28% White, 2.61% Black, and 15.03% Asian. The 2011 28th Congressional District located in a small area of Los Angeles County includes the cities of Burbank, La Canada Flintridge, and Glendale. It excludes the Los Angeles City, which was part of 28th Congressional District in 2001.

District 29 (54.72% Democratic, 15.80% Republican, 19.77% No Party Preference) - Adam Schiff - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 68.70% Latino, 18.42% White, 3.85% Black, and 7.89% Asian. The 2011 29th Congressional District located in a small portion of Los Angeles County includes the cities of Los Angeles and San Fernando. It excludes the cities of Glendale, Burbank and Pasadena, Temple City, and Monterey Park, which were parts of 29th Congressional District in 2001.

District 30 (49.25% Democratic, 24.47% Republican, 17.75% No Party Preference) - Henry Waxman - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 27.01% Latino, 53.36% White, 4.66% Black, and 13.45% Asian. The 2011 30th Congressional District includes the cities of Los Angeles and Hidden Hill. It excludes the cities of Calabasas, Santa Monica, Westlake  Village, and Beverly Hills, which were parts of 30th Congressional District in 2001. This district is comprised of small portions of Los Angeles and Ventura counties.

District 31 (40.93% Democratic, 34.73% Republican, 19.73% No Party Preference) - Xavier Becera - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 49.44% Latino, 29.66% White, 11.49% Black, and 7.54% Asian. The 2011 31th Congressional District is located in San Bernardino County and is composed of the cities of Rancho Cucamonga and Upland. It excludes the city of Los Angeles, which composed 31th Congressional District in 2001.

District 32 (46.99% Democratic, 26.34% Republican, 18.74% No Party Preference) -Judy Chu - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 62.62% Latino, 18.11% White, 2.73% Black, and 15.48% Asian. The 2011 32th Congressional District includes the cities of West Covina, Azusa, El Monte, and Duarte in the county of Los Angeles. It excludes the cities of Rosemead and Monterey Park, which were part of 32th Congressional District in 2001. It also includes the cities of San Dimas and La Verne, which were not a part of 32th Congressional District in 2001.

District 33 (43.91% Democratic, 27.54% Republican, 19.25% No Party Preference) - Diane Watson - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 11.21% Latino, 68.51% White, 3.16% Black, and 15.52% Asian. The 2011 33th Congressional District includes the cities of Santa Monica, Beverly Hills, Calabasas, Agoura Hills, and Malibu in the county of Los Angeles. It excludes the cities of Culver and Los Angeles, which were part of 33th Congressional District in 2001.

District 34 (57.74% Democratic, 12.22% Republican, 20.28% No Party Preference) - Lucille Roybal-Allard - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 65.43% Latino, 9.24% White, 4.55% Black, and 19.78% Asian. The 2011 34th Congressional District includes Los Angeles City in Los Angeles County. It excludes the cities of Vernon, Maywood, Huntington Park, Bell Gardens, and Bellflower, which were part of 34th Congressional District in 2001.

District 35 (48.12% Democratic, 26.38% Republican, 20.15% No Party Preference) - Maxine Waters - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 69.44% Latino, 15.92% White, 6.95% Black, and 6.40% Asian. The 2011 35th Congressional District is composed of a sizeable portion San Bernardino County and tiny area within Los Angeles County. Cities include: Fontana, Ontario, Pomona, Chino, Rialto, and Montclair. It excludes the cities of Inglewood, Gardena, and Lawndale, which were part of 35th Congressional District in 2001.

District 36 (39.05% Democratic, 39.01% Republican, 17.11% No Party Preference) - Jane Harman - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 46.64% Latino, 44.36% White, 3.96% Black, and 3.24% Asian. The 2011 36th Congressional District is located within Riverside County. It excludes Los Angeles County, which composed 36th Congressional District in 2001. Cities include: Coachella, Indio, Palm Desert, Blythe, and Palm Springs.

District 37 (64.56% Democratic, 10.25% Republican, 16.46% No Party Preference) - Laura Richardson - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 38.58% Latino, 24.28% White, 25.06% Black, and 10.11% Asian. The 2011 37th Congressional District is located in a small area of Los Angeles County and includes Culver City, Los Angeles, and Inglewood. It excludes the cities of Compton, Carson, Long Beach, and Hawaiian Gardens, which were part of 37th Congressional District in 2001.

District 38 (49.28% Democratic, 25.73% Republican, 17.72% No Party Preference) - Grace Napolitano - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 61.22% Latino, 18.92% White, 3.78% Black, and 14.71% Asian. The 2011 38th Congressional District is located in portions of Los Angeles and Orange County and includes the cities of Lakewood, Norwalk, Santa Fe Springs, Montebello, and South El Monte. It excludes the cities of La Puente and Industry, which were part of 38th Congressional District in 2001.

District 39 (32.34% Democratic, 39.23% Republican, 23.07% No Party Preference) - Linda Sanchez - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 32.60% Latino, 34.14% White, 2.48% Black, 29.38% Asian. The 2011 39th Congressional District includes portions of Orange, Los Angeles, and San Bernardino Counties and is comprised of the cities of Buena Park, Anaheim, Walnut, and La Habra Heights. It excludes the cities of Lakewood, Cerritos, and La Mirada, which were parts of 39th Congressional District in 2001.

District 40 (61.04% Democratic, 14.20% Republican, 17.03% No Party Preference) - Edward R. Royce - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 86.49% Latino, 5.36% White, 5.15% Black, and 2.29% Asian. The 2011 40th Congressional District is located in a small area of Los Angeles County and includes the cities of Paramount, Bellflower, Bell Gardens, and Vernon. It excludes the cities of Fullerton, Placentia, and Orange, and Los Alamitos which were part of 40th Congressional District in 2001.

District 41 (42.32% Democratic, 37.21% Republican, 16.24% No Party Preference) - Jerry Lewis- MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 55.90% Latino, 26.08% White, 10.06% Black, and 6.06% Asian. The 2011 41th Congressional District is composed of the counties of San Bernardino and Riverside. This district is comprised of the cities of Riverside, Moreno Valley, and Perris. It excludes the cities of Calimesa, San Jacinto, Yucaipa, and Twentynine Palms, which were included in 41th Congressional District in 2001.

District 42 (29.76% Democratic, 45.11% Republican, 19.90% No Party Preference) - Gary Miller - MAP

The deviation from the ideal population is 1 or 0.00% out of 702,905. The ethnicity in this district is 36.19% Latino, 46.63% White, 5.57% Black, and 9.54% Asian. The 2011 42th Congressional District is located in Riverside County. It excludes the counties of San Bernardino, Orange, and Los Angeles, which composed 42th Congressional District in 2001. Cities include: Corona, Murrieta, Norco, Temecula, and Canyon Lake.

District 43 (59.78% Democratic, 16.46% Republican, 16.15% No Party Preference) - Joe Baca - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 46.00% Latino, 15.08% White, 23.94% Black, and 12.85% Asian. The 2011 43th Congressional District is located in a small area of Los Angeles County. It excludes the county of San Bernardino, which composed 43th Congressional District in 2001. Cities include: Inglewood, Gardena, Lomita, Hawthorne, and Torrance.

District 44 (63.90% Democratic, 12.30% Republican, 16.14% No Party Preference) - Ken Calvert - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 68.41% Latino, 7.17% White, 16.96% Black, and 5.53% Asian. The 2011 44th Congressional District is located within Los Angeles County. It excludes the counties of Orange and Riverside, which composed 44th Congressional District in 2001. Cities include: Compton, South Gate, Carson, Long Beach, and Lynwood.

District 45 (28.15% Democratic, 43.70% Republican, 23.86% No Party Preference) - Mary Bono Mack - MAP

The deviation from the ideal population is 1 or 0.00% out of 702,905. The ethnicity in this district is 18.40% Latino, 55.50% White, 1.74% Black, and 22.87% Asian. The 2011 45th Congressional District is located within Orange County. It excludes Riverside County, which composed 45th Congressional District in 2001. Cities include: Irvine, Orange, Tustin, Laguna Hills, Villa Park, and Lake Forest.  

District 46 (44.30% Democratic, 30.07% Republican, 21.39% No Party Preference) - Dana Rohrabacher - MAP

The deviation from the ideal population is 1 or 0.00% out of 702,905. The ethnicity in this district is 66.56% Latino, 18.43% White, 1.89% Black, and 11.86% Asian. The 2011 46th Congressional District is located within Orange County. It excludes Los Angeles County, which composed 46th Congressional District in 2001. Cities include: Santa Ana, Anaheim, Orange, and Garden Grove.

District 47 (43.06% Democratic, 29.57% Republican, 19.37% No Party Preference) - Loretta Sanchez - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 34.13% Latino, 34.06% White, 7.69% Black, and 21.77% Asian. The 2011 47th Congressional District is located in both the counties of Los Angeles and Orange. It includes Los Angeles County, which was not a part of 47th Congressional District in 2001. Cities include: Long Beach, Garden Grove, Westminster, Cypress, and Stanton.

District 48 (28.38% Democratic, 43.88% Republican, 22.68% No Party Preference) - John Campbell - MAP

The deviation from the ideal population is 1 or 0.00% out of 702,905. The ethnicity in this district is 19.90% Latino, 58.56% White, 1.18% Black, and 18.71% Asian. The 2011 48th Congressional District located in Orange County includes the cities of Seal Beach, Huntington Beach, Fountain Valley, Newport Beach, and Laguna Beach. It excludes the cities of Irvine, Laguna Woods, and Lake Forest, which were part of 48th Congressional District in 2001.

District 49 (28.79% Democratic, 41.49% Republican, 24.44% No Party Preference) - Darrell E. Issa - MAP

The deviation from the ideal population is 1 or 0.00% out of 702,905. The ethnicity in this district is 25.78% Latino, 61.53% White, 2.72% Black, and 7.80% Asian. The 2011 49th Congressional District is composed of the counties of Orange and San Diego. It excludes Riverside County, which was part of 49th Congressional District in 2001. Cities include: Oceanside, Vista, Encinitas, Dana Point, Del Mar, and Mission Viejo.

District 50 (25.97% Democratic, 46.25% Republican, 22.16% No Party Preference) - Brian P. Bilbray - MAP

The deviation from the ideal population is 0 or 0.00% out of 702,905. The ethnicity in this district is 29.94% Latino, 58.64% White, 2.76% Black, and 6.08% Asian. The 2011 50th Congressional District is comprised of San Diego and Riverside counties and includes the cities of San Marcos and Escondido. It excludes the cities of Carlsbad, Encinitas, Solana Beach, and Del Mar, which were part of 50th Congressional District in 2001.

District 51 (49.44% Democratic, 20.81% Republican, 25.25% No Party Preference) - Bob Filner - MAP

The deviation from the ideal population is 1 or 0.00% out of 702,905. The ethnicity in this district is 68.45% Latino, 14.39% White, 7.12% Black, and 8.23% Asian. The 2011 51th Congressional District is located within San Diego and Riverside counties and includes the cities of Imperial Beach and San Diego, which were part of 51th Congressional District in 2001.

District 52 (32.68% Democratic, 34.46% Republican, 27.92% No Party Preference) - Duncan Hunter - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 12.86% Latino, 62.05% White, 3.35% Black, and 19.66% Asian. The 2011 52th Congressional District located in San Diego includes the cities of San Diego and Coronado. It excludes the cities of Santee, El Cajon, and La Mesa, which were parts of 52th Congressional District in 2001.

District 53 (42.09% Democratic, 27.64% Republican, 25.09% No Party Preference) - Susan A. Davis - MAP

The deviation from the ideal population is -1 or 0.00% out of 702,905. The ethnicity in this district is 31.76% Latino, 43.07% White, 8.44% Black, and 14.12% Asian. The 2011 53th Congressional District located in San Diego includes the cities of La Mesa, Lemon Grove, and Chula Vista, which were not a part of 53th Congressional District in 2001.