Precinct Types

MPREC

Geography for Registration precincts, corresponding with RRPREC tabular data. RRPREC data aggregate the original reported registration data (RGPREC data) into these MPREC geographic precincts.

SRPREC

Consolidation of Registration (RR) and Voting (SV) precincts. Both Registration and Voting data are available as SRPREC tabular datasets.

Boundary File Types

_CDF

.cdf file format. Compatible with Maptitude by Caliper GIS software.

_MIF

.mif file format. Compatible with MapInfo by Pitney Bowes GIS software.

_SHP

.shp file format. Compatible with any ArcGIS program by ESRI. Many open source and low cost GIS platforms are able to view/ open the .shp file type.

Data Conversion File Descriptions

SRPREC TO 2010 BLK

SR Precinct to 2010 Block conversion files delimited with fields SR Precinct, Block and Share of Precinct.

2010 BLK TO MPREC

2010 Block to Map precinct conversion files delimited with fields Block, Precinct and Share of Block, Share of Precinct. Please note that the share of precinct is not a reliable measure. Please use the MP_BLK or SSP_BLK files instead.

MPREC TO SRPREC

Map Precinct to SR Precinct conversion files delimited with fields MPREC and SRPREC.

SRPREC TO CITY

SR Precinct to CITY conversion files delimited with fields srprec, city, n_in_city and n...