Filename:	blk_mprec_state_p18_v01.dbf, blk_mprec_state_p18_v01.csv

File URL:	http://statewidedatabase.org/pub/data/P18/state/blk_mprec_state_p18_v01.zip

Dataset:	2018 Primary Election precinct geographic conversion file

Description:	This file contains statewide 2010 Census block conversions for the 2018 Primary Election Map precincts (mprec). 
This file can be used to merge 2010 census block, block group and tract data to the 2018 Primary Election map precincts.

Geographic unit:	Map precincts (MPREC) are created to reflect the geography as consistently as possible. 
RR precincts are consolidated RG precincts (tabular data). Map precincts (geographic data) are consolidated RR precincts. 
Generally speaking, Map precincts are RR precincts.

Please refer to the technical documentation for further information, 
http://statewidedatabase.org/d10/Creating%20CA%20Official%20Redistricting%20Database.pdf

File fields:

	ELECTION - 3 digit, election abbreviation

	TYPE - geographic unit of file

	FIPS - 2 digit state code FIPS for California, '06,' followed by the 3 digit county FIPS code 

	BLOCK - 15 digit block code consisiting of the 5 digit FIPS, 6 digit tract code and 4 digit block code

	MPREC_KEY - FIPS code followed by the precinct number or name

	MPREC - precinct number or name

	PCTBLK - percent of the 2010 Census Block that is within the Map precinct

Date last modified:  Mon,11/Feb/2019
Previous versions:	none
07/16/19 

County records unavailable at time of file creation:	
025 - Imperial County data are still being collected and processed.
047 - Merced County data are still being collected and processed.

Data user notes: