Ohio precinct shapefile with 2016 election results.

## RDH Date retrieval
08/12/2020

## Sources
Raw data for Ohio's precinct boundaries was sourced from election and other county officials and processed by members of MGGG and students at VRDI. For more information on the sourcing of this data, please refer to the Metric Geometry and Gerrymandering Group's Ohio Precincts Github repository. Election data come the Ohio Secretary of State and the MIT Election Data Science Lab. Demographic data were downloaded at the census block level from IPUMS NHGIS.

## Fields
CNTYFIPS: County FIPS code
COUNTY: County name
CODE: County-level precinct code
PRECODE: County FIPS and precinct code (precinct unique identifier)
PRECINCT: Precinct name
PRENAME: Precinct name from tabular results
TOTREG16: Total registered voters on November 8, 2016
TOTVOTE16: Total votes cast on November 8, 2016
TURNOUT16: Turnout proportion on November 8, 2016
PRES16R: Number of votes for 2016 Republican presidential candidate
PRES16D: Number of votes for 2016 Democratic presidential candidate
PRES16L: Number of votes for 2016 Libertarian presidential candidate
PRES16G: Number of votes for 2016 Green Party presidential candidate
SEN16R: Number of votes for 2016 Republican senate candidate
SEN16D: Number of votes for 2016 Democratic senate candidate
USH16R: Number of votes for 2016 Republican US congressional candidates
USH16D: Number of votes for 2016 Democratic US congressional candidates
SSEN16R:  Number of votes for 2016 Republican state senate candidates
SSEN16D:  Number of votes for 2016 Democratic state senate candidates
STH16D:  Number of votes for 2016 Republican state house candidates
STH16R:  Number of votes for 2016 Democratic state house candidates
TOTPOP: Total population 
NH_WHITE: White, non-hispanic, population
NH_BLACK: Black, non-hispanic, population
NH_AMIN: American Indian and Alaska Native, non-hispanic, population
NH_ASIAN: Asian, non-hispanic, population
NH_NHPI: Native Hawaiian and Pacific Islander, non-hispanic, population
NH_OTHER: Other race, non-hispanic, population
NH_2MORE: Two or more races, non-hispanic, population
HISP: Hispanic population
H_WHITE: White, hispanic, population
H_BLACK: Black, hispanic, population
H_AMIN: American Indian and Alaska Native, hispanic, population
H_ASIAN: Asian, hispanic, population
H_NHPI: Native Hawaiian and Pacific Islander, hispanic, population
H_OTHER: Other race, hispanic, population
H_2MORE: Two or more races, hispanic, population
VAP: Total voting age population
HVAP: Hispanic voting age population
WVAP: White, non-hispanic, voting age population
BVAP: Black, non-hispanic, voting age population
AMINVAP: American Indian and Alaska Native, non-hispanic, voting age population
ASIANVAP: Asian, non-hispanic, voting age population
NHPIVAP: Native Hawaiian and Pacific Islander, non-hispanic, voting age population
OTHERVAP: Other race, non-hispanic, voting age population
2MOREVAP: Two or more races, non-hispanic, voting age population
CD: US congressional district ID
SEND: State Senate district ID
HDIST: State House district ID

Projection
This shapefile uses a NAD83(Harn)/UTM zone 17 North projection (EPSG:3747)

## Processing Steps
Demographic data were aggregated from the block level using MGGG’s proration software maup. Congressional, house, and senate district IDs were assigned to precincts also using this package.