Alaska precinct shapefile with 2014, 2016, and 2018 election results. Please note that this file has multiple years of election results on a single precinct shapefile. The RDH has not confirmed whether the precincts on this file represent the geographies that were used for every year of election results on this file.

## RDH Date retrieval
08/12/2020

## Sources
The precinct shapefile and election results were downloaded from the Alaska Division of Elections website. Demographic data was downloaded from the 2010 Decennial Census at the census block level from IPUMS NHGIS.

## Fields
ID: Unique identifier
AREA: Area of precinct
DISTRICT: Precinct code
NAME: Precinct name and code
POPULATION: Total population in precinct
USH14D: Number of votes for 2014 Democratic house candidate
USH14R: Number of votes for 2014 Republican house candidate
USH14L: Number of votes for 2014 Libertarian house candidate
PRES16D: Number of votes for 2016 Democratic presidential candidate
PRES16R: Number of votes for 2016 Republican presidential candidate
PRES16L: Number of votes for 2016 Libertarian presidential candidate
PRES16G: Number of votes for 2016 Green Party presidential candidate
PRES16C: Number of votes for 2016 Constitution Party presidential candidate
SEN16D: Number of votes for 2016 Democratic senate candidate
SEN16R: Number of votes for 2016 Republican senate candidate
SEN16L: Number of votes for 2016 Libertarian senate candidate
USH16D: Number of votes for 2016 Democratic house candidate
USH16R: Number of votes for 2016 Republican house candidate
USH16L: Number of votes for 2016 Libertarian house candidate
GOV18D: Number of votes for 2018 Democratic gubernatorial candidate
GOV18R: Number of votes for 2018 Republican gubernatorial candidate
GOV18L: Number of votes for 2018 Libertarian gubernatorial candidate
USH18D: Number of votes for 2018 Democratic house candidate
USH18R: Number of votes for 2018 Republican house candidate
TOTPOP: Total population
WHITE: White population
BLACK: Black population
AMIN: American Indian and Alaska Native population
ASIAN: Asian population
NHPI: Native Hawaiian and Pacific Islander population
2MORE: Two or more races population
VAP: Total voting age population
WVAP: White voting age population
BVAP: Black voting age population
AMINVAP: American Indian and Alaska Native voting age population
ASIANVAP: Asian voting age population
NHPIVAP: Native Hawaiian and Pacific Islander voting age population
OTHVAP: Other race voting age population
2MOREVAP: Two or more voting age population
HDIST: AK house district

Projection
This shapefile uses a NAD83/Alaska Albers projection or EPSG: 3338.

## Processing Steps
Election data from the Alaska Division of Elections was cleaned and converted to a CSV by MGGG staff so it could be joined to the precinct shapefile. Demographic data was aggregated from the block level to the precinct level using MGGG’s proration and roundoff tools. Roundoff was used to assign Alaska house districts to precincts.

## Additional Notes
Rating from MGGG: We give this shapefile an A rating. All data was obtained from the state government and was processed by MGGG staff.