Kodiak Island Borough leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican. These figures are model estimates: Alaska did not have precinct-level voting records available for training, so the numbers above come from demographic and health features rather than local ground truth.
About 64% of adults in Kodiak Island Borough typically vote, near the U.S. average of about 62%. Among adults in Kodiak Island Borough, ~27% vote Democratic, ~37% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Kodiak Island Borough compares
Politically, Kodiak Island Borough sits close to the rest of Alaska.
Politics vary noticeably by city within Kodiak Island Borough. The northwest side runs the most Democratic (D+17) and the southeast side runs the most Republican (R+25), a spread of about 42 points.
Why Kodiak Island Borough leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Kodiak Island Borough. None of them point strongly toward either party.
Non-English at home and voter turnout
Places with a low non-English-at-home share tend to turn out at a higher rate; Kodiak Island Borough, AK sits in the bottom tenth nationally on this measure.
Why turnout in Kodiak Island Borough looks the way it does
Areas with high high-school completion turn out at higher rates. About 94% of adults in Kodiak Island Borough have completed high school, above 82% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Lake and Peninsula Borough, AK D+13
- Bristol Bay Borough, AK Even
- Kenai Peninsula Borough, AK R+27
- Dillingham Census Area, AK D+19
- Anchorage Municipality, AK D+20
- Aleutians West Census Area, AK Even
- Matanuska-Susitna Borough, AK R+33
- Bethel Census Area, AK D+18
- Denali Borough, AK R+37
- Yakutat City and Borough, AK Even
Counties with Similar Populations
- Mason County, IL R+46
- Lewis County, KY R+66
- Big Horn County, MT Even
- Cass County, IA R+41
- Powell County, KY R+60
- Lamb County, TX R+57
- Cass County, IL R+31
- Shoshone County, ID R+43
- Webster County, KY R+58
- Crenshaw County, AL R+54
Sources and methodology
Precinct-level voting records used to fit the model come from Alaska Division of Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. AK did not have precinct-level voting records available for training, so the figures here come from extrapolation across demographic, health, and land-use features rather than local ground truth. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.