Kenai Peninsula Borough leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% 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 73% of adults in Kenai Peninsula Borough typically vote, above the U.S. average of about 62%. Among adults in Kenai Peninsula Borough, ~27% vote Democratic, ~46% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Kenai Peninsula Borough compares
Kenai Peninsula Borough runs about 14 points more Republican than Alaska as a whole.
Politics vary noticeably by city within Kenai Peninsula Borough. The northeast side is the most Republican-leaning (R+38) and the southwest side is the least Republican-leaning (R+12), a spread of about 26 points.
Why Kenai Peninsula Borough leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Kenai Peninsula Borough. None of them point strongly toward either party.
Population density and Republican lean
Places with low population density tend to lean Republican; Kenai Peninsula Borough, AK sits below the national average on this measure.
Why turnout in Kenai Peninsula Borough looks the way it does
Areas with high high-school completion turn out at higher rates. About 95% of adults in Kenai Peninsula Borough have completed high school, about 6 points above the Alaska average of 89%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Anchorage Municipality, AK D+20
- Matanuska-Susitna Borough, AK R+33
- Kodiak Island Borough, AK R+16
- Lake and Peninsula Borough, AK D+13
- Bristol Bay Borough, AK Even
- Denali Borough, AK R+37
- Dillingham Census Area, AK D+19
- Southeast Fairbanks Census Area, AK R+39
- Yukon-Koyukuk Census Area, AK D+17
- Fairbanks North Star Borough, AK R+9
Counties with Similar Populations
- Autauga County, AL R+41
- Lowndes County, MS Even
- Sandusky County, OH R+33
- Pike County, KY R+63
- Newton County, MO R+54
- Carson City, NV R+11
- Huron County, OH R+44
- Sampson County, NC R+26
- Pickaway County, OH R+41
- Pike County, PA R+21
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.