99921 leans Republican by roughly 30 points: about 35% of voters vote Democratic and 65% 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 61% of adults in 99921 typically vote, near the U.S. average of about 62%. Among adults in 99921, ~21% vote Democratic, ~40% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How 99921 compares
99921 runs about 17 points more Republican than Alaska as a whole.
Politics vary noticeably by block within 99921. The east side is the most split-leaning (R+28) and the southeast side is the least split-leaning (R+3), a spread of about 26 points.
Why 99921 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 99921. None of them point strongly toward either party.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 99921, AK sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 99921 looks the way it does
Crowded housing lines up with lower turnout. About 4% of homes in 99921 have more than one occupant per room, above 83% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.