99620 leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% 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 99620 typically vote, near the U.S. average of about 62%. Among adults in 99620, ~37% vote Democratic, ~24% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How 99620 compares
99620 runs about 34 points more Democratic than Alaska as a whole. Alaska leans Republican overall, while 99620 is one of the few Democratic-leaning pockets.
Why 99620 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 99620, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 57% of adults in 99620 have never been married, far above similar-sized zip codes (around 26%). 99620 runs against the grain of Alaska, a Democratic-leaning pocket in a Republican-leaning state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 99620, AK sits in the bottom tenth 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 99620 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 99620 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 31%, about 19 points below the Alaska average of 50%. High food insecurity lines up with lower turnout, and about 47% of adults in 99620 report food insecurity, in the top fraction of zip codes. High-crime urban areas turn out at lower rates, and 99620 sits in the top 15% on a violent-crime measure. 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.