99638 is a true toss-up. About 49% of voters here vote Democratic and 51% 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 57% of adults in 99638 typically vote, near the U.S. average of about 62%. Among adults in 99638, ~28% vote Democratic, ~29% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How 99638 compares
99638 runs about 10 points more Democratic than Alaska as a whole.
Why 99638 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 99638. None of them point strongly toward either party.
Population density, never-married share, and Republican lean
Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as 99638, AK does.
Why turnout in 99638 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 99638 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 46%, about 14 points below the U.S. average of 60%. Renters vote less often than owners, and about 43% of households in 99638 rent, about 18 points above the U.S. average of 25%. High-crime urban areas turn out at lower rates, and 99638 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.