99557 leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% 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 71% of adults in 99557 typically vote, above the U.S. average of about 62%. Among adults in 99557, ~45% vote Democratic, ~26% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 99557 compares
99557 runs about 42 points more Democratic than Alaska as a whole. Alaska leans Republican overall, while 99557 is one of the few Democratic-leaning pockets.
Why 99557 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 99557, not a ranked or complete list of what matters most.
99557 votes against the grain of Alaska. Alaska leans Republican overall, while 99557 runs about 42 points more Democratic. A high never-married share predicts Democratic voting, and about 57% of adults in 99557 have never been married, above 97% of zip codes.
Population density and Republican lean
Places with low population density tend to lean Republican; 99557, AK sits in the bottom tenth nationally on this measure.
Why turnout in 99557 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 99557 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 38%, about 12 points below the Alaska average of 50%. 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.