South Addition leans heavily Democratic by roughly 40 points: about 70% of voters vote Democratic and 30% 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 63% of adults in South Addition typically vote, near the U.S. average of about 62%. Among adults in South Addition, ~44% vote Democratic, ~19% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How South Addition compares
Among neighborhoods within 5 miles, South Addition leans more Democratic than 13 of 14 neighbors.
South Addition runs about 54 points more Democratic than Alaska as a whole. Alaska leans Republican overall, while South Addition is one of the few Democratic-leaning pockets.
Why South Addition leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for South Addition, not a ranked or complete list of what matters most.
South Addition votes against the grain of Alaska. Alaska leans Republican overall, while South Addition runs about 54 points more Democratic. High college attainment predicts Democratic voting, and South Addition sits in the top quarter (about 57%, above 78% of neighborhoods).
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; South Addition, Anchorage, AK sits in the top 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 South Addition looks the way it does
Areas with high high-school completion turn out at higher rates. About 99% of adults in South Addition have completed high school, about 10 points above the Alaska average of 89%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- North Star, Anchorage, AK D+32
- Fairview, Anchorage, AK D+32
- Spenard, Anchorage, AK D+29
- Midtown, Anchorage, AK D+42
- Rogers Park, Anchorage, AK D+29
- Turnagain, Anchorage, AK D+30
- Airport Heights, Anchorage, AK D+36
- Mountain View, Anchorage, AK D+27
- Campbell Park, Anchorage, AK D+31
- Russian Jack Park, Anchorage, AK D+23
Neighborhoods with Similar Populations
- Royal Lakes, Jacksonville, FL D+13
- Csus, Sacramento, CA D+55
- Southeast Springfield, Springfield, MO Even
- Rolling Hills, Jacksonville, FL R+20
- Friendly Acres, Redwood City, CA D+47
- Grayson Hill, Tuckahoe, VA D+20
- Fairground, Des Moines, IA D+19
- Linwood, Milwaukie, OR D+25
- Western Michigan University-KRPH, Kalamazoo, MI D+51
- Fulton, Montrose Heights, VA D+77
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.