North Slope Borough leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% 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 North Slope Borough typically vote, near the U.S. average of about 62%. Among adults in North Slope Borough, ~32% vote Democratic, ~25% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How North Slope Borough compares
North Slope Borough runs about 25 points more Democratic than Alaska as a whole. Alaska leans Republican overall, while North Slope Borough is one of the few Democratic-leaning pockets.
Politics vary noticeably by city within North Slope Borough. The north side runs the most Democratic (D+25) and the east side runs the most Republican (R+7), a spread of about 32 points.
Why North Slope Borough leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for North Slope Borough, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 48% of adults in North Slope Borough have never been married, well above similar-sized counties (around 26%). North Slope Borough runs against the grain of Alaska, a Democratic-leaning pocket in a Republican-leaning state.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; North Slope Borough, AK sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in North Slope Borough looks the way it does
Renters vote less often than owners. About 51% of households in North Slope Borough rent, about 26 points above the U.S. average of 25%. Limited routine healthcare access lines up with lower turnout, and North Slope Borough sits in the bottom quarter on routine-care measures. High food insecurity lines up with lower turnout, and about 23% of adults in North Slope Borough report food insecurity, above 84% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Northwest Arctic Borough, AK D+17
- Yukon-Koyukuk Census Area, AK D+17
- Fairbanks North Star Borough, AK R+9
- Denali Borough, AK R+37
- Nome Census Area, AK D+23
- Southeast Fairbanks Census Area, AK R+39
- Matanuska-Susitna Borough, AK R+33
- Anchorage Municipality, AK D+20
- Bethel Census Area, AK D+18
- Kenai Peninsula Borough, AK R+27
Counties with Similar Populations
- DeKalb County, MO R+57
- Lake County, SD R+38
- Washington County, NC D+7
- Candler County, GA R+40
- Grant County, WV R+74
- McIntosh County, GA R+24
- Wayne County, MO R+68
- Clay County, NC R+46
- Green County, KY R+68
- Noble County, OK R+54
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.