Adams County is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 70% of adults in Adams County typically vote, above the U.S. average of about 62%. Among adults in Adams County, ~13% vote Democratic, ~57% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Adams County compares
Among counties within 50 miles, Adams County is the least Republican-leaning.
Adams County runs about 25 points more Republican than North Dakota as a whole.
Why Adams County 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 Adams County, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in Adams County live in densely developed areas, about 7 points below the North Dakota average of 12%.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Adams County, ND sits in the bottom tenth nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Adams County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Adams County is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 63%, above 65% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Perkins County, SD R+68
- Hettinger County, ND R+69
- Bowman County, ND R+65
- Slope County, ND R+74
- Grant County, ND R+71
- Harding County, SD R+88
- Stark County, ND R+53
- Billings County, ND R+67
- Fallon County, MT R+71
- Corson County, SD D+38
Counties with Similar Populations
- Burke County, ND R+76
- Divide County, ND R+59
- Robertson County, KY R+61
- Greeley County, NE R+68
- Culberson County, TX R+18
- Highland County, VA R+46
- Quitman County, GA R+17
- Towner County, ND R+45
- Wichita County, KS R+59
- Wrangell City and Borough, AK R+8
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Sources and methodology
Precinct-level voting records used to fit the model come from North Dakota Secretary of State, 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. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.