Adams County leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 77% of adults in Adams County typically vote, above the U.S. average of about 62%. Among adults in Adams County, ~22% vote Democratic, ~55% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How Adams County compares
Among counties within 50 miles, Adams County leans more Republican than 2 of 12 neighbors.
Adams County runs about 21 points more Republican than Nebraska as a whole.
Politics vary noticeably by city within Adams County. The southwest side is the most Republican-leaning (R+74) and the east side is the least Republican-leaning (R+28), a spread of about 46 points.
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.
Adams County votes Republican even though it is densely developed (about 57%, far above the Nebraska average of 17%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Adams County, NE sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Adams County looks the way it does
Turnout in Adams County sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Clay County, NE R+64
- Hall County, NE R+26
- Webster County, NE R+69
- Hamilton County, NE R+61
- Kearney County, NE R+59
- Buffalo County, NE R+36
- Nuckolls County, NE R+60
- Franklin County, NE R+69
- Howard County, NE R+64
- Merrick County, NE R+60
Counties with Similar Populations
- Delta County, CO R+35
- Polk County, MN R+31
- Pontotoc County, MS R+65
- Titus County, TX R+40
- Clarendon County, SC R+8
- Coos County, NH R+24
- Lake County, MT R+21
- Amherst County, VA R+33
- Washington County, ME R+24
- Stone County, MO R+55
Sources and methodology
Precinct-level voting records used to fit the model come from Nebraska 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.