Banner County is a Republican stronghold. About 11% of voters here vote Democratic and 89% Republican.
About 78% of adults in Banner County typically vote, above the U.S. average of about 62%. Among adults in Banner County, ~9% vote Democratic, ~69% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Banner County compares
Among counties within 50 miles, Banner County is the most Republican-leaning.
Banner County runs about 58 points more Republican than Nebraska as a whole.
Why Banner 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 Banner County, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 74% of households in Banner County are family households, about 7 points above the U.S. average of 67%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Banner County, NE sits in the bottom tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Banner County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Banner 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 68%, about 8 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Scotts Bluff County, NE R+42
- Kimball County, NE R+68
- Morrill County, NE R+64
- Goshen County, WY R+62
- Cheyenne County, NE R+58
- Box Butte County, NE R+55
- Sioux County, NE R+79
- Laramie County, WY R+23
- Logan County, CO R+50
- Platte County, WY R+65
Counties with Similar Populations
- Thomas County, NE R+76
- Yakutat City and Borough, AK Even
- Harding County, NM R+37
- San Juan County, CO D+29
- Slope County, ND R+74
- Hooker County, NE R+79
- Logan County, NE R+83
- Borden County, TX R+93
- Esmeralda County, NV R+61
- Grant County, NE R+84
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.