Sherman County is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 80% of adults in Sherman County typically vote, above the U.S. average of about 62%. Among adults in Sherman County, ~14% vote Democratic, ~66% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Sherman County compares
Among counties within 50 miles, Sherman County leans more Republican than 5 of 10 neighbors.
Sherman County runs about 44 points more Republican than Nebraska as a whole.
Why Sherman 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 Sherman County, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. Sherman County sits in the bottom quarter on density and about 92% of residents are non-Hispanic white, about 20 points above the U.S. average of 72%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Sherman County, NE sits in the bottom quarter 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 Sherman County looks the way it does
Turnout in Sherman County sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Valley County, NE R+67
- Howard County, NE R+64
- Greeley County, NE R+68
- Buffalo County, NE R+36
- Hall County, NE R+26
- Custer County, NE R+68
- Garfield County, NE R+66
- Loup County, NE R+72
- Merrick County, NE R+60
- Kearney County, NE R+59
Counties with Similar Populations
- Rush County, KS R+62
- Lincoln County, KS R+67
- Stanley County, SD R+49
- Jewell County, KS R+73
- Bowman County, ND R+65
- Edwards County, KS R+65
- Brown County, NE R+74
- Nelson County, ND R+43
- Franklin County, NE R+69
- Glascock County, GA R+80
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.