Sheridan County is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 67% of adults in Sheridan County typically vote, near the U.S. average of about 62%. Among adults in Sheridan County, ~11% vote Democratic, ~56% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Sheridan County compares
Among counties within 50 miles, Sheridan County is the most Republican-leaning.
Sheridan County runs about 47 points more Republican than Nebraska as a whole.
Politics vary noticeably by city within Sheridan County. The southwest side is the most Republican-leaning (R+79) and the northeast side is the least Republican-leaning (R+62), a spread of about 17 points.
Why Sheridan County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Sheridan County. The lean here lands roughly where demographic data alone would predict.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Sheridan County, NE sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Sheridan County looks the way it does
Turnout in Sheridan 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
- Dawes County, NE R+39
- Box Butte County, NE R+55
- Bennett County, SD R+7
- Grant County, NE R+84
- Fall River County, SD R+52
- Jackson County, SD R+9
- Sioux County, NE R+79
- Morrill County, NE R+64
- Hooker County, NE R+79
- Cherry County, NE R+67
Counties with Similar Populations
- Lincoln County, ID R+63
- Crosby County, TX R+50
- Hamilton County, NY R+26
- Scott County, KS R+67
- Big Stone County, MN R+33
- Garfield County, UT R+63
- Kingsbury County, SD R+50
- Pulaski County, IL R+26
- Wirt County, WV R+65
- Carter County, MO R+71
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.