Butler County is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 67% of adults in Butler County typically vote, near the U.S. average of about 62%. Among adults in Butler County, ~16% vote Democratic, ~51% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Butler County compares
Among counties within 50 miles, Butler County leans more Republican than 3 of 12 neighbors.
Butler County runs about 34 points more Republican than Missouri as a whole.
Politics vary noticeably by city within Butler County. The southwest side is the most Republican-leaning (R+72) and the north side is the least Republican-leaning (R+40), a spread of about 33 points.
Why Butler 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 Butler County, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 16% of adults in Butler County hold a bachelor's degree, about 6 points below the Missouri average of 22%.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Butler County, MO sits in the bottom quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Butler County looks the way it does
Turnout in Butler County sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Ripley County, MO R+70
- Wayne County, MO R+68
- Stoddard County, MO R+62
- Clay County, AR R+62
- Carter County, MO R+71
- Dunklin County, MO R+50
- New Madrid County, MO R+46
- Randolph County, AR R+63
- Bollinger County, MO R+70
- Greene County, AR R+58
Counties with Similar Populations
- Okanogan County, WA R+16
- Nez Perce County, ID R+35
- Pierce County, WI R+19
- Crawford County, OH R+51
- Clinton County, OH R+53
- Fayette County, TN R+33
- Sweetwater County, WY R+53
- Summit County, UT D+10
- Marinette County, WI R+34
- Ohio County, WV R+20
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Sources and methodology
Precinct-level voting records used to fit the model come from Missouri 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.