Greene County leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 68% of adults in Greene County typically vote, above the U.S. average of about 62%. Among adults in Greene County, ~28% vote Democratic, ~40% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How Greene County compares
Among counties within 50 miles, Greene County is the least Republican-leaning.
Politically, Greene County sits close to the rest of Missouri.
Politics vary noticeably by city within Greene County. The northwest side is the most Republican-leaning (R+53) and the east side is the least Republican-leaning (R+4), a spread of about 49 points.
Why Greene 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 Greene County, not a ranked or complete list of what matters most.
Greene County votes Republican even though it is densely developed (about 72%, far above the Missouri average of 22%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Greene County, MO sits in the top quarter nationally on this measure.
Why turnout in Greene County looks the way it does
Areas with high high-school completion turn out at higher rates. About 94% of adults in Greene County have completed high school, above 82% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Christian County, MO R+51
- Webster County, MO R+64
- Polk County, MO R+61
- Lawrence County, MO R+60
- Dade County, MO R+67
- Stone County, MO R+55
- Dallas County, MO R+66
- Taney County, MO R+50
- Douglas County, MO R+70
- Barry County, MO R+62
Counties with Similar Populations
- Clayton County, GA D+68
- St. Louis City, MO D+65
- Ottawa County, MI R+16
- Dutchess County, NY D+8
- Gloucester County, NJ R+2
- Cleveland County, OK R+14
- Chatham County, GA D+26
- Thurston County, WA D+19
- Cumberland County, ME D+29
- Lexington County, SC R+30
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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.