Mississippi County, MO Political Map | Democrat & Republican Areas in Mississippi County

By the BestNeighborhood data science team. Last updated May 2026.

Mississippi County leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.

 

About 70% of adults in Mississippi County typically vote, above the U.S. average of about 62%. Among adults in Mississippi County, ~23% vote Democratic, ~47% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.

How Mississippi County compares

Among counties within 50 miles, Mississippi County leans more Republican than 4 of 17 neighbors.

Mississippi County runs about 16 points more Republican than Missouri as a whole.

Politics vary noticeably by city within Mississippi County. The north side runs the most Democratic (D+7) and the southeast side runs the most Republican (R+72), a spread of about 79 points.

Why Mississippi 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 Mississippi County, not a ranked or complete list of what matters most.

Areas with low college attainment vote Republican. About 14% of adults in Mississippi County hold a bachelor's degree, about 8 points below the Missouri average of 22%. Car-dependent areas vote Republican, and about 82% of residents in Mississippi County drive to work alone, above 85% of counties.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Mississippi County, MO sits above the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Mississippi County looks the way it does

Turnout in Mississippi County sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.

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.