Marion County leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 70% of adults in Marion County typically vote, above the U.S. average of about 62%. Among adults in Marion County, ~24% vote Democratic, ~46% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Marion County compares
Among counties within 50 miles, Marion County leans more Republican than 8 of 13 neighbors.
Marion County runs about 10 points more Republican than Mississippi as a whole.
Politics vary noticeably by city within Marion County. The south side runs the most Democratic (D+4) and the southwest side runs the most Republican (R+61), a spread of about 65 points.
Why Marion 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 Marion County, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 84% of residents in Marion County drive to work alone, about 10 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 69% of households in Marion County are family households, above 77% of counties.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Marion County, MS sits below the national average on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Marion County looks the way it does
Turnout in Marion County sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Walthall County, MS R+26
- Jefferson Davis County, MS D+6
- Lamar County, MS R+40
- Lawrence County, MS R+30
- Washington Parish, LA R+36
- Covington County, MS R+32
- Forrest County, MS R+6
- Pike County, MS D+8
- Lincoln County, MS R+37
- Pearl River County, MS R+60
Counties with Similar Populations
- Fayette County, TX R+55
- Texas County, MO R+67
- Scott County, IN R+53
- Randolph County, IN R+55
- Jefferson County, OR R+26
- Waushara County, WI R+33
- George County, MS R+78
- Uvalde County, TX R+23
- Abbeville County, SC R+39
- Burke County, GA R+7
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Sources and methodology
Precinct-level voting records used to fit the model come from Mississippi 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.