Marion County leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About 77% of adults in Marion County typically vote, above the U.S. average of about 62%. Among adults in Marion County, ~28% vote Democratic, ~49% Republican, and ~23% 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 2 of 7 neighbors.
Marion County runs about 15 points more Republican than Florida as a whole.
Politics vary noticeably by city within Marion County. The northeast side is the most Republican-leaning (R+55) and the north side is the least Republican-leaning (R+17), a spread of about 37 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.
Marion County votes Republican even though it is densely developed (about 62%, modestly above the Florida average of 57%). Here an older population outweighs the Democratic lean that density usually predicts.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Marion County, FL sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Marion County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Marion County is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 55%, below 71% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Sumter County, FL R+31
- Citrus County, FL R+43
- Levy County, FL R+56
- Lake County, FL R+25
- Alachua County, FL D+22
- Putnam County, FL R+42
- Hernando County, FL R+33
- Bradford County, FL R+50
- Gilchrist County, FL R+68
- Seminole County, FL R+5
Counties with Similar Populations
- Collier County, FL R+20
- Stark County, OH R+18
- Lehigh County, PA D+6
- Washtenaw County, MI D+44
- Brazoria County, TX R+17
- Bell County, TX R+3
- Forsyth County, NC D+18
- Lane County, OR D+21
- Lake County, FL R+25
- Orleans Parish, LA D+63
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Sources and methodology
Precinct-level voting records used to fit the model come from Florida Division of 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.