Millville is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 86% of adults in Millville typically vote, above the U.S. average of about 62%. Among adults in Millville, ~17% vote Democratic, ~69% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.
How Millville compares
Among cities within 25 miles, Millville leans more Republican than 93 of 125 neighbors.
Millville runs about 50 points more Republican than Ohio as a whole.
Politics vary noticeably by neighborhood within Millville. The southeast side is the most Republican-leaning (R+64) and the northwest side is the least Republican-leaning (R+54), a spread of about 11 points.
Why Millville leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Millville, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 88% of residents in Millville drive to work alone, about 14 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 81% of households in Millville are family households, above 91% of cities.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Millville, OH sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Millville looks the way it does
Homeowners vote more often than renters. About 95% of households in Millville own their home, about 18 points above the Ohio average of 77%. High high-school completion lines up with higher turnout, and about 98% of adults in Millville have completed high school, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Fairplay, OH R+64
- Ross, OH R+61
- Shandon, OH R+62
- Dunlap, OH R+52
- Hamilton, OH R+25
- Reily, OH R+53
- New Miami, OH R+46
- Okeana, OH R+62
- Fairfield, OH R+10
- Overpeck, OH R+61
Cities with Similar Populations
- Luxemburg, IA R+46
- Cook, NE R+52
- Winthrop, AR R+73
- Villa Cavazos, TX R+11
- Saginaw, MO R+58
- Keethtown, MO R+74
- Cedar Hills Estates, AL R+72
- Alvord, IA R+77
- Harrellsville, NC R+11
- Buda, IL R+45
Sources and methodology
Precinct-level voting records used to fit the model come from Ohio 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.