Monroe leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 87% of adults in Monroe typically vote, above the U.S. average of about 62%. Among adults in Monroe, ~29% vote Democratic, ~58% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How Monroe compares
Among cities within 25 miles, Monroe leans more Republican than 61 of 126 neighbors.
Monroe runs about 23 points more Republican than Ohio as a whole.
Politics vary noticeably by neighborhood within Monroe. The northwest side is the most Republican-leaning (R+42) and the southeast side is the least Republican-leaning (R+24), a spread of about 18 points.
Why Monroe 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 Monroe, not a ranked or complete list of what matters most.
Monroe votes Republican even though it is densely developed (about 62%, well above the Ohio average of 34%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 77% of households in Monroe are family households, above 83% of cities.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Monroe, 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 Monroe looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Monroe 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 68%, about 8 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Middletown, OH R+23
- Otterbein, OH R+4
- Trenton, OH R+52
- West Chester, OH R+9
- Mason, OH R+9
- Hageman, OH R+28
- Overpeck, OH R+61
- Franklin, OH R+44
- Red Lion, OH R+56
- New Miami, OH R+46
Cities with Similar Populations
- Crowley, LA R+29
- East Longmeadow, MA Even
- Idylwood, VA D+41
- Mount Sterling, KY R+45
- West Haven, UT R+39
- Livingston, CA D+3
- Greenacres, WA R+22
- El Dorado, KS R+33
- Monument, CO R+25
- Newport, KY D+6
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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.