Arnold leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About more than 99% of adults in Arnold typically vote, above the U.S. average of about 62%. Among adults in Arnold, ~34% vote Democratic, ~68% Republican, and ~-2% don't vote. The map below shows estimated turnout by block group.
How Arnold compares
Among cities within 25 miles, Arnold leans more Republican than 33 of 87 neighbors.
Arnold runs about 23 points more Republican than Ohio as a whole.
Politics vary noticeably by neighborhood within Arnold. The west side is the most Republican-leaning (R+39) and the east side is the least Republican-leaning (R+16), a spread of about 24 points.
Why Arnold 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 Arnold, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 87% of households in Arnold are family households, about 21 points above the U.S. average of 67%.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Arnold, OH sits in the top tenth nationally on this measure.
Why turnout in Arnold looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Arnold 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 76%, about 16 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 97% of households in Arnold own their home, about 22 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 98% of adults in Arnold have completed high school, above 96% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Plain City, OH R+24
- New California, OH R+14
- Jerome, OH R+46
- Unionville Center, OH R+47
- Watkins, OH R+45
- Shawnee Hills, OH R+5
- Amlin, OH Even
- Dublin, OH D+15
- New Dover, OH R+46
- Marysville, OH R+26
Cities with Similar Populations
- Hope, NM R+74
- Linwood, NY R+34
- Saginaw, WA R+19
- Rankin, IL R+59
- Hickory Withe, TN R+46
- Ofelia, AL R+64
- New Hope, TX R+48
- New Munster, WI R+34
- Manzanita, OR D+26
- Piney Point, MD R+23
All Local Stats
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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.