Johnstown leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 82% of adults in Johnstown typically vote, above the U.S. average of about 62%. Among adults in Johnstown, ~24% vote Democratic, ~58% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How Johnstown compares
Among cities within 25 miles, Johnstown leans more Republican than 42 of 87 neighbors.
Johnstown runs about 30 points more Republican than Ohio as a whole.
Politics vary noticeably by neighborhood within Johnstown. The northeast side is the most Republican-leaning (R+51) and the west side is the least Republican-leaning (R+37), a spread of about 14 points.
Why Johnstown 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 Johnstown, not a ranked or complete list of what matters most.
Johnstown votes Republican even though it is densely developed (about 28%, modestly below 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 Johnstown are family households, above 81% of cities.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Johnstown, 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 Johnstown looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Johnstown 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 69%, about 9 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Johnstown have completed high school, above 82% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Concord, OH R+43
- Croton, OH R+52
- Alexandria, OH R+39
- Jersey, OH R+39
- Hartford, OH R+53
- Center Village, OH R+35
- Homer, OH R+32
- South Condit, OH R+45
- High Water, OH R+54
- Harlem, OH R+25
Cities with Similar Populations
- Freeport, ME D+28
- Sans Souci, SC Even
- Hanson, MA R+9
- Milton, WV R+50
- Rushville, IN R+52
- Central Valley, NY R+11
- North Madison, OH R+24
- Montvale, NJ R+8
- Adel, IA R+33
- Dewey, AZ R+33
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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.