St. Bernard leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 73% of adults in St. Bernard typically vote, above the U.S. average of about 62%. Among adults in St. Bernard, ~39% vote Democratic, ~34% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How St. Bernard compares
Among cities within 25 miles, St. Bernard leans more Democratic than 120 of 144 neighbors.
St. Bernard runs about 18 points more Democratic than Ohio as a whole. Ohio leans Republican overall, while St. Bernard is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within St. Bernard. The southwest side is the most Democratic-leaning (D+12) and the northeast side is the least Democratic-leaning (Even), a spread of about 12 points.
Why St. Bernard 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 St. Bernard, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in St. Bernard live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and St. Bernard sits in the top quarter (about 33%, above 79% of cities). A high never-married share predicts Democratic voting, and about 31% of adults in St. Bernard have never been married, above 78% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; St. Bernard, OH sits in the top tenth 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 St. Bernard looks the way it does
Areas with strong routine healthcare access turn out at higher rates. St. Bernard 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 64%, above 64% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Cincinnati, OH R+11
- Elmwood Place, OH D+7
- Norwood, OH D+21
- Golf Manor, OH D+65
- Finneytown, OH D+39
- Dayton, KY R+12
- Arlington Heights, OH Even
- Amberley, OH D+20
- Bellevue, KY Even
- Wyoming, OH D+34
Cities with Similar Populations
- Madison, ME R+24
- Marthasville, MO R+54
- Tuscola, TX R+76
- Canon, GA R+64
- Cass City, MI R+38
- Fort Shawnee, OH R+46
- Mooringsport, LA R+65
- Vanceburg, KY R+65
- Montauk, NY D+7
- Meadow Vista, CA R+18
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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.