Carthage leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 54% of adults in Carthage typically vote, below the U.S. average of about 62%. Among adults in Carthage, ~36% vote Democratic, ~18% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How Carthage compares
Among neighborhoods within 5 miles, Carthage is the least Democratic-leaning.
Carthage runs about 45 points more Democratic than Ohio as a whole. Ohio leans Republican overall, while Carthage is one of the few Democratic-leaning pockets.
Why Carthage leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Carthage, not a ranked or complete list of what matters most.
Carthage votes against the grain of Ohio. Ohio leans Republican overall, while Carthage runs about 45 points more Democratic.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Carthage, Cincinnati, OH sits in the bottom quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Carthage looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Carthage is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 47%, about 14 points below the Ohio average of 61%. High food insecurity lines up with lower turnout, and about 29% of adults in Carthage report food insecurity, above 82% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Roselawn, Cincinnati, OH D+78
- Hartwell, Cincinnati, OH D+40
- Bond Hill, Cincinnati, OH D+72
- Winton Hills, Cincinnati, OH D+77
- Pleasant Ridge, Cincinnati, OH D+55
- North Avondale, Cincinnati, OH D+81
- College Hill, Cincinnati, OH D+61
- Avondale, Cincinnati, OH D+83
- Northside, Cincinnati, OH D+68
- Evanston, Cincinnati, OH D+63
Neighborhoods with Similar Populations
- Hunterwood, Houston, TX D+28
- Holiday Park, Palm Bay, FL R+9
- London Historic District, London, OH R+31
- Nob Hill, Albuquerque, NM D+72
- Indian Village, Lincoln, NE D+32
- Center Street Historic District, Ashland, OH R+23
- Park Farms, Kansas City, MO D+51
- East Community Team North, Kansas City, MO D+56
- Whittier, Sioux Falls, SD D+10
- East Columbus, Columbus, IN R+21
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.