South Euclid, OH Political Map | Democrat & Republican Areas in South Euclid

By the BestNeighborhood data science team. Last updated May 2026.

South Euclid is a Democratic stronghold. About 82% of voters here vote Democratic and 18% Republican.

 

About 76% of adults in South Euclid typically vote, above the U.S. average of about 62%. Among adults in South Euclid, ~62% vote Democratic, ~14% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.

How South Euclid compares

Among cities within 25 miles, South Euclid leans more Democratic than 99 of 107 neighbors.

South Euclid runs about 76 points more Democratic than Ohio as a whole. Ohio leans Republican overall, while South Euclid is one of the few Democratic-leaning pockets.

Politics vary noticeably by neighborhood within South Euclid. The northwest side is the most Democratic-leaning (D+81) and the southeast side is the least Democratic-leaning (D+46), a spread of about 35 points.

Why South Euclid 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 South Euclid, not a ranked or complete list of what matters most.

Dense areas vote Democratic. More than 99% of residents in South Euclid live in densely developed areas, about 63 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and South Euclid sits in the top quarter (about 43%, above 89% of cities). South Euclid runs against the grain of Ohio, a Democratic-leaning pocket in a Republican-leaning state.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; South Euclid, 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 South Euclid looks the way it does

Areas with strong routine healthcare access turn out at higher rates. South Euclid 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 67%, about 7 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in South Euclid have completed high school, above 80% of cities. Learn more about the findings and methodology on the political spectrum map.

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.