South Collinwood, Cleveland, OH Political Map | Democrat & Republican Areas in South Collinwood

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

South Collinwood is a Democratic stronghold. About 91% of voters here vote Democratic and 9% Republican.

 

About 50% of adults in South Collinwood typically vote, below the U.S. average of about 62%. Among adults in South Collinwood, ~46% vote Democratic, ~4% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.

How South Collinwood compares

Among neighborhoods within 5 miles, South Collinwood leans more Democratic than 3 of 7 neighbors.

South Collinwood runs about 94 points more Democratic than Ohio as a whole. Ohio leans Republican overall, while South Collinwood is one of the few Democratic-leaning pockets.

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

Dense areas vote Democratic. More than 99% of residents in South Collinwood live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 55% of adults in South Collinwood have never been married, above 88% of neighborhoods. South Collinwood runs against the grain of Ohio, a Democratic-leaning pocket in a Republican-leaning state.

High-school completion, developed land, and voter turnout

Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as South Collinwood, Cleveland, OH does.

Why turnout in South Collinwood looks the way it does

Areas with high food insecurity turn out at lower rates. About 44% of adults in South Collinwood report food insecurity, about 28 points above the U.S. average of 16%. Renters vote less often than owners, and about 62% of households in South Collinwood rent, about 37 points above the U.S. average of 25%. High-crime urban areas turn out at lower rates, and South Collinwood sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.

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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.