Mesopotamia, OH Political Map | Democrat & Republican Areas in Mesopotamia

Mesopotamia is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.

 
Mesopotamia, OH block-group political-lean map
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About 40% of adults in Mesopotamia typically vote, below the U.S. average of about 62%. Among adults in Mesopotamia, ~9% vote Democratic, ~31% Republican, and ~60% don't vote. The map below shows estimated turnout by block group.

Mesopotamia, OH block-group voter-turnout map
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How Mesopotamia compares

Among cities within 25 miles, Mesopotamia leans more Republican than 96 of 103 neighbors.

Mesopotamia runs about 45 points more Republican than Ohio as a whole.

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

Areas with a high white share and below-average college attainment vote Republican. In Mesopotamia, about 98% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 7% of adults hold a bachelor's degree, about 16 points below the Ohio average of 23%. A high family-household share predicts Republican voting, and about 84% of households in Mesopotamia are family households, above 96% of cities.

Walkability and Republican lean

Places with a low walkability score tend to lean Republican; Mesopotamia, OH sits in the bottom 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 Mesopotamia looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Mesopotamia 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 43%, about 18 points below the Ohio average of 61%. High food insecurity lines up with lower turnout, and about 28% of adults in Mesopotamia report food insecurity, above 94% of cities. Low high-school completion lines up with lower turnout, and about 42% of adults in Mesopotamia have completed high school, in the bottom fraction of cities. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

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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.