Lucas County, OH Political Map | Democrat & Republican Areas in Lucas County

Lucas County leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.

 
Lucas County, OH block-group political-lean map
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About 70% of adults in Lucas County typically vote, above the U.S. average of about 62%. Among adults in Lucas County, ~41% vote Democratic, ~29% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.

Lucas County, OH block-group voter-turnout map
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How Lucas County compares

Among counties within 50 miles, Lucas County leans more Democratic than 11 of 12 neighbors.

Lucas County runs about 29 points more Democratic than Ohio as a whole. Ohio leans Republican overall, while Lucas County is one of the few Democratic-leaning pockets.

Politics vary noticeably by city within Lucas County. The east side runs the most Democratic (D+26) and the southwest side runs the most Republican (R+2), a spread of about 28 points.

Why Lucas County leans the way it does

This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Lucas County, not a ranked or complete list of what matters most.

Dense areas vote Democratic. About 87% of residents in Lucas County live in densely developed areas, about 50 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 39% of adults in Lucas County have never been married, above 92% of counties. Lucas County runs against the grain of Ohio, a Democratic-leaning pocket in a Republican-leaning state.

Population density and Democratic lean

Places with high population density tend to lean Democratic; Lucas County, OH sits in the top tenth nationally on this measure.

Why turnout in Lucas County looks the way it does

Turnout in Lucas County sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.