Allen County leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 72% of adults in Allen County typically vote, above the U.S. average of about 62%. Among adults in Allen County, ~25% vote Democratic, ~47% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Allen County compares
Among counties within 50 miles, Allen County leans more Republican than 1 of 15 neighbors.
Allen County runs about 21 points more Republican than Ohio as a whole.
Politics vary noticeably by city within Allen County. The south side runs the most Democratic (D+3) and the northwest side runs the most Republican (R+57), a spread of about 60 points.
Why Allen 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 Allen County, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 82% of residents in Allen County drive to work alone, about 8 points above the U.S. average of 74%.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Allen County, OH sits above the national average on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Allen County looks the way it does
Turnout in Allen 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.
Nearby Counties
- Auglaize County, OH R+59
- Putnam County, OH R+66
- Hardin County, OH R+50
- Van Wert County, OH R+56
- Mercer County, OH R+65
- Shelby County, OH R+58
- Logan County, OH R+51
- Hancock County, OH R+32
- Paulding County, OH R+57
- Defiance County, OH R+43
Counties with Similar Populations
- Nevada County, CA D+11
- Columbiana County, OH R+45
- Whitfield County, GA R+38
- Highlands County, FL R+33
- Daviess County, KY R+31
- Etowah County, AL R+49
- Maury County, TN R+39
- Limestone County, AL R+45
- Wicomico County, MD D+6
- Craven County, NC R+15
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.