Ossian leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 84% of adults in Ossian typically vote, above the U.S. average of about 62%. Among adults in Ossian, ~26% vote Democratic, ~58% Republican, and ~16% don't vote. The map below shows estimated turnout by block group.
How Ossian compares
Among cities within 25 miles, Ossian leans more Republican than 28 of 49 neighbors.
Ossian runs about 25 points more Republican than Iowa as a whole.
Why Ossian 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 Ossian, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 87% of residents in Ossian drive to work alone, about 13 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 77% of households in Ossian are family households, above 82% of cities.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Ossian, IA sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Ossian looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Ossian 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 70%, about 10 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Festina, IA R+35
- Castalia, IA R+37
- Nordness, IA R+37
- Calmar, IA R+34
- Fort Atkinson, IA R+37
- Conover, IA R+36
- St. Lucas, IA R+44
- Postville, IA R+33
- Spillville, IA R+34
- Clermont, IA R+36
Cities with Similar Populations
- Oil City, LA R+43
- Lincoln, MI R+39
- Joliet, MT R+57
- Ama, LA R+9
- Hiram, ME R+29
- Holland, AR R+71
- Phillipsburg, OH R+55
- Brandon, MN R+47
- Stites, ID R+69
- Bee Spring, KY R+68
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Iowa 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.