Eugene is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.
About 89% of adults in Eugene typically vote, above the U.S. average of about 62%. Among adults in Eugene, ~13% vote Democratic, ~75% Republican, and ~12% don't vote. The map below shows estimated turnout by block group.
How Eugene compares
Among cities within 25 miles, Eugene leans more Republican than 36 of 55 neighbors.
Eugene runs about 52 points more Republican than Missouri as a whole.
Why Eugene leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Eugene. The lean here lands roughly where demographic data alone would predict.
Population density and Republican lean
Places with low population density tend to lean Republican; Eugene, MO sits below the national average on this measure.
Why turnout in Eugene looks the way it does
Turnout in Eugene sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hickory Hill, MO R+70
- Spring Garden, MO R+73
- Henley, MO R+71
- Marys Home, MO R+73
- Scrivner, MO R+66
- Enon, MO R+68
- Olean, MO R+73
- Lakeside, MO R+70
- Etterville, MO R+72
- St. Thomas, MO R+71
Cities with Similar Populations
- Beemer, NE R+70
- Cochise, AZ R+44
- Meldrum, TX R+50
- Midway, MN R+58
- Kaw City, OK R+67
- Havana, AR R+71
- Soper, OK R+74
- Elma, IA R+48
- Mc Donough, NY R+45
- Sharptown, MD R+37
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Missouri 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.