Auburn is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 77% of adults in Auburn typically vote, above the U.S. average of about 62%. Among adults in Auburn, ~17% vote Democratic, ~60% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How Auburn compares
Among cities within 25 miles, Auburn leans more Republican than 32 of 44 neighbors.
Auburn runs about 44 points more Republican than Iowa as a whole.
Why Auburn 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 Auburn, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 86% of residents in Auburn drive to work alone, about 12 points above the U.S. average of 74%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Auburn, IA sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Auburn looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Auburn 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 68%, about 8 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Ulmer, IA R+57
- Yetter, IA R+57
- Mount Carmel, IA R+57
- Lake City, IA R+47
- Breda, IA R+60
- Carnarvon, IA R+63
- Lidderdale, IA R+57
- Lake View, IA R+50
- Lanesboro, IA R+57
Cities with Similar Populations
- Fawil, TX R+66
- Belle River, LA R+78
- Adamsville, TX R+72
- Soul City, NC D+13
- Idlewood, IL R+46
- Boggs, WV R+72
- Winn, ME R+38
- Sato, SC D+48
- Patmos, AR R+70
- Denmark, GA R+61
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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.