Aurora leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 83% of adults in Aurora typically vote, above the U.S. average of about 62%. Among adults in Aurora, ~24% vote Democratic, ~59% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Aurora compares
Among cities within 25 miles, Aurora leans more Republican than 26 of 46 neighbors.
Aurora runs about 29 points more Republican than Iowa as a whole.
Why Aurora 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 Aurora, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 75% of households in Aurora are family households, about 8 points above the U.S. average of 67%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Aurora, IA sits above the national average 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 Aurora looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Aurora have completed high school, about 7 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Lamont, IA R+42
- Stanley, IA R+43
- Maryville, IA R+40
- Winthrop, IA R+42
- Hazleton, IA R+44
- Dundee, IA R+45
- Oelwein, IA R+19
- Arlington, IA R+39
- Independence, IA R+27
- Masonville, IA R+43
Cities with Similar Populations
- Roeton, AL R+78
- Virgil, SD R+67
- Lovell, PA R+49
- Nixon, TN R+79
- Curtis, NY R+47
- Cornishville, KY R+62
- St. Charles, SC D+16
- Dairy, OR R+55
- Piedmont, TX R+60
- Swisshome, OR R+19
All Local Stats
Home Services
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.