52215 leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 73% of adults in 52215 typically vote, above the U.S. average of about 62%. Among adults in 52215, ~20% vote Democratic, ~54% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How 52215 compares
Among zip codes within 15 miles, 52215 leans more Republican than 9 of 11 neighbors.
52215 runs about 32 points more Republican than Iowa as a whole.
Why 52215 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 52215, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 9% of adults in 52215 hold a bachelor's degree, about 16 points below the Iowa average of 24%. Rural areas vote Republican, and 52215 sits in the bottom quarter on density (about 6%, below 79% of zip codes).
Never-married share, developed land, and voter turnout
Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as 52215, IA does.
Why turnout in 52215 looks the way it does
Homeowners vote more often than renters. About 97% of households in 52215 own their home, about 15 points above the Iowa average of 81%. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.