51232 is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 81% of adults in 51232 typically vote, above the U.S. average of about 62%. Among adults in 51232, ~13% vote Democratic, ~68% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How 51232 compares
Among zip codes within 15 miles, 51232 leans more Republican than 5 of 9 neighbors.
51232 runs about 54 points more Republican than Iowa as a whole.
Why 51232 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 51232, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 12% of adults in 51232 hold a bachelor's degree, about 12 points below the Iowa average of 24%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 51232, IA sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 51232 looks the way it does
Homeowners vote more often than renters. About 92% of households in 51232 own their home, about 10 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.