52163 leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 82% of adults in 52163 typically vote, above the U.S. average of about 62%. Among adults in 52163, ~22% vote Democratic, ~60% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How 52163 compares
Among zip codes within 15 miles, 52163 is the most Republican-leaning.
52163 runs about 32 points more Republican than Iowa as a whole.
Why 52163 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 52163, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 74% of households in 52163 are family households, about 7 points above the U.S. average of 67%. Rural areas vote Republican, and 52163 sits in the bottom quarter on density (about 6%, below 75% of zip codes).
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as 52163, IA does.
Why turnout in 52163 looks the way it does
Areas with high high-school completion turn out at higher rates. More than 99% of adults in 52163 have completed high school, about 5 points above the Iowa average of 94%. 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.