52159 leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 86% of adults in 52159 typically vote, above the U.S. average of about 62%. Among adults in 52159, ~27% vote Democratic, ~59% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.
How 52159 compares
Among zip codes within 15 miles, 52159 leans more Republican than 8 of 13 neighbors.
52159 runs about 23 points more Republican than Iowa as a whole.
Why 52159 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 52159, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 52159, about 96% of residents are non-Hispanic white, about 23 points above the U.S. average of 72%; about 12% of adults hold a bachelor's degree, about 12 points below the Iowa average of 24%.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 52159, IA sits below the national average on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 52159 looks the way it does
Turnout in 52159 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.