52746 leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 78% of adults in 52746 typically vote, above the U.S. average of about 62%. Among adults in 52746, ~24% vote Democratic, ~54% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 52746 compares
Among zip codes within 15 miles, 52746 leans more Republican than 13 of 20 neighbors.
52746 runs about 24 points more Republican than Iowa as a whole.
Politics vary noticeably by block within 52746. The west side is the most Republican-leaning (R+43) and the northeast side is the least Republican-leaning (R+31), a spread of about 12 points.
Why 52746 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 52746, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 77% of households in 52746 are family households, about 11 points above the U.S. average of 67%.
Population density and Republican lean
Places with low population density tend to lean Republican; 52746, IA sits below the national average on this measure.
Why turnout in 52746 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 52746 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 72%, about 12 points above the U.S. average of 60%. 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.