52219 leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 92% of adults in 52219 typically vote, above the U.S. average of about 62%. Among adults in 52219, ~30% vote Democratic, ~62% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.
How 52219 compares
Among zip codes within 15 miles, 52219 leans more Republican than 6 of 10 neighbors.
52219 runs about 21 points more Republican than Iowa as a whole.
Why 52219 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 52219, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 84% of residents in 52219 drive to work alone, about 10 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 75% of households in 52219 are family households, above 81% of zip codes.
Population density and Republican lean
Places with low population density tend to lean Republican; 52219, IA sits in the bottom quarter nationally on this measure.
Why turnout in 52219 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 52219 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 69%, about 9 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 91% of households in 52219 own their home, about 16 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 97% of adults in 52219 have completed high school, above 89% of zip codes. 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.