50561 is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 79% of adults in 50561 typically vote, above the U.S. average of about 62%. Among adults in 50561, ~19% vote Democratic, ~60% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How 50561 compares
Among zip codes within 15 miles, 50561 leans more Republican than 8 of 10 neighbors.
50561 runs about 38 points more Republican than Iowa as a whole.
Why 50561 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 50561, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 50561, about 96% of residents are non-Hispanic white, about 24 points above the U.S. average of 72%; about 19% of adults hold a bachelor's degree, about 5 points below the Iowa average of 24%. Car-dependent areas vote Republican, and about 86% of residents in 50561 drive to work alone, above 90% of zip codes.
Population density and Republican lean
Places with low population density tend to lean Republican; 50561, IA sits below the national average on this measure.
Why turnout in 50561 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 50561 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 68%, about 8 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.