50860 is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 97% of adults in 50860 typically vote, above the U.S. average of about 62%. Among adults in 50860, ~22% vote Democratic, ~75% Republican, and ~3% don't vote. The map below shows estimated turnout by block group.
How 50860 compares
Among zip codes within 15 miles, 50860 leans more Republican than 2 of 8 neighbors.
50860 runs about 41 points more Republican than Iowa as a whole.
Why 50860 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 50860, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 11% of adults in 50860 hold a bachelor's degree, about 13 points below the Iowa average of 24%. A high family-household share predicts Republican voting, and about 76% of households in 50860 are family households, above 81% of zip codes.
Never-married share, developed land, and voter turnout
Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as 50860, IA does.
Why turnout in 50860 looks the way it does
Homeowners vote more often than renters. About 95% of households in 50860 own their home, about 14 points above the Iowa average of 81%. 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.