50076 leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About more than 99% of adults in 50076 typically vote, above the U.S. average of about 62%. Among adults in 50076, ~27% vote Democratic, ~73% Republican, and ~0% don't vote. The map below shows estimated turnout by block group.
How 50076 compares
Among zip codes within 15 miles, 50076 leans more Republican than 2 of 10 neighbors.
50076 runs about 32 points more Republican than Iowa as a whole.
Politics vary noticeably by block within 50076. The northeast side is the most Republican-leaning (R+55) and the south side is the least Republican-leaning (R+42), a spread of about 13 points.
Why 50076 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 50076, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 15% of adults in 50076 hold a bachelor's degree, about 9 points below the Iowa average of 24%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 50076, IA sits above the national average on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 50076 looks the way it does
Turnout in 50076 sits close to the national pattern. 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.