50111 is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 86% of adults in 50111 typically vote, above the U.S. average of about 62%. Among adults in 50111, ~42% vote Democratic, ~44% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.
How 50111 compares
Among zip codes within 15 miles, 50111 sits roughly in the middle of the political spectrum, with 18 neighbors leaning further in the place's direction and 17 leaning the other way.
50111 runs about 11 points more Democratic than Iowa as a whole.
Politics vary noticeably by block within 50111. The east side runs the most Democratic (D+5) and the southwest side runs the most Republican (R+9), a spread of about 14 points.
Why 50111 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 50111. The lean here lands roughly where demographic data alone would predict.
High-school completion, uninsured rate, and voter turnout
Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as 50111, IA does.
Why turnout in 50111 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 50111 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 71%, about 11 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and more than 99% of adults in 50111 have completed high school, above 98% 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.