50588 leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.
About 72% of adults in 50588 typically vote, above the U.S. average of about 62%. Among adults in 50588, ~33% vote Democratic, ~39% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How 50588 compares
Among zip codes within 15 miles, 50588 is the least Republican-leaning.
50588 runs about 5 points more Democratic than Iowa as a whole.
Politics vary noticeably by block within 50588. The north side runs the most Democratic (Even) and the northeast side runs the most Republican (R+43), a spread of about 43 points.
Why 50588 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 50588. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 50588, IA sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 50588 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 50588 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.