50614 leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 47% of adults in 50614 typically vote, below the U.S. average of about 62%. Among adults in 50614, ~31% vote Democratic, ~15% Republican, and ~54% don't vote. The map below shows estimated turnout by block group.
How 50614 compares
Among zip codes within 15 miles, 50614 is the most Democratic-leaning.
50614 runs about 47 points more Democratic than Iowa as a whole. Iowa leans Republican overall, while 50614 is one of the few Democratic-leaning pockets.
Why 50614 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 50614, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. More than 99% of adults in 50614 hold a bachelor's degree, about 71 points above the U.S. average of 28%. Dense areas vote Democratic, and 50614 sits in the top fifth on density (more than 99%, in the top fraction of zip codes). 50614 runs against the grain of Iowa, a Democratic-leaning pocket in a Republican-leaning state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 50614, IA sits in the bottom quarter nationally 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 50614 looks the way it does
Areas with low high-school completion turn out at lower rates. More than 99% of adults in 50614 have completed high school, about 10 points above the U.S. average of 90%. High food insecurity lines up with lower turnout, and about 29% of adults in 50614 report food insecurity, above 93% 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.