51465 is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 77% of adults in 51465 typically vote, above the U.S. average of about 62%. Among adults in 51465, ~18% vote Democratic, ~59% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 51465 compares
Among zip codes within 15 miles, 51465 leans more Republican than 3 of 12 neighbors.
51465 runs about 41 points more Republican than Iowa as a whole.
Why 51465 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 51465, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 84% of residents in 51465 drive to work alone, about 10 points above the U.S. average of 74%.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 51465, IA sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 51465 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 51465 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 68%, about 8 points above the U.S. average of 60%. 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.