52766 leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 66% of adults in 52766 typically vote, near the U.S. average of about 62%. Among adults in 52766, ~22% vote Democratic, ~44% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How 52766 compares
Among zip codes within 15 miles, 52766 leans more Republican than 7 of 13 neighbors.
52766 runs about 21 points more Republican than Iowa as a whole.
Why 52766 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 52766, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 7% of adults in 52766 hold a bachelor's degree, about 18 points below the Iowa average of 24%. Rural areas vote Republican, and 52766 sits in the bottom quarter on density (about 5%, below 80% of zip codes).
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; 52766, IA sits in the bottom quarter nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 52766 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 52766 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.