Patterson leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 87% of adults in Patterson typically vote, above the U.S. average of about 62%. Among adults in Patterson, ~24% vote Democratic, ~63% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How Patterson compares
Among cities within 25 miles, Patterson leans more Republican than 38 of 49 neighbors.
Patterson runs about 32 points more Republican than Iowa as a whole.
Why Patterson leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Patterson, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 80% of households in Patterson are family households, about 13 points above the U.S. average of 67%.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as Patterson, IA does.
Why turnout in Patterson looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Patterson 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 73%, about 13 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 94% of households in Patterson own their home, about 19 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 98% of adults in Patterson have completed high school, above 96% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Bevington, IA R+45
- St. Charles, IA R+43
- Winterset, IA R+37
- Hanley, IA R+44
- Martensdale, IA R+39
- Peru, IA R+50
- East Peru, IA R+52
- Cumming, IA R+28
- Prole, IA R+38
- Van Meter, IA R+31
Cities with Similar Populations
- Cunot, IN R+61
- Kingsbury, NY R+38
- Hillgrove, WA R+18
- Cecilton, MD R+37
- Bridgewater, MI R+12
- McKey, OK R+62
- Williamsburg, MO R+53
- Etna, NH D+30
- Coal City, IN R+64
- Rabun, AL R+78
All Local Stats
Home Services
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.