Windham leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 91% of adults in Windham typically vote, above the U.S. average of about 62%. Among adults in Windham, ~35% vote Democratic, ~56% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How Windham compares
Among cities within 25 miles, Windham leans more Republican than 16 of 51 neighbors.
Windham runs about 8 points more Republican than Iowa as a whole.
Politics vary noticeably by neighborhood within Windham. The southwest side is the most Republican-leaning (R+33) and the north side is the least Republican-leaning (R+14), a spread of about 19 points.
Why Windham leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Windham. The lean here lands roughly where demographic data alone would predict.
Population density and Republican lean
Places with low population density tend to lean Republican; Windham, IA sits in the bottom quarter nationally on this measure.
Why turnout in Windham looks the way it does
Turnout in Windham sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Williamstown, IA R+26
- Oxford, IA R+2
- Parnell, IA R+38
- Sharon Center, IA R+28
- Homestead, IA R+30
- Kalona, IA R+33
- Tiffin, IA D+14
- Wellman, IA R+36
- South Amana, IA R+34
- Coralville, IA D+44
Cities with Similar Populations
- Munich, ND R+53
- Harris, OK R+48
- Pikeville, AL R+74
- West Sweden, WI R+36
- Morgans Point, TX R+35
- Moran, IN R+59
- Hurricane, LA R+24
- Limekiln, PA R+25
- McCracken, KS R+65
- Brightshade, KY R+79
All Local Stats
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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.