Troy is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 95% of adults in Troy typically vote, above the U.S. average of about 62%. Among adults in Troy, ~19% vote Democratic, ~76% Republican, and ~5% don't vote. The map below shows estimated turnout by block group.
How Troy compares
Among cities within 25 miles, Troy leans more Republican than 28 of 43 neighbors.
Troy runs about 46 points more Republican than Iowa as a whole.
Why Troy 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 Troy, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 89% of households in Troy are family households, about 23 points above the U.S. average of 67%. Rural areas with a high white share vote Republican. Non-Hispanic white share in Troy is about 94%, about 21 points above the U.S. average of 72%.
Population density and Republican lean
Places with low population density tend to lean Republican; Troy, IA sits in the bottom quarter nationally on this measure.
Why turnout in Troy looks the way it does
Homeowners vote more often than renters. About 96% of households in Troy own their home, about 14 points above the Iowa average of 81%. High high-school completion lines up with higher turnout, and about 96% of adults in Troy have completed high school, above 85% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Milton, IA R+58
- White Elm, IA R+61
- Pulaski, IA R+63
- Leando, IA R+57
- Selma, IA R+57
- Douds, IA R+57
- Pittsburg, IA R+55
- Cantril, IA R+56
- Stiles, IA R+63
- Bloomfield, IA R+56
Cities with Similar Populations
- Wainwright, OK R+61
- Orland, SD R+51
- Onia, AR R+65
- Sardis, KY R+50
- Memphis, NE R+53
- Hornet, MO R+58
- Democrat, TX R+77
- Desdemona, TX R+77
- Chalkhill, PA R+56
- Batavia, WI R+47
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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.