Iowa Colony leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 66% of adults in Iowa Colony typically vote, near the U.S. average of about 62%. Among adults in Iowa Colony, ~35% vote Democratic, ~31% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Iowa Colony compares
Among cities within 25 miles, Iowa Colony leans more Democratic than 50 of 65 neighbors.
Iowa Colony runs about 19 points more Democratic than Texas as a whole. Texas leans Republican overall, while Iowa Colony is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within Iowa Colony. The northeast side runs the most Democratic (D+24) and the southeast side runs the most Republican (R+15), a spread of about 39 points.
Why Iowa Colony 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 Iowa Colony, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 56% of adults in Iowa Colony hold a bachelor's degree, about 27 points above the U.S. average of 28%. Density combined with diversity predicts Democratic voting, and non-Hispanic white share in Iowa Colony is about 25%, about 47 points below the U.S. average of 72%. Iowa Colony runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.
Developed land and Democratic lean
Places with a heavily developed built environment tend to lean Democratic; Iowa Colony, TX sits in the top quarter nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Iowa Colony looks the way it does
Homeowners vote more often than renters. About 95% of households in Iowa Colony own their home, about 20 points above the Texas average of 75%. Limited routine healthcare access lines up with lower turnout, and Iowa Colony sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Rosharon, TX D+15
- Juliff, TX D+48
- Manvel, TX D+5
- Arcola, TX D+26
- Fresno, TX D+55
- Sienna Plantation, TX R+5
- Pearland, TX Even
- Sandy Point, TX R+17
- Brookside Village, TX R+32
- Alvin, TX R+42
Cities with Similar Populations
- Peoria Heights, IL D+11
- Snyderville, UT D+36
- North Grafton, MA D+11
- Daleville, AL R+36
- Poughquag, NY R+23
- Huntington, TX R+79
- Cross Plains, WI D+25
- Gas City, IN R+46
- Fairmont, NC Even
- Kirtland, OH R+21
Sources and methodology
Precinct-level voting records used to fit the model come from Texas Secretary of State, Elections Division, 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.