Mainland Park leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 61% of adults in Mainland Park typically vote, near the U.S. average of about 62%. Among adults in Mainland Park, ~24% vote Democratic, ~37% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How Mainland Park compares
Mainland Park runs about 7 points more Republican than Texas as a whole.
Why Mainland Park leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Mainland Park, not a ranked or complete list of what matters most.
Mainland Park votes Republican even though it is densely developed (more than 99%, far above the Texas average of 35%). Here an older population outweighs the Democratic lean that density usually predicts. Low college attainment predicts Republican voting, and Mainland Park sits in the bottom quarter (about 19%, below 78% of neighborhoods). A high family-household share predicts Republican voting, and about 79% of households in Mainland Park are family households, above 84% of neighborhoods.
Developed land, local retail density, and voter turnout
Places that combine a heavily developed built environment and sparse local retail within a mile tend to turn out at a lower rate, as Mainland Park, Texas City, TX does.
Why turnout in Mainland Park looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Mainland Park 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 Neighborhoods
- Painted Meadows, Santa Fe, TX R+29
- Bayou Shore, Galveston, TX D+19
- Tuscan Lakes, League City, TX R+19
- Bay Colony, League City, TX R+14
- South Shore Harbour and Marina, League City, TX R+20
- Clear Lake, Houston, TX R+8
- Downtown La Porte, La Porte, TX R+25
- South Houston Gardens, Pasadena, TX R+20
- Spencer View Terrace, Deer Park, TX R+22
- Pasadina, Houston, TX D+4
Neighborhoods with Similar Populations
- South Atrisco, South Valley, NM D+20
- Hillendale, Oregon City, OR Even
- McKinley, Albuquerque, NM D+23
- West Edgewood, Indianapolis, IN Even
- Westmore, Orem, UT R+18
- Over Place Area, Abilene, TX R+30
- Sierra Linda, Oxnard, CA D+31
- Darkesville, Inwood, WV R+35
- Mountainville, Allentown, PA D+12
- Monfort Heights South, Cincinnati, OH R+24
All Local Stats
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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.