La Marque leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 57% of adults in La Marque typically vote, near the U.S. average of about 62%. Among adults in La Marque, ~31% vote Democratic, ~26% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How La Marque compares
Among cities within 25 miles, La Marque leans more Democratic than 33 of 34 neighbors.
La Marque runs about 25 points more Democratic than Texas as a whole. Texas leans Republican overall, while La Marque is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within La Marque. The north side runs the most Democratic (D+51) and the southwest side runs the most Republican (R+16), a spread of about 67 points.
Why La Marque 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 La Marque, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 81% of residents in La Marque live in densely developed areas, about 45 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 33% of adults in La Marque have never been married, above 84% of cities. La Marque runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; La Marque, TX sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in La Marque looks the way it does
Areas with limited routine healthcare access turn out at lower rates. La Marque is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 31% of households in La Marque rent, above 86% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Hitchcock, TX R+7
- Texas City, TX D+10
- Bayou Vista, TX R+35
- Santa Fe, TX R+56
- Tiki Island, TX R+48
- Dickinson, TX R+12
- San Leon, TX R+26
- Bacliff, TX R+21
- League City, TX R+21
- Galveston, TX D+14
Cities with Similar Populations
- Taft, CA R+40
- Glen Mills, PA D+4
- Los Fresnos, TX R+12
- Gibsonton, FL D+4
- Lindsay, CA R+5
- Alton, TX R+3
- Gilmer, TX R+64
- Emmaus, PA R+6
- Eastlake, OH R+14
- Dallas, NC R+32
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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.