Lewisville leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 47% of adults in Lewisville typically vote, below the U.S. average of about 62%. Among adults in Lewisville, ~26% vote Democratic, ~21% Republican, and ~53% don't vote. The map below shows estimated turnout by block group.
How Lewisville compares
Among cities within 25 miles, Lewisville leans more Democratic than 65 of 73 neighbors.
Lewisville runs about 23 points more Democratic than Texas as a whole. Texas leans Republican overall, while Lewisville is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within Lewisville. The southeast side runs the most Democratic (D+21) and the southwest side runs the most Republican (R+9), a spread of about 31 points.
Why Lewisville 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 Lewisville, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 93% of residents in Lewisville live in densely developed areas, about 57 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Lewisville sits in the top quarter (about 34%, above 81% of cities). A high never-married share predicts Democratic voting, and about 36% of adults in Lewisville have never been married, above 89% of cities.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Lewisville, TX sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Lewisville looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Lewisville 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 51% of households in Lewisville rent, compared to around 22% in nearby cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Flower Mound, TX R+16
- Coppell, TX D+2
- Highland Village, TX R+27
- Hickory Creek, TX R+29
- Hebron, TX D+3
- Double Oak, TX R+38
- Lake Dallas, TX R+21
- Carrollton, TX D+8
- Copper Canyon, TX R+39
- The Colony, TX R+3
Cities with Similar Populations
- Ypsilanti, MI D+48
- West Chester, PA D+20
- El Monte, CA D+26
- Highlands Ranch, CO D+4
- Davenport, IA D+14
- Homestead, FL R+5
- Burbank, CA D+28
- North Hills, CA D+26
- Gastonia, NC Even
- Davie, FL Even
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.