San Leanna leans heavily Democratic by roughly 40 points: about 70% of voters vote Democratic and 30% Republican.
About 59% of adults in San Leanna typically vote, near the U.S. average of about 62%. Among adults in San Leanna, ~41% vote Democratic, ~18% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How San Leanna compares
Among cities within 25 miles, San Leanna leans more Democratic than 50 of 51 neighbors.
San Leanna runs about 54 points more Democratic than Texas as a whole. Texas leans Republican overall, while San Leanna is one of the few Democratic-leaning pockets.
Why San Leanna 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 San Leanna, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 61% of adults in San Leanna hold a bachelor's degree, about 33 points above the U.S. average of 28%. Dense areas vote Democratic, and San Leanna sits in the top fifth on density (about 73%, above 93% of cities). San Leanna runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; San Leanna, TX sits in the top tenth nationally on this measure.
Why turnout in San Leanna looks the way it does
Areas with limited routine healthcare access turn out at lower rates. San Leanna 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 65% of households in San Leanna rent, compared to around 28% in nearby cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Manchaca, TX D+21
- Creedmoor, TX D+29
- Buda, TX Even
- Sunset Valley, TX D+47
- Mountain City, TX R+9
- Rollingwood, TX D+26
- Niederwald, TX Even
- Mustang Ridge, TX D+3
- West Lake Hills, TX D+11
- Kyle, TX D+7
Cities with Similar Populations
- Farson, WY R+73
- Cold Spring, TN R+73
- Prewitt, KY R+64
- Shiloh, VA R+37
- Graphite, NC R+10
- Vanderbilt, TX R+74
- Lycoming, NY R+34
- Macon, MI R+35
- Gresham, NE R+68
- Sunfish Lake, MN D+12
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.