Travis County leans heavily Democratic by roughly 36 points: about 68% of voters vote Democratic and 32% Republican.
About 62% of adults in Travis County typically vote, near the U.S. average of about 62%. Among adults in Travis County, ~42% vote Democratic, ~20% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How Travis County compares
Among counties within 50 miles, Travis County is the most Democratic-leaning.
Travis County runs about 51 points more Democratic than Texas as a whole. Texas leans Republican overall, while Travis County is one of the few Democratic-leaning pockets.
Politics vary noticeably by city within Travis County. The south side is the most Democratic-leaning (D+48) and the west side is the least Democratic-leaning (D+5), a spread of about 42 points.
Why Travis County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Travis County, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 56% of adults in Travis County hold a bachelor's degree, about 28 points above the U.S. average of 28%. Dense areas vote Democratic, and Travis County sits in the top fifth on density (about 78%, above 95% of counties). Travis County 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; Travis County, TX sits in the top tenth nationally on this measure.
Why turnout in Travis County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Travis County 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 44% of households in Travis County rent, compared to around 25% in nearby counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Williamson County, TX Even
- Hays County, TX D+4
- Bastrop County, TX R+24
- Caldwell County, TX R+17
- Burnet County, TX R+56
- Blanco County, TX R+53
- Lee County, TX R+52
- Comal County, TX R+36
- Llano County, TX R+56
- Milam County, TX R+51
Counties with Similar Populations
- Hennepin County, MN D+43
- Oakland County, MI D+14
- Cuyahoga County, OH D+35
- Franklin County, OH D+30
- Allegheny County, PA D+22
- Salt Lake County, UT D+10
- Nassau County, NY Even
- Contra Costa County, CA D+36
- Orange County, FL D+14
- Fairfax County, VA D+37
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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.