Blanco County is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 82% of adults in Blanco County typically vote, above the U.S. average of about 62%. Among adults in Blanco County, ~20% vote Democratic, ~62% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How Blanco County compares
Among counties within 50 miles, Blanco County leans more Republican than 9 of 12 neighbors.
Blanco County runs about 39 points more Republican than Texas as a whole.
Politics vary noticeably by city within Blanco County. The southeast side is the most Republican-leaning (R+58) and the north side is the least Republican-leaning (R+46), a spread of about 12 points.
Why Blanco 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 Blanco County, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 72% of households in Blanco County are family households, about 6 points above the U.S. average of 67%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Blanco County, TX sits below the national average 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 Blanco County looks the way it does
Turnout in Blanco County sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Hays County, TX D+4
- Comal County, TX R+36
- Kendall County, TX R+49
- Gillespie County, TX R+56
- Burnet County, TX R+56
- Llano County, TX R+56
- Travis County, TX D+37
- Guadalupe County, TX R+23
- Kerr County, TX R+45
- Caldwell County, TX R+17
Counties with Similar Populations
- Wabash County, IL R+51
- Greensville County, VA D+13
- Desha County, AR R+7
- Monroe County, KY R+69
- Heard County, GA R+71
- Live Oak County, TX R+61
- Montgomery County, MO R+56
- Jefferson Davis County, MS D+6
- Decatur County, TN R+69
- Okfuskee County, OK R+53
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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.