San Angelo, TX Political Map | Democrat & Republican Areas in San Angelo

San Angelo leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.

 
San Angelo, TX block-group political-lean map
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About 59% of adults in San Angelo typically vote, near the U.S. average of about 62%. Among adults in San Angelo, ~19% vote Democratic, ~40% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.

San Angelo, TX block-group voter-turnout map
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How San Angelo compares

Among cities within 25 miles, San Angelo leans more Republican than 1 of 19 neighbors.

San Angelo runs about 22 points more Republican than Texas as a whole.

Politics vary noticeably by neighborhood within San Angelo. The southeast side is the most Republican-leaning (R+46) and the north side is the least Republican-leaning (R+25), a spread of about 21 points.

Why San Angelo 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 Angelo, not a ranked or complete list of what matters most.

San Angelo votes Republican even though it is densely developed (about 76%, far above the Texas average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; San Angelo, 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 San Angelo looks the way it does

Areas with limited routine healthcare access turn out at lower rates. San Angelo 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 36% of households in San Angelo rent, compared to around 18% in nearby cities. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

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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.