Columbia Heights leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.
About 31% of adults in Columbia Heights typically vote, below the U.S. average of about 62%. Among adults in Columbia Heights, ~21% vote Democratic, ~10% Republican, and ~69% don't vote. The map below shows estimated turnout by block group.
How Columbia Heights compares
Among neighborhoods within 5 miles, Columbia Heights leans more Democratic than 8 of 22 neighbors.
Columbia Heights runs about 47 points more Democratic than Texas as a whole. Texas leans Republican overall, while Columbia Heights is one of the few Democratic-leaning pockets.
Why Columbia Heights leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Columbia Heights, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Columbia Heights live in densely developed areas, about 64 points above the U.S. average of 36%. Columbia Heights runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.
High-school completion, developed land, and voter turnout
Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as Columbia Heights, San Antonio, TX does.
Why turnout in Columbia Heights looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Columbia Heights is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 41%, about 13 points below the Texas average of 54%. Low high-school completion lines up with lower turnout, and about 61% of adults in Columbia Heights have completed high school, below 98% of neighborhoods. High-crime urban areas turn out at lower rates, and Columbia Heights sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Tierra Linda, San Antonio, TX D+32
- Palm Heights, San Antonio, TX D+33
- Quintana Community, San Antonio, TX D+35
- Collins Gardens, San Antonio, TX D+36
- Terrell Wells, San Antonio, TX D+22
- Brady Gardens, San Antonio, TX D+34
- Thompson Community, San Antonio, TX D+33
- Mission San Jose, San Antonio, TX D+29
- Lone Star, San Antonio, TX D+36
- Greater Gardendale, San Antonio, TX D+29
Neighborhoods with Similar Populations
- Madison South, Portland, OR D+65
- Peterson, Tempe, AZ D+30
- Downtown Lexington, Lexington, KY D+55
- Birchwood, Bellingham, WA D+46
- La Sierra Hills, Riverside, CA Even
- Waltherson, Baltimore, MD D+75
- Briarcliffe, Glenolden, PA D+15
- National Hills, Augusta, GA D+29
- West End, Portland, ME D+77
- Bandini, Commerce, CA D+37
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.