North Central, San Antonio, TX Political Map | Democrat & Republican Areas in North Central

North Central leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.

 
North Central, San Antonio, TX block-group political-lean map
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About 41% of adults in North Central typically vote, below the U.S. average of about 62%. Among adults in North Central, ~25% vote Democratic, ~16% Republican, and ~59% don't vote. The map below shows estimated turnout by block group.

North Central, San Antonio, TX block-group voter-turnout map
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How North Central compares

Among neighborhoods within 5 miles, North Central leans more Democratic than 7 of 26 neighbors.

North Central runs about 35 points more Democratic than Texas as a whole. Texas leans Republican overall, while North Central is one of the few Democratic-leaning pockets.

Politics vary noticeably by block within North Central. The southwest side runs the most Democratic (D+27) and the north side runs the most Republican (R+3), a spread of about 30 points.

Why North Central 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 North Central, not a ranked or complete list of what matters most.

North Central votes against the grain of Texas. Texas leans Republican overall, while North Central runs about 35 points more Democratic.

Population density and Democratic lean

Places with high population density tend to lean Democratic; North Central, San Antonio, TX sits in the top quarter nationally on this measure.

Why turnout in North Central looks the way it does

Areas with limited routine healthcare access turn out at lower rates. North Central 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 49%, about 5 points below the Texas average of 54%. Renters vote less often than owners, and about 64% of households in North Central rent, about 39 points above the U.S. average of 25%. Low high-school completion lines up with lower turnout, and about 84% of adults in North Central have completed high school, below 79% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.

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.