Saint Johns is a Democratic stronghold. About 77% of voters here vote Democratic and 23% Republican.
About 25% of adults in Saint Johns typically vote, below the U.S. average of about 62%. Among adults in Saint Johns, ~19% vote Democratic, ~6% Republican, and ~75% don't vote. The map below shows estimated turnout by block group.
How Saint Johns compares
Among neighborhoods within 5 miles, Saint Johns leans more Democratic than 11 of 30 neighbors.
Saint Johns runs about 68 points more Democratic than Texas as a whole. Texas leans Republican overall, while Saint Johns is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within Saint Johns. The southwest side is the most Democratic-leaning (D+63) and the north side is the least Democratic-leaning (D+49), a spread of about 14 points.
Why Saint Johns 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 Saint Johns, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Saint Johns live in densely developed areas, about 64 points above the U.S. average of 36%. Saint Johns runs against the grain of Texas, a Democratic-leaning pocket in a Republican-leaning state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Saint Johns, Austin, TX sits in the top tenth nationally 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 Saint Johns looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Saint Johns 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 45%, about 9 points below the Texas average of 54%. Renters vote less often than owners, and about 78% of households in Saint Johns rent, about 53 points above the U.S. average of 25%. High-crime urban areas turn out at lower rates, and Saint Johns sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
Neighborhoods with Similar Populations
- Boynton, Detroit, MI D+85
- Rainbow Hills, San Antonio, TX D+23
- East Side Capistrano, Oceanside, CA D+15
- Smith Hill, Providence, RI D+47
- West Englewood, Teaneck, NJ D+56
- Lincoln Heights, Los Angeles, CA D+53
- Christopher Newport, Newport News, VA D+50
- Puget, Bellingham, WA D+48
- Sunflower, Wichita, KS D+7
- Back Central, Lowell, MA D+17
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.