Spring Valley leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About more than 99% of adults in Spring Valley typically vote, above the U.S. average of about 62%. Among adults in Spring Valley, ~42% vote Democratic, ~60% Republican, and ~-2% don't vote. The map below shows estimated turnout by block group.
How Spring Valley compares
Among cities within 25 miles, Spring Valley leans more Republican than 42 of 50 neighbors.
Spring Valley runs about 5 points more Republican than Texas as a whole.
Why Spring Valley 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 Spring Valley, not a ranked or complete list of what matters most.
Spring Valley votes Republican even though it is densely developed (more than 99%, far above the Texas average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 89% of households in Spring Valley are family households, in the top fraction of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Spring Valley, TX sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Spring Valley looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Spring Valley is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 75%, about 15 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 97% of households in Spring Valley own their home, compared to around 79% in nearby cities. High high-school completion lines up with higher turnout, and about 98% of adults in Spring Valley have completed high school, above 96% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Spring Valley Village, TX Even
- Hilshire Village, TX R+16
- Hedwig Village, TX R+29
- Hunters Creek Village, TX R+41
- Bunker Hill Village, TX R+29
- Piney Point Village, TX R+13
- Houston, TX D+3
- Bellaire, TX D+9
- West University Place, TX D+7
- Southside Place, TX D+6
Cities with Similar Populations
- Ragley, LA R+89
- Avenue B and C, AZ D+5
- Colorado City, AZ R+57
- Chapmansboro, TN R+63
- Westfield, NY R+25
- Moorefield, WV R+53
- Lewisburg, OH R+62
- Jefferson, SC R+38
- Gambier, OH R+29
- Florissant, CO R+31
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.