Rockwall leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 79% of adults in Rockwall typically vote, above the U.S. average of about 62%. Among adults in Rockwall, ~27% vote Democratic, ~52% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How Rockwall compares
Among cities within 25 miles, Rockwall leans more Republican than 29 of 58 neighbors.
Rockwall runs about 18 points more Republican than Texas as a whole.
Politics vary noticeably by neighborhood within Rockwall. The northeast side is the most Republican-leaning (R+51) and the south side is the least Republican-leaning (R+13), a spread of about 38 points.
Why Rockwall 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 Rockwall, not a ranked or complete list of what matters most.
Rockwall votes Republican even though it is densely developed (about 67%, 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 77% of households in Rockwall are family households, above 82% of cities.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Rockwall, 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 Rockwall looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Rockwall have completed high school, about 10 points above the Texas average of 86%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Fate, TX R+31
- Heath, TX R+45
- Rowlett, TX R+6
- McLendon-Chisholm, TX R+52
- Lavon, TX R+33
- Royse City, TX R+46
- Sachse, TX R+11
- Wylie, TX R+12
- Nevada, TX R+55
- Sunnyvale, TX R+19
Cities with Similar Populations
- Campbell, CA D+31
- Bluffton, SC R+16
- Kendale Lakes, FL R+39
- Davis, CA D+66
- Spring Valley, NY Even
- Middleburg, FL R+46
- Lombard, IL D+14
- Spanaway, WA R+3
- Princeton, NJ D+53
- Sevierville, TN R+58
All Local Stats
Home Services
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.