Waller County leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 63% of adults in Waller County typically vote, near the U.S. average of about 62%. Among adults in Waller County, ~25% vote Democratic, ~38% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How Waller County compares
Among counties within 50 miles, Waller County leans more Republican than 3 of 8 neighbors.
Waller County runs about 6 points more Republican than Texas as a whole.
Politics vary noticeably by city within Waller County. The north side runs the most Democratic (D+32) and the northeast side runs the most Republican (R+62), a spread of about 94 points.
Why Waller County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Waller County, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 78% of households in Waller County are family households, about 12 points above the U.S. average of 67%.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Waller County, TX sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Waller County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Waller County is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Austin County, TX R+54
- Washington County, TX R+37
- Fort Bend County, TX D+6
- Grimes County, TX R+42
- Montgomery County, TX R+35
- Harris County, TX D+13
- Colorado County, TX R+42
- Brazos County, TX D+6
- Wharton County, TX R+33
- Burleson County, TX R+53
Counties with Similar Populations
- Hawkins County, TN R+66
- Chisago County, MN R+29
- Scott County, KY R+29
- Colbert County, AL R+46
- Carter County, TN R+61
- Iron County, UT R+53
- Hardin County, TX R+68
- Vermilion Parish, LA R+55
- Cherokee County, SC R+42
- Marion County, WV R+37
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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.