Grogan's Mill leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.
About 55% of adults in Grogan's Mill typically vote, below the U.S. average of about 62%. Among adults in Grogan's Mill, ~25% vote Democratic, ~30% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How Grogan's Mill compares
Among neighborhoods within 5 miles, Grogan's Mill is the least Republican-leaning.
Grogan's Mill runs about 6 points more Democratic than Texas as a whole.
Politics vary noticeably by block within Grogan's Mill. The southeast side runs the most Democratic (D+5) and the northwest side runs the most Republican (R+25), a spread of about 31 points.
Why Grogan's Mill leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Grogan's Mill. The lean here lands roughly where demographic data alone would predict.
Homeownership and voter turnout
Places with renter-heavy households tend to turn out at a lower rate; Grogan's Mill, The Woodlands, TX sits in the bottom quarter nationally on this measure.
Why turnout in Grogan's Mill looks the way it does
Renters vote less often than owners. About 65% of households in Grogan's Mill rent, about 40 points above the U.S. average of 25%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Panther Creek, The Woodlands, TX R+22
- Imperial Oaks, Spring, TX R+32
- Canyon Lakes at Legends Ranch, Spring, TX R+15
- Creekside Park, The Woodlands, TX R+23
- Indian Springs, The Woodlands, TX R+34
- Cochran's Crossing, The Woodlands, TX R+27
- Harper's Landing, Conroe, TX R+28
- Alden Bridge, The Woodlands, TX R+24
- Cypresswood, Spring, TX R+19
- Sterling Ridge, The Woodlands, TX R+29
Neighborhoods with Similar Populations
- Original Town, Carrollton, TX D+13
- Liberty Heights, Springfield, MA D+34
- West of Twin Peaks, San Francisco, CA D+62
- Asia on Argyle, Chicago, IL D+73
- Sunset Hill, Seattle, WA D+70
- Nestor, San Diego, CA D+19
- New Tacoma, Tacoma, WA D+49
- Central West End, St. Louis, MO D+69
- Downtown, Atlanta, GA D+60
- Ellsworth, Elmwood Park, IL D+7
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.