Robertson County leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 64% of adults in Robertson County typically vote, near the U.S. average of about 62%. Among adults in Robertson County, ~20% vote Democratic, ~44% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Robertson County compares
Among counties within 50 miles, Robertson County leans more Republican than 2 of 8 neighbors.
Robertson County runs about 22 points more Republican than Texas as a whole.
Politics vary noticeably by city within Robertson County. The southwest side runs the most Democratic (D+15) and the northeast side runs the most Republican (R+74), a spread of about 90 points.
Why Robertson County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Robertson County. The lean here lands roughly where demographic data alone would predict.
Population density and Republican lean
Places with low population density tend to lean Republican; Robertson County, TX sits in the bottom quarter nationally on this measure.
Why turnout in Robertson County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Robertson 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
- Brazos County, TX D+6
- Milam County, TX R+51
- Falls County, TX R+25
- Burleson County, TX R+53
- Leon County, TX R+69
- Madison County, TX R+43
- Limestone County, TX R+40
- Grimes County, TX R+42
- Lee County, TX R+52
- Freestone County, TX R+56
Counties with Similar Populations
- Dixie County, FL R+67
- Jackson County, AR R+48
- Rush County, IN R+57
- Giles County, VA R+58
- Bond County, IL R+39
- Piscataquis County, ME R+34
- Taylor County, WV R+55
- Union County, SD R+43
- Buckingham County, VA R+23
- Marion County, AR R+56
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.