McCulloch County is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 75% of adults in McCulloch County typically vote, above the U.S. average of about 62%. Among adults in McCulloch County, ~16% vote Democratic, ~59% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How McCulloch County compares
Among counties within 50 miles, McCulloch County leans more Republican than 1 of 6 neighbors.
McCulloch County runs about 42 points more Republican than Texas as a whole.
Politics vary noticeably by city within McCulloch County. The northeast side is the most Republican-leaning (R+77) and the east side is the least Republican-leaning (R+49), a spread of about 28 points.
Why McCulloch County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in McCulloch County. The lean here lands roughly where demographic data alone would predict.
Non-English at home and voter turnout
Places with a low non-English-at-home share tend to turn out at a higher rate; McCulloch County, TX sits in the bottom tenth nationally on this measure.
Why turnout in McCulloch County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. McCulloch 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
- Mason County, TX R+56
- Menard County, TX R+53
- Concho County, TX R+71
- San Saba County, TX R+68
- Brown County, TX R+58
- Coleman County, TX R+63
- Mills County, TX R+72
- Kimble County, TX R+63
- Llano County, TX R+56
- Runnels County, TX R+64
Counties with Similar Populations
- Red River Parish, LA R+19
- Decatur County, IA R+44
- Benton County, MS R+26
- Boise County, ID R+50
- Pleasants County, WV R+59
- Kane County, UT R+59
- Merrick County, NE R+60
- Franklin County, MS R+35
- Clay County, TN R+67
- Valley County, MT R+48
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.