Mason County is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 86% of adults in Mason County typically vote, above the U.S. average of about 62%. Among adults in Mason County, ~19% vote Democratic, ~67% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.
How Mason County compares
Among counties within 50 miles, Mason County leans more Republican than 4 of 7 neighbors.
Mason County runs about 42 points more Republican than Texas as a whole.
Politics vary noticeably by city within Mason County. The northeast side is the most Republican-leaning (R+69) and the west side is the least Republican-leaning (R+50), a spread of about 18 points.
Why Mason County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Mason County. The lean here lands roughly where demographic data alone would predict.
Cholesterol-screening access and voter turnout
Places with high cholesterol-screening access tend to turn out at a higher rate; Mason County, TX sits in the top tenth nationally on this measure. Cholesterol screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Mason County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Mason 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
- McCulloch County, TX R+56
- Menard County, TX R+53
- Kimble County, TX R+63
- Gillespie County, TX R+56
- San Saba County, TX R+68
- Llano County, TX R+56
- Kerr County, TX R+45
- Concho County, TX R+71
- Burnet County, TX R+56
- Mills County, TX R+72
Counties with Similar Populations
- Columbia County, WA R+51
- Red Lake County, MN R+47
- Wells County, ND R+58
- Kearny County, KS R+71
- Edmunds County, SD R+60
- Pierce County, ND R+47
- Gregory County, SD R+65
- Corson County, SD D+38
- Sioux County, ND D+54
- Chase County, NE R+71
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.