Dumas leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 50% of adults in Dumas typically vote, below the U.S. average of about 62%. Among adults in Dumas, ~17% vote Democratic, ~33% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.
How Dumas compares
Among cities within 25 miles, Dumas leans more Republican than 1 of 6 neighbors.
Dumas runs about 19 points more Republican than Texas as a whole.
Politics vary noticeably by neighborhood within Dumas. The northeast side is the most Republican-leaning (R+49) and the northwest side is the least Republican-leaning (R+16), a spread of about 33 points.
Why Dumas leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Dumas, not a ranked or complete list of what matters most.
Dumas votes Republican even though it is densely developed (about 78%, far above the Texas average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Low college attainment predicts Republican voting, and Dumas sits in the bottom quarter (about 13%, below 86% of cities).
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Dumas, TX sits in the bottom tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Dumas looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Dumas is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 47%, about 6 points below the Texas average of 54%. Renters vote less often than owners, and about 39% of households in Dumas rent, compared to around 19% in nearby cities. Low high-school completion lines up with lower turnout, and about 75% of adults in Dumas have completed high school, below 96% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Etter, TX R+65
- Cactus, TX R+10
- Four Way, TX R+73
- Sunray, TX R+61
- Masterson, TX R+70
- Channing, TX R+87
- Sanford, TX R+83
- Fritch, TX R+72
- Boys Ranch, TX R+83
- Stinnett, TX R+78
Cities with Similar Populations
- Goffstown, NH Even
- Shively, KY D+53
- Chester, SC D+5
- Rocky Mount, VA R+36
- New Carrollton, MD D+70
- Glen Carbon, IL D+3
- Kingston, TN R+59
- Seabrook, TX R+27
- Discovery Bay, CA R+12
- Grafton, WI R+7
All Local Stats
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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.