Delta County is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 74% of adults in Delta County typically vote, above the U.S. average of about 62%. Among adults in Delta County, ~12% vote Democratic, ~62% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How Delta County compares
Among counties within 50 miles, Delta County leans more Republican than 10 of 11 neighbors.
Delta County runs about 54 points more Republican than Texas as a whole.
Politics vary noticeably by city within Delta County. The northeast side is the most Republican-leaning (R+79) and the south side is the least Republican-leaning (R+58), a spread of about 21 points.
Why Delta County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Delta County, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 15% of adults in Delta County hold a bachelor's degree, about 11 points below the Texas average of 26%. Rural areas vote Republican, and Delta County sits in the bottom quarter on density (about 11%, below 81% of counties). A high family-household share predicts Republican voting, and about 72% of households in Delta County are family households, above 88% of counties.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Delta County, TX sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Delta County looks the way it does
Homeowners vote more often than renters. About 82% of households in Delta County own their home, about 8 points above the Texas average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Hopkins County, TX R+61
- Lamar County, TX R+50
- Fannin County, TX R+58
- Hunt County, TX R+49
- Franklin County, TX R+62
- Rains County, TX R+75
- Red River County, TX R+51
- Titus County, TX R+40
- Wood County, TX R+68
- Choctaw County, OK R+54
Counties with Similar Populations
- Aleutians West Census Area, AK Even
- Martin County, TX R+68
- Dewey County, SD D+30
- Alexander County, IL R+4
- Warren County, GA D+15
- Polk County, NE R+62
- Brule County, SD R+52
- Stevens County, KS R+73
- Carter County, MO R+71
- Wirt County, WV R+65
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.