Ector County leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 51% of adults in Ector County typically vote, below the U.S. average of about 62%. Among adults in Ector County, ~15% vote Democratic, ~36% Republican, and ~49% don't vote. The map below shows estimated turnout by block group.
How Ector County compares
Among counties within 50 miles, Ector County is the least Republican-leaning.
Ector County runs about 28 points more Republican than Texas as a whole.
Politics vary noticeably by city within Ector County. The northwest side is the most Republican-leaning (R+64) and the southeast side is the least Republican-leaning (R+10), a spread of about 54 points.
Why Ector 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 Ector County, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 82% of residents in Ector County drive to work alone, about 8 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and Ector County sits in the bottom quarter (about 17%, below 79% of counties). A high family-household share predicts Republican voting, and about 69% of households in Ector County are family households, above 76% of counties.
High-school completion, developed land, and voter turnout
Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as Ector County, TX does.
Why turnout in Ector County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Ector County 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 49%, about 11 points below the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Midland County, TX R+48
- Crane County, TX R+48
- Andrews County, TX R+62
- Ward County, TX R+56
- Martin County, TX R+68
- Winkler County, TX R+59
- Upton County, TX R+58
- Glasscock County, TX R+85
- Howard County, TX R+50
- Gaines County, TX R+70
Counties with Similar Populations
- Maui County, HI D+19
- Yellowstone County, MT R+25
- Charles County, MD D+38
- Rock County, WI Even
- Houston County, GA R+4
- Olmsted County, MN D+12
- Greene County, OH R+17
- Hampshire County, MA D+45
- Pueblo County, CO Even
- Beaver County, PA R+19
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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.