Presidio County is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 60% of adults in Presidio County typically vote, near the U.S. average of about 62%. Among adults in Presidio County, ~31% vote Democratic, ~29% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How Presidio County compares
Presidio County runs about 18 points more Democratic than Texas as a whole. Texas leans Republican overall, while Presidio County is one of the few Democratic-leaning pockets.
Why Presidio 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 Presidio County, not a ranked or complete list of what matters most.
Presidio County votes against the grain of Texas. Texas leans Republican overall, while Presidio County runs about 18 points more Democratic.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; Presidio County, TX sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Presidio County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Presidio 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 40%, about 14 points below the Texas average of 54%. Low high-school completion lines up with lower turnout, and about 65% of adults in Presidio County have completed high school, in the bottom fraction of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Brewster County, TX R+12
- Jeff Davis County, TX R+51
- Culberson County, TX R+18
- Pecos County, TX R+28
- Reeves County, TX R+33
- Terrell County, TX R+65
- Hudspeth County, TX R+45
- Ward County, TX R+56
- Winkler County, TX R+59
Counties with Similar Populations
- Iron County, WI R+27
- Pendleton County, WV R+61
- Menifee County, KY R+64
- Clay County, NE R+64
- Shelby County, MO R+65
- Gentry County, MO R+63
- Hamlin County, SD R+64
- Reynolds County, MO R+67
- Van Buren County, TN R+71
- Quitman County, MS D+44
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.