Denton County leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 64% of adults in Denton County typically vote, near the U.S. average of about 62%. Among adults in Denton County, ~30% vote Democratic, ~34% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Denton County compares
Among counties within 50 miles, Denton County leans more Republican than 3 of 11 neighbors.
Denton County runs about 7 points more Democratic than Texas as a whole.
Politics vary noticeably by city within Denton County. The southeast side runs the most Democratic (D+11) and the west side runs the most Republican (R+33), a spread of about 44 points.
Why Denton 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 Denton County, not a ranked or complete list of what matters most.
Denton County votes Republican even though it is densely developed (about 77%, far above the Texas average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 73% of households in Denton County are family households, above 91% of counties.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Denton County, TX sits in the top tenth nationally on this measure.
Why turnout in Denton County looks the way it does
Turnout in Denton County sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Collin County, TX R+6
- Dallas County, TX D+27
- Tarrant County, TX D+3
- Cooke County, TX R+57
- Wise County, TX R+69
- Rockwall County, TX R+35
- Grayson County, TX R+43
- Parker County, TX R+62
- Ellis County, TX R+31
- Kaufman County, TX R+29
Counties with Similar Populations
- Kern County, CA R+12
- Pierce County, WA D+12
- Shelby County, TN D+40
- Macomb County, MI R+10
- DuPage County, IL D+14
- San Francisco County, CA D+61
- Milwaukee County, WI D+41
- Hidalgo County, TX R+2
- El Paso County, TX D+15
- Essex County, NJ D+48
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.