Gregg County, TX Political Map | Democrat & Republican Areas in Gregg County

Gregg County leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.

 
Gregg County, TX block-group political-lean map
Click the map to explore
D+100 D+50 Even R+50 R+100
More liberal More conservative

About 59% of adults in Gregg County typically vote, near the U.S. average of about 62%. Among adults in Gregg County, ~21% vote Democratic, ~38% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.

Gregg County, TX block-group voter-turnout map
Click the map to explore
0% 50% 100%
Lower turnout Higher turnout
Colorblind friendly off

How Gregg County compares

Among counties within 50 miles, Gregg County leans more Republican than 1 of 13 neighbors.

Gregg County runs about 14 points more Republican than Texas as a whole.

Politics vary noticeably by city within Gregg County. The southeast side runs the most Democratic (D+27) and the west side runs the most Republican (R+73), a spread of about 100 points.

Why Gregg 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 Gregg County, not a ranked or complete list of what matters most.

Gregg County votes Republican even though it is densely developed (about 71%, far above the Texas average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; Gregg County, TX sits in the bottom quarter 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 Gregg County looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Gregg County is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 38% of households in Gregg County rent, above 91% of counties. Learn more about the findings and methodology on the political spectrum map.

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.