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

Brown County is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.

 
Brown 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 62% of adults in Brown County typically vote, near the U.S. average of about 62%. Among adults in Brown County, ~13% vote Democratic, ~49% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.

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

How Brown County compares

Among counties within 50 miles, Brown County leans more Republican than 1 of 6 neighbors.

Brown County runs about 44 points more Republican than Texas as a whole.

Politics vary noticeably by city within Brown County. The north side is the most Republican-leaning (R+76) and the south side is the least Republican-leaning (R+46), a spread of about 30 points.

Why Brown County leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in Brown County. The lean here lands roughly where demographic data alone would predict.

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 Brown County, TX does.

Why turnout in Brown County looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Brown County is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.

Home Services

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.