Corpus Christi, TX Political Map | Democrat & Republican Areas in Corpus Christi

By the BestNeighborhood data science team. Last updated May 2026.

Corpus Christi is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.

 

About 52% of adults in Corpus Christi typically vote, below the U.S. average of about 62%. Among adults in Corpus Christi, ~25% vote Democratic, ~27% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.

How Corpus Christi compares

Among cities within 25 miles, Corpus Christi leans more Republican than 1 of 21 neighbors.

Corpus Christi runs about 11 points more Democratic than Texas as a whole.

Politics vary noticeably by neighborhood within Corpus Christi. The west side runs the most Democratic (D+20) and the northeast side runs the most Republican (R+38), a spread of about 59 points.

Why Corpus Christi leans the way it does

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

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; Corpus Christi, 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 Corpus Christi looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Corpus Christi is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 24%, about 6 points above the Texas average of 19%. Renters vote less often than owners, and about 40% of households in Corpus Christi rent, above 94% of cities. 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.