South Side leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 54% of adults in South Side typically vote, below the U.S. average of about 62%. Among adults in South Side, ~25% vote Democratic, ~29% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How South Side compares
South Side runs about 8 points more Democratic than Texas as a whole.
Politics vary noticeably by block within South Side. The northeast side runs the most Democratic (D+8) and the southeast side runs the most Republican (R+16), a spread of about 24 points.
Why South Side leans the way it does
This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for South Side, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 82% of residents in South Side drive to work alone, about 8 points above the U.S. average of 74%.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; South Side, Corpus Christi, TX sits below the national average on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in South Side looks the way it does
Areas with limited routine healthcare access turn out at lower rates. South Side 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 21%, about 11 points above the U.S. average of 10%. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Bay Area, Corpus Christi, TX Even
- Central City, Corpus Christi, TX D+20
- Flour Bluff, Corpus Christi, TX R+31
- Mustang-Padre Island, Corpus Christi, TX R+38
- Northwest Corpus Christi, Corpus Christi, TX R+21
- Calallen, Corpus Christi, TX R+36
- San Pedro, Robstown, TX D+19
- Enfield Estates, Edinburg, TX R+2
- West Sharyland, Mission, TX R+3
- La Homa, Mission, TX R+4
Neighborhoods with Similar Populations
- Southwest, Anaheim, CA D+10
- Bushwick, Brooklyn, NY D+61
- Bensonhurst, Brooklyn, NY R+22
- South Mountain, Phoenix, AZ D+35
- Sugarland, Houston, TX D+22
- West San Jose, San Jose, CA D+31
- Southeast Mesa, Mesa, AZ R+18
- West Houston, Houston, TX D+19
- Southeastern Denver, Denver, CO D+47
- Koreatown, Los Angeles, CA D+45
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.