78599 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Texas. The majority race/ethnicity residing in 78599 is Hispanic. The majority race/ethnicity attending public schools in 78599 is Hispanic.
| Population | 35,999 |
| Population Density | 1,256 People per Square Mile |
| Total Households | 8,519 |
| Percentage High Income Households | 1.3% |
| Median Household Income (2021) | $52,679 |
| Sales Tax Rate (2025) | 8.2% |
| Majority Race/Ethnicty | Hispanic - 60.19% |
| Public School Majority Race/Ethnicty | Hispanic - 95.41% |
78599 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 21,618 | 38.76% |
| Black | 185 | 0.33% |
| Hispanic | 33,567 | 60.19% |
| Asian | 155 | 0.28% |
| Native American | 245 | 0.44% |
| Hawaiian/Pac. Islander | 0 | 0% |
78599 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
| White | 48 | 3.19% |
| Black | 10 | 0.67% |
| Hispanic | 1,434 | 95.41% |
| Asian | 8 | 0.53% |
| Native American | 3 | 0.2% |
| Hawaiian/Pac. Islander | 0 | 0% |
78599 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
| Less Than 1 Year of College | 804 | 6.58% |
| Bachelor Degree | 2,237 | 18.31% |
| High School Diploma | 3,753 | 30.71% |
| No High School Diploma | 238 | 1.95% |
| GED or Alternate | 745 | 6.1% |
| 1 or More Years of College | 3,143 | 25.72% |
| Associates Degree | 613 | 5.02% |
| Masters Degree | 520 | 4.26% |
| Professional Degree | 29 | 0.24% |
| Doctorate Degree | 137 | 1.12% |