78521 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Texas based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 78521 is Hispanic. The majority race/ethnicity attending public schools in 78521 is Hispanic. The current unemployment level in 78521 is 4.2%.
| Population | 87,040 |
| Population Growth Rate | -4.50% |
| Population Density | 897 People per Square Mile |
| Total Households | 24,928 |
| Percentage High Income Households | 0.9% |
| Median Household Income (2021) | $35,318 |
| Average Adjusted Gross Income (2021) | $463,850 |
| Current Unemployment Rate (September 2025) | 4.2% |
| Sales Tax Rate (2025) | 8.2% |
| Majority Race/Ethnicty | Hispanic - 56.69% |
| Public School Majority Race/Ethnicty | Hispanic - 97.96% |
78521 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 65,212 | 43.03% |
| Black | 43 | 0.03% |
| Hispanic | 85,910 | 56.68% |
| Asian | 153 | 0.1% |
| Native American | 225 | 0.15% |
| Hawaiian/Pac. Islander | 17 | 0.01% |
78521 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 545 | 1.72% |
| Black | 28 | 0.09% |
| Hispanic | 31,047 | 97.99% |
| Asian | 53 | 0.17% |
| Native American | 6 | 0.02% |
| Hawaiian/Pac. Islander | 4 | 0.01% |
78521 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 1,783 | 6.41% |
| Bachelor Degree | 3,840 | 13.81% |
| High School Diploma | 8,472 | 30.47% |
| No High School Diploma | 1,459 | 5.25% |
| GED or Alternate | 2,745 | 9.87% |
| 1 or More Years of College | 5,794 | 20.84% |
| Associates Degree | 2,669 | 9.6% |
| Masters Degree | 742 | 2.67% |
| Professional Degree | 219 | 0.79% |
| Doctorate Degree | 82 | 0.29% |