78666 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 78666 is White. The majority race/ethnicity attending public schools in 78666 is Hispanic. The current unemployment level in 78666 is 4.2%.
| Population | 86,530 |
| Population Growth Rate | 8.41% |
| Population Density | 469 People per Square Mile |
| Total Households | 22,018 |
| Percentage High Income Households | 1.5% |
| Median Household Income (2021) | $44,914 |
| Average Adjusted Gross Income (2021) | $467,950 |
| Current Unemployment Rate (September 2025) | 4.2% |
| Sales Tax Rate (2025) | 8.2% |
| Majority Race/Ethnicty | White - 58.63% |
| Public School Majority Race/Ethnicty | Hispanic - 72.11% |
78666 Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 61,904 | 58.6% |
| Black | 5,233 | 4.95% |
| Hispanic | 36,417 | 34.48% |
| Asian | 1,720 | 1.63% |
| Native American | 304 | 0.29% |
| Hawaiian/Pac. Islander | 55 | 0.05% |
78666 Public School Race/Ethnicty Breakdown
| Race/Ethnicty | Total | Percentage |
|---|
| White | 1,838 | 20.87% |
| Black | 403 | 4.58% |
| Hispanic | 6,448 | 73.23% |
| Asian | 85 | 0.97% |
| Native American | 17 | 0.19% |
| Hawaiian/Pac. Islander | 14 | 0.16% |
78666 Educational Attainment Levels
| Highest Education Level Attained | Total | Percentage |
|---|
| Less Than 1 Year of College | 1,575 | 6.25% |
| Bachelor Degree | 6,461 | 25.64% |
| High School Diploma | 5,481 | 21.75% |
| No High School Diploma | 447 | 1.77% |
| GED or Alternate | 1,562 | 6.2% |
| 1 or More Years of College | 5,274 | 20.93% |
| Associates Degree | 1,771 | 7.03% |
| Masters Degree | 1,897 | 7.53% |
| Professional Degree | 246 | 0.98% |
| Doctorate Degree | 487 | 1.93% |