| Name | Williamson County |
| State | Texas |
| FIPS Code | 48491 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 426,296 |
| Population Growth Rate(2000-2022) | 44.08% |
| Majority Ethnicity | White 62.53% |
| Public School Majority Ethnicity | White 47% |
| Partisan Voting Index | Democratic:+1 |
| Unemployment Rate | 3.8% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 62.53% |
| African American | 6.25% |
| Hispanic | 23.16% |
| Asian | 7.55% |
| Native American | 0.39% |
| Hawaiin/Pacific Islander | 0.12% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 47.17% |
| African American | 6.63% |
| Hispanic | 33.42% |
| Asian | 8.27% |
| Native American | 0.34% |
| Hawaiin/Pacific Islander | 0.17% |