The information contained in this report was obtained from the U.S. Census Bureau's Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin: April 1, 2020 to July 1, 2022. However, the percents of the total population of this age group are from calculations by the County Information Program, Texas Association of Counties. For more information, contact the CIP at (512) 478-8753.
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| Williamson County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin for July 1, 2022 | ||
| Age Group (Total) | U.S. Census Bureau Estimate | Percent of the Total Population in this Age Group |
| Total population in this age group | 671,418 | 100.00% |
| Total male population | 335,422 | 49.96% |
| Total female population | 335,996 | 50.04% |
| White alone male population | 259,334 | 38.62% |
| White alone female population | 261,666 | 38.97% |
| Black or African American alone male population | 26,442 | 3.94% |
| Black or African American alone female population | 26,490 | 3.95% |
| American Indian and Alaska Native alone male population | 3,091 | 0.46% |
| American Indian and Alaska Native alone female population | 2,823 | 0.42% |
| Asian alone male population | 35,217 | 5.25% |
| Asian alone female population | 34,128 | 5.08% |
| Native Hawaiian and Other Pacific Islander alone male population | 622 | 0.09% |
| Native Hawaiian and Other Pacific Islander alone female population | 541 | 0.08% |
| Two or More Races male population | 10,716 | 1.60% |
| Two or More Races female population | 10,348 | 1.54% |
| White alone or in combination male population | 269,309 | 40.11% |
| White alone or in combination female population | 271,244 | 40.40% |
| Black or African American alone or in combination male population | 30,971 | 4.61% |
| Black or African American alone or in combination female population | 30,925 | 4.61% |
| American Indian and Alaska Native alone or in combination male population | 5,605 | 0.83% |
| American Indian and Alaska Native alone or in combination female population | 5,305 | 0.79% |
| Asian alone or in combination male population | 39,929 | 5.95% |
| Asian alone or in combination female population | 38,583 | 5.75% |
| Native Hawaiian and Other Pacific Islander alone or in combination male population | 1,313 | 0.20% |
| Native Hawaiian and Other Pacific Islander alone or in combination female population | 1,242 | 0.18% |
| Not Hispanic male population | 250,170 | 37.26% |
| Not Hispanic female population | 251,106 | 37.40% |
| Not Hispanic, White alone male population | 182,078 | 27.12% |
| Not Hispanic, White alone female population | 184,458 | 27.47% |
| Not Hispanic, Black or African American alone male population | 23,809 | 3.55% |
| Not Hispanic, Black or African American alone female population | 23,820 | 3.55% |
| Not Hispanic, American Indian and Alaska Native alone male population | 1,104 | 0.16% |
| Not Hispanic, American Indian and Alaska Native alone female population | 1,045 | 0.16% |
| Not Hispanic, Asian alone male population | 34,406 | 5.12% |
| Not Hispanic, Asian alone female population | 33,255 | 4.95% |
| Not Hispanic, Native Hawaiian and Other Pacific Islander alone male population | 380 | 0.06% |
| Not Hispanic, Native Hawaiian and Other Pacific Islander alone female population | 350 | 0.05% |
| Not Hispanic, Two or More Races male population | 8,393 | 1.25% |
| Not Hispanic, Two or More Races female population | 8,178 | 1.22% |
| Not Hispanic, White alone or in combination male population | 189,891 | 28.28% |
| Not Hispanic, White alone or in combination female population | 192,019 | 28.60% |
| Not Hispanic, Black or African American alone or in combination male population | 27,363 | 4.08% |
| Not Hispanic, Black or African American alone or in combination female population | 27,366 | 4.08% |
| Not Hispanic, American Indian and Alaska Native alone or in combination male population | 2,739 | 0.41% |
| Not Hispanic, American Indian and Alaska Native alone or in combination female population | 2,708 | 0.40% |
| Not Hispanic, Asian alone or in combination male population | 38,370 | 5.71% |
| Not Hispanic, Asian alone or in combination female population | 37,004 | 5.51% |
| Not Hispanic, Native Hawaiian and Other Pacific Islander alone or in combination male population | 884 | 0.13% |
| Not Hispanic, Native Hawaiian and Other Pacific Islander alone or in combination female population | 888 | 0.13% |
| Hispanic male population | 85,252 | 12.70% |
| Hispanic female population | 84,890 | 12.64% |
| Hispanic, White alone male population | 77,256 | 11.51% |
| Hispanic, White alone female population | 77,208 | 11.50% |
| Hispanic, Black or African American alone male population | 2,633 | 0.39% |
| Hispanic, Black or African American alone female population | 2,670 | 0.40% |
| Hispanic, American Indian and Alaska Native alone male population | 1,987 | 0.30% |
| Hispanic, American Indian and Alaska Native alone female population | 1,778 | 0.26% |
| Hispanic, Asian alone male population | 811 | 0.12% |
| Hispanic, Asian alone female population | 873 | 0.13% |
| Hispanic, Native Hawaiian and Other Pacific Islander alone male population | 242 | 0.04% |
| Hispanic, Native Hawaiian and Other Pacific Islander alone female population | 191 | 0.03% |
| Hispanic, Two or More Races male population | 2,323 | 0.35% |
| Hispanic, Two or More Races female population | 2,170 | 0.32% |
| Hispanic, White alone or in combination male population | 79,418 | 11.83% |
| Hispanic, White alone or in combination female population | 79,225 | 11.80% |
| Hispanic, Black or African American alone or in combination male population | 3,608 | 0.54% |
| Hispanic, Black or African American alone or in combination female population | 3,559 | 0.53% |
| Hispanic, American Indian and Alaska Native alone or in combination male population | 2,866 | 0.43% |
| Hispanic, American Indian and Alaska Native alone or in combination female population | 2,597 | 0.39% |
| Hispanic, Asian alone or in combination male population | 1,559 | 0.23% |
| Hispanic, Asian alone or in combination female population | 1,579 | 0.24% |
| Hispanic, Native Hawaiian and Other Pacific Islander alone or in combination male population | 429 | 0.06% |
| Hispanic, Native Hawaiian and Other Pacific Islander alone or in combination female population | 354 | 0.05% |
See the county's Age Groups Chart. Use the dropdown list on that webpage to select ethnicity of the population shown. Selection by race is not available.