Total Population in Williamson County, TX
ACS 2024 5-Year Estimates
How Williamson County Compares
National Distribution
Where Williamson County falls among all 3,222 U.S. counties for total population.
■ Williamson County: 672,688
Ranking Context
| Rank | County | Value |
|---|---|---|
| #99 | District of Columbia, DC | 681,294 |
| #100 | Tulsa County, OK | 680,794 |
| #101 | Bernalillo County, NM | 673,930 |
| #102 | Williamson County, TX | 672,688 |
| #103 | Jefferson County, AL | 667,755 |
| #104 | Providence County, RI | 664,854 |
| #105 | Kent County, MI | 663,150 |
Total Population in Williamson County, Texas
Williamson County, Texas has a total population of 672,688, which ranks #102 of 3,222 out of 3,222 counties nationwide. This is 99.8% below the national value of 330M.
Within Texas, Williamson County ranks #12 of 254 out of 254 counties. This places it in the 97th percentile nationally.
Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.
About this data
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.