Williamson County, Texas
Williamson County, Texas · ZIP 76511, 76527, 76530
- Census data · ACS 2019-2023
- 727,480 (2024 estimate)Population
- 241,754Households
- $108,309Median household income
- $414,600Median home value
- 18Towns with a page
- 25ZIP codes
Williamson County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 249,967 |
| 2010 | 422,679 |
| 2020 | 609,017 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 48, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 48, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 48, retrieved November 14, 2026.
Median household income $108,309 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 48, retrieved November 14, 2026.
- Owner occupied
- 162,175 units
- Renter occupied
- 79,579 units
- Vacancy rate
- 3.9%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 48, retrieved November 14, 2026.
203,878 employees in 15,041 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 48, retrieved November 14, 2026.
| Measure | Williamson County | Texas |
|---|---|---|
| Population | 643,889 | 29,640,343 |
| Median household income | $108,309 | $76,292 |
| Median age | 37.2 | 35.5 |
| Median home value | $414,600 | $260,400 |
| Bachelor’s degree or higher | 47.4% | 33.1% |
| Foreign-born residents | 14.9% | 17.2% |
| Owner-occupied homes | 67.1% | 62.6% |
| Mean commute to work | 27.9 minutes | 26.7 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 48, retrieved November 14, 2026.
Townships, towns and villages in Williamson County18 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Round Rock | City | 135,359 | 38.6 sq mi |
| Georgetown | City | 101,344 | 58.9 sq mi |
| Leander | City | 87,511 | 38.8 sq mi |
| Cedar Park | City | 78,380 | 25.6 sq mi |
| Hutto | City | 42,661 | 14.9 sq mi |
| Brushy Creek | Census designated place | 20,953 | 6.37 sq mi |
| Taylor | City | 17,872 | 22.9 sq mi |
| Liberty Hill | City | 11,984 | 4.63 sq mi |
| Sonterra | Census designated place | 8,576 | 2.37 sq mi |
| Jarrell | City | 5,151 | 3.66 sq mi |
| Santa Rita Ranch | Census designated place | 4,055 | 3.95 sq mi |
| Bartlett | City | 1,676 | 1.25 sq mi |
| Serenada | Census designated place | 1,513 | 2.15 sq mi |
| Florence | City | 1,211 | 0.91 sq mi |
| Granger | City | 1,209 | 0.67 sq mi |
| Thrall | City | 873 | 0.47 sq mi |
| Weir | City | 770 | 1.82 sq mi |
| Coupland | City | 302 | 1.93 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 48 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Williamson County
No job is posted in Williamson County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.
No upcoming event is listed in Williamson County's towns yet. Members and businesses add events from any town page.
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Neighboring counties
Neighboring counties
- Bastrop CountyPopulation 114,931 (2024 estimate)
- Bell CountyPopulation 399,578 (2024 estimate)
- Burnet CountyPopulation 55,722 (2024 estimate)
- Lee CountyPopulation 18,451 (2024 estimate)
- Milam CountyPopulation 26,159 (2024 estimate)
- Travis CountyPopulation 1,363,767 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 48, retrieved November 14, 2026.