Williamson County, Texas's estimated 2023 population is 664,919 with a growth rate of 2.88% in the past year according to the most recent United States census data. Williamson County, Texas is the 12th largest county in Texas. The 2010 population was 422,679 and has seen a growth of 57.31% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2010 | 422,679 | ||
| 2011 | 441,313 | 18,634 | 4.41% |
| 2012 | 459,947 | 18,634 | 4.22% |
| 2013 | 478,581 | 18,634 | 4.05% |
| 2014 | 497,215 | 18,634 | 3.89% |
| 2015 | 515,849 | 18,634 | 3.75% |
| 2016 | 534,483 | 18,634 | 3.61% |
| 2017 | 553,117 | 18,634 | 3.49% |
| 2018 | 571,751 | 18,634 | 3.37% |
| 2019 | 590,385 | 18,634 | 3.26% |
| 2020 | 609,017 | 18,632 | 3.16% |
| 2021 | 627,651 | 18,634 | 3.06% |
| 2022 | 646,285 | 18,634 | 2.97% |
| 2023 | 664,919 | 18,634 | 2.88% |
White
Two or more races
Asian
Black or African American
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 217,780 | 2.7 | 67.8 | 32.2 |
| Married | 125,540 | 3.27 | 81.2 | 18.8 |
| Non Family | 61,727 | 1.28 | 49.1 | 50.9 |
| Female | 21,100 | 3.24 | 49.3 | 50.7 |
| Male | 9,413 | 3.25 | 52.6 | 47.4 |
3.19
Average Family Size
2.7
Average Household Size
67.8%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
77.2% of Williamson County, Texas residents speak only English, while 22.8% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 13.85% of the population.
rate
6.3%
Overall Poverty Rate
5.54%
Male Poverty Rate
7.04%
Female Poverty Rate
The race most likely to be in poverty in Williamson County, Texas is Islander, with 20.83% below the poverty level.
The race least likely to be in poverty in Williamson County, Texas is White, with 4.54% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.67%. Among those working part-time, it was 10.77%, and for those that did not work, the poverty rate was 11.02%.
Married
Widowed
Divorced
Separated
NeverMarried
56.8%
Overall Marriage Rate
58.3%
Male Marriage Rate
55.4%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
3.88%
Veteran Poverty Rate
24.57%
Veteran Disability Rate
LaborForceParticipation
70.5%
Labor Force Participation
67.2%
Employment Rate
4.5%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
51.52%
Born in Williamson County, Texas
87.03%
Native Born
13.74%
Foreign Born
7.4%
Non Citizen
6.34%
Naturalized
87.03% of Williamson County, Texas residents were born in the United States, with 51.52% having been born in Texas. 7.4% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.