Williamson County, Texas demographics
Population: 591,759
Median age: 36.7
Median household income: 94,705
Demographics, population, home values, social and economic characteristics of Williamson County, Texas.
Population
| 2021 | 591,759 |
| 2020 | 570,437 |
| 2019 | 547,604 |
| 2018 | 527,057 |
| 2017 | 508,313 |
| 2016 | 490,619 |
| 2015 | 473,592 |
| 2014 | 457,218 |
| 2013 | 441,445 |
| 2012 | 426,296 |
| 2011 | 409,913 |
| 2010 | 391,715 |
| 2009 | 372,438 |
Williamson County, TX cities
Austin city - 944,658
Bartlett city - 1,684
Brushy Creek CDP - 22,972
Cedar Park city - 74,741
Florence city - 1,093
Georgetown city - 66,514
Granger city - 1,229
Hutto city - 26,971
Jarrell city - 1,924
Leander city - 57,696
Liberty Hill city - 4,017
Pflugerville city - 64,007
Round Rock city - 117,735
Serenada CDP - 1,668
Taylor city - 16,154
Thorndale city - 1,474
Thrall city - 880
Weir city - 370
Census data for Williamson County, Texas
Demographic and housing estimates in Williamson County, Texas
| Total population | 591,759 |
| Male | 293,407 |
| Female | 298,352 |
| Total population | 591,759 |
| Under 5 years | 36,902 |
| 5 to 9 years | 42,315 |
| 10 to 14 years | 44,802 |
| 15 to 19 years | 40,163 |
| 20 to 24 years | 32,228 |
| 25 to 34 years | 82,433 |
| 35 to 44 years | 98,121 |
| 45 to 54 years | 80,439 |
| 55 to 59 years | 32,855 |
| 60 to 64 years | 29,294 |
| 65 to 74 years | 45,568 |
| 75 to 84 years | 19,765 |
| 85 years and over | 6,874 |
| Median age (years) | 36.7 |
| Under 18 years | 150,222 |
| 16 years and over | 458,462 |
| 18 years and over | 441,537 |
| 21 years and over | 422,050 |
| 62 years and over | 89,621 |
| 65 years and over | 72,207 |
| Total population | 591,759 |
| One race | 532,402 |
| White | 425,221 |
| Black or African American | 38,708 |
| American Indian and Alaska Native | 2,273 |
| Asian | 44,419 |
| Native Hawaiian and Other Pacific Islander | 675 |
| Some other race | 21,106 |
| Two or more races | 59,357 |
| Citizen, VOTING AGE 18 and over population | 402,506 |
| Male Citizen, VOTING AGE 18 and over population | 196,321 |
| Female Citizen, VOTING AGE 18 and over population | 206,185 |
Social characteristics in Williamson County, Texas
| Total households | 217,780 |
| Family households (families) | 125,540 |
| Married-couple family | 13,428 |
| Male householder, no wife present, family | 32,439 |
| Female householder, no husband present, family | 22,085 |
| Nonfamily households | 46,373 |
| Average household size | 50,507 |
| Average family size | 2.70 |
Economic characteristics in Williamson County, Texas
| Total households | 217,780 |
| Less than $10,000 | 5,133 |
| $10,000 to $14,999 | 3,802 |
| $15,000 to $24,999 | 9,143 |
| $25,000 to $34,999 | 10,875 |
| $35,000 to $49,999 | 19,278 |
| $50,000 to $74,999 | 36,116 |
| $75,000 to $99,999 | 30,177 |
| $100,000 to $149,999 | 48,915 |
| $150,000 to $199,999 | 27,413 |
| $200,000 or more | 26,928 |
| Median household income (dollars) | 94,705 |
Housing characteristics in Williamson County, Texas
| Total housing units | 228,770 |
| Occupied housing units | 217,780 |
| Vacant housing units | 10,990 |
| Total housing units | 228,770 |
| 1-unit, detached | 166,663 |
| 1-unit, attached | 5,742 |
| 2 units | 3,912 |
| 3 or 4 units | 5,099 |
| 5 to 9 units | 7,942 |
| 10 to 19 units | 12,714 |
| 20 or more units | 21,244 |
| Mobile home | 5,122 |
| Boat, RV, van, etc. | 332 |
| Total housing units | 228,770 |
| Built 2014 or later | 2,813 |
| Built 2010 to 2013 | 62,639 |
| Built 2000 to 2009 | 65,542 |
| Built 1990 to 1999 | 42,754 |
| Built 1980 to 1989 | 29,618 |
| Built 1970 to 1979 | 15,259 |
| Built 1960 to 1969 | 3,134 |
| Built 1950 to 1959 | 2,419 |
| Built 1940 to 1949 | 1,428 |
| Built 1939 or earlier | 3,164 |
| Total housing units | 228,770 |
| 1 room | 2,991 |
| 2 rooms | 8,143 |
| 3 rooms | 18,845 |
| 4 rooms | 27,342 |
| 5 rooms | 39,389 |
| 6 rooms | 41,370 |
| 7 rooms | 34,207 |
| 8 rooms | 24,011 |
| 9 rooms or more | 32,472 |
| Median rooms | 5.9 |
| Total housing units | 228,770 |
| No bedroom | 3,186 |
| 1 bedroom | 23,699 |
| 2 bedrooms | 35,964 |
| 3 bedrooms | 91,376 |
| 4 bedrooms | 62,717 |
| 5 or more bedrooms | 11,828 |
| Occupied housing units | 217,780 |
| Owner-occupied | 147,624 |
| Renter-occupied | 70,156 |
| Average household size of owner-occupied unit | 2.83 |
| Average household size of renter-occupied unit | 2.42 |
| Occupied housing units | 217,780 |
| Moved in 2017 or later | 30,835 |
| Moved in 2015 to 2016 | 81,715 |
| Moved in 2010 to 2014 | 39,983 |
| Moved in 2000 to 2009 | 42,723 |
| Moved in 1990 to 1999 | 14,893 |
| Moved in 1989 and earlier | 7,631 |
| Owner-occupied units | 147,624 |
| Less than $50,000 | 2,578 |
| $50,000 to $99,999 | 2,183 |
| $100,000 to $149,999 | 5,574 |
| $150,000 to $199,999 | 12,675 |
| $200,000 to $299,999 | 47,594 |
| $300,000 to $499,999 | 57,032 |
| $500,000 to $999,999 | 18,655 |
| $1,000,000 or more | 1,333 |
| Median (dollars) | 308,400 |
| Owner-occupied units | 147,624 |
| Housing units with a mortgage | 106,053 |
| Housing units without a mortgage | 41,571 |
| Occupied units paying rent | 68,796 |
| Less than $500 | 1,285 |
| $500 to $999 | 6,232 |
| $1,000 to $1,499 | 31,625 |
| $1,500 to $1,999 | 19,069 |
| $2,000 to $2,499 | 7,506 |
| $2,500 to $2,999 | 2,056 |
| $3,000 or more | 1,023 |
| Median (dollars) | 1,426 |
| No rent paid | 1,360 |
Demographic data for Williamson County, TX and each city in the county. Lists of cities by population, wealth and poverty in Williamson County, TX.
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