COUNTY
Williamson County
Texas · 752,827 residents (2025 est.) · 1,115.837 sq mi
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The short version
Williamson County is significantly wealthier than the US average, with a median household income of $111,340. The county has more than doubled in size since 2000, adding 422,721 residents. 48% of adults hold a bachelor's degree or higher. Median home value has more than tripled since 2000, reaching $447,000. It ranks in the top 1% of US counties for household income. Households here earn about 42% more than the Texas median.
At a glance
Wealthier
above the US median
US median: $82,259
Younger
median age 37.3
US median: 38.9
More educated
48% hold a bachelor's degree
US average: 36%
Less affordable
home values up 98%, inflation adjusted
US median home: $376,019
Section 01
Population & growth
PEP 2025 EST:752,827 residents (Census Bureau Vintage 2025, released March 2026)
Population, 1990 – 2024
2024673K
Age distribution, 2024
Under 56%(40,481)
5 to 96.9%(46,150)
10 to 147%(47,020)
15 to 196.5%(43,413)
20 to 245.6%(37,500)
25 to 3414.5%(97,312)
35 to 4417%(114,398)
45 to 5413.5%(90,772)
55 to 6410.2%(68,734)
65 to 747.7%(52,070)
75 to 843.9%(26,450)
85 and over1.2%(8,388)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$111,340
+1%inflation adjusted, since 2000
from $60,642 in 2000
US average: $82,259
1990 – 2024
Households earning $100K+
68.0%
+22.8 ptssince 2009
from 45.2% in 2009
US average: 53.3%
Workforce by industry, 2024
Information11.5%
Retail trade8.9%
Other services7.8%
Wholesale trade6.6%
Public administration5.8%
Finance & insurance4.4%
Professional, scientific, technical3.6%
Arts, entertainment, food2.5%
Transportation & warehousing1.9%
Education & health services0.9%
Agriculture, forestry, fishing0.6%
Construction0.4%
Manufacturing0.3%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03
Housing
$447,000
+98%inflation adjusted, since 2000
from $123,900 in 2000
US average: $376,019
1990 – 2024
4.0
+65%since 2009
from 2.4 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
88
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Williamson County on RentDataNow
Section 04
Race & ethnicity
2000
White, non-Hispanic73.5%(183,847)
Black5%(12,444)
Hispanic / Latino17.2%(42,990)
Asian2.6%(6,483)
Other0%
2024
White, non-Hispanic53.3%(358,479)
Black6.7%(45,037)
Hispanic / Latino24.7%(166,454)
Asian9.9%(66,854)
Other5.3%(35,864)
80
+27%since 2009
from 63 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
22
−10%since 2020
from 24 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry
Hispanic origin
Mexican18.5%(124,519)
Central American1.4%(9,404)
South American1.3%(8,918)
Puerto Rican1.1%(7,616)
Cuban0.6%(4,130)
Venezuelan0.5%(3,555)
Salvadoran0.5%(3,336)
Spaniard0.4%(2,966)
Honduran0.4%(2,486)
Peruvian0.3%(1,955)
Colombian0.3%(1,893)
Panamanian0.2%(1,323)
+ 10 more hispanic origin groups with data
Dominican0.2%(1,206)
Guatemalan0.1%(967)
Nicaraguan0.1%(845)
Ecuadorian0.1%(543)
Costa Rican0.1%(447)
Chilean0%(319)
Bolivian0%(273)
Argentine0%(224)
Uruguayan0%(40)
Paraguayan0%(30)
Asian origin
Asian Indian5.2%(35,014)
Chinese1.2%(7,879)
Korean0.7%(4,858)
Vietnamese0.6%(4,196)
Filipino0.5%(3,688)
Pakistani0.5%(3,508)
Nepalese0.3%(2,030)
Taiwanese0.2%(1,356)
Bangladeshi0.1%(753)
Japanese0.1%(670)
Sri Lankan0%(262)
Thai0%(247)
Pacific Islander origin
Native Hawaiian0.1%(812)
Chamorro0.1%(437)
Samoan0%(283)
Guamanian0%(85)
Tongan0%(55)
Fijian0%(4)
Ancestry
German14%(94,066)
English11.8%(79,348)
Irish8.3%(55,791)
American4%(26,662)
Italian3.3%(21,946)
Scottish2.4%(16,206)
French2%(13,651)
Polish1.8%(11,846)
Czech1.3%(9,069)
Scotch-Irish1.3%(8,752)
Subsaharan African1.2%(8,253)
Swedish1%(6,557)
+ 51 more ancestry groups with data
Norwegian0.9%(5,813)
Arab0.8%(5,242)
Dutch0.8%(5,206)
Welsh0.6%(4,189)
British0.5%(3,457)
Russian0.5%(3,303)
Danish0.4%(2,897)
West Indian0.4%(2,590)
French Canadian0.3%(2,069)
Portuguese0.3%(2,023)
Swiss0.3%(1,901)
Nigerian0.3%(1,855)
Greek0.2%(1,406)
Brazilian0.2%(1,387)
Ukrainian0.2%(1,358)
Canadian0.2%(1,323)
Hungarian0.2%(1,282)
Lebanese0.2%(1,040)
Turkish0.2%(1,026)
Iranian0.2%(1,022)
Jamaican0.1%(966)
Ethiopian0.1%(958)
Austrian0.1%(828)
Iraqi0.1%(824)
Haitian0.1%(691)
Israeli0.1%(676)
Lithuanian0.1%(656)
Syrian0.1%(645)
Croatian0.1%(602)
Finnish0.1%(576)
Slovene0.1%(572)
Romanian0.1%(566)
Slovak0.1%(508)
Palestinian0.1%(477)
Belgian0.1%(465)
Jordanian0.1%(369)
Trinidadian & Tobagonian0.1%(351)
Guyanese0%(305)
Egyptian0%(285)
Serbian0%(280)
Moroccan0%(256)
Kenyan0%(243)
Armenian0%(228)
Australian0%(197)
Bulgarian0%(80)
Macedonian0%(75)
Somali0%(63)
Ghanaian0%(55)
Latvian0%(54)
Barbadian0%(53)
Cape Verdean0%(25)
Section 05
Education
High school or higher
94.1%
+5.3 ptssince 2000
from 88.8% in 2000
US average: 89.6%
Section 06
Commute & transportation
Section 07
Work & employment
Section 08
People & community
Marital status
Men 15+
Never married32%(85,385)
Married58.6%(156,168)
Widowed2%(5,215)
Divorced7.4%(19,828)
Women 15+
Never married25.9%(70,567)
Married56.2%(153,154)
Widowed6%(16,350)
Divorced11.9%(32,370)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Compare Williamson County to nearby counties
WILLIAMSON COUNTY VS
Bell County
Income$68,865−38%
Home value$241,000−46%
Population402,248−47%
SEE FULL COMPARISON →
WILLIAMSON COUNTY VS
Travis County
Income$99,611−11%
Home value$523,000+17%
Population1,389,670+85%
SEE FULL COMPARISON →
WILLIAMSON COUNTY VS
Burnet County
Income$78,732−29%
Home value$344,000−23%
Population57,015−92%
SEE FULL COMPARISON →
WILLIAMSON COUNTY VS
Milam County
Income$66,141−41%
Home value$189,800−58%
Population26,258−97%
SEE FULL COMPARISON →
Frequently asked
How many people live in Williamson County, Texas?
Williamson County, Texas has about 672,688 residents according to the 2024 American Community Survey.
What is the median household income in Williamson County, Texas?
The typical household in Williamson County, Texas earns about $111,340 a year. Half of households make more than that, and half make less.
Is Williamson County, Texas expensive?
In Williamson County, Texas, the median home is worth about $447,000, and the typical rent is about $1,796 a month.
How educated are people in Williamson County, Texas?
About 48.4% of adults age 25 and over in Williamson County, Texas hold a bachelor's degree or higher.
What is the poverty rate in Williamson County, Texas?
About 6.4% of people in Williamson County, Texas live below the federal poverty line.
Has Williamson County, Texas grown since 1990?
Yes, Williamson County, Texas has grown since 1990. The population has added about 533,137 residents, a change of about 382 percent over that period.
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135 census tracts (top 20 by population)
Census Tract 203.29Census Tract 216.01Census Tract 203.11Census Tract 201.20Census Tract 208.13Census Tract 206.04Census Tract 214.05Census Tract 203.45Census Tract 208.18Census Tract 201.24Census Tract 203.19Census Tract 208.12Census Tract 208.20Census Tract 204.06Census Tract 203.31Census Tract 215.10Census Tract 204.05Census Tract 206.07Census Tract 203.50Census Tract 207.0719 ZIP codes
ZIP 78613ZIP 78665ZIP 78664ZIP 78681ZIP 78628ZIP 78626ZIP 78634ZIP 78717ZIP 78729ZIP 78633ZIP 78642ZIP 76574ZIP 76537ZIP 76527ZIP 76530ZIP 76578ZIP 78615ZIP 78674ZIP 76573Up the hierarchy
All counties in TexasDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024