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Population Review

Williamson County, TX — Population & Demographics

Williamson County, TX has a population of 643,889. The median household income is $108,309 and the median age is 37.2.

643,889

Population

$108,309

Median Income

$414,600

Median Home Value

37.2

Median Age

Race & Ethnicity

White63.8%
Black or African American6.9%
Asian0.0%
Hispanic or Latino (any race)1.9%
Two or More Races0.0%

Economy & Income

$108,309

Median Household Income

$51,260

Per Capita Income

4.4%

Poverty Rate

2.8%

Unemployment

Housing

$414,600

Median Home Value

$1,720

Median Rent

67.1%

Homeownership

Education

94.2%

High School+

47.4%

Bachelor's+

Frequently Asked Questions

Williamson County, TX has a population of 643,889 according to Census ACS 2023 data.

The median household income in Williamson County, TX is $108,309.

Data from the American Community Survey (ACS) 5-Year estimates.