Williamson County, TX Map
Official Census boundary of Williamson County, Texas (FIPS 48491). Turn on flood zones, contours, land cover and school districts, measure distances, or click any spot to inspect it.
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Williamson County Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
672,688
Households
252,323
Median household income
$111,340
Median age
37.3 years
Median home value
$447,000
Median gross rent
$1,796/mo
Owner-occupied homes
66.4%
Bachelor's degree or higher
48.4%
Below poverty level
6.4%
Land area
1,115.8 sq mi
Population density
603 / sq mi