RANK #994 / 996 · POP 617,396 · TX
PROJECTED GROWTH: -6.1%
Williamson County, often called "Wilco" by locals, sits in Central Texas, directly north of Austin. Georgetown, the county seat, is about 25 miles from Austin. The county's landscape transitions from the rolling hills of the Edwards Plateau in the west to the flatter Blackland Prairies in the east, bisected by Interstate 35. This varied terrain offers outdoor recreation, including hiking and biking trails at Southwest Williamson County Regional Park and water activities on Lake Georgetown and Lake Granger. Commutes to Austin are common, with options including personal vehicles, bus services, and a tram line.
Life in Williamson County often appeals to families, drawn by highly rated public schools and a sense of community. The economy has diversified beyond its agricultural roots, with major investments in technology, manufacturing, and healthcare. This growth has attracted a workforce seeking opportunities within these expanding sectors. The county's development includes new retail and commercial centers, particularly in towns like Round Rock and Georgetown.
Above national median (4.7x)
Prices declining
Moderate climate & terrain
Above national median (13x)
Housing is fairly valued at 6.5x relative to local economic output. The typical U.S. county is 4–6x.
Source: Redfin · Census BPS — Browse sales on Redfin →
| PROJECT | AMOUNT | STATUS |
|---|---|---|
|
Samsung Semiconductor Plant
Samsung Austin Semiconductor, LLC
|
$17,000M | Under Construction |
|
PowerCampus Austin (Hutto Megasite)
Skybox Datacenters LLC and Prologis Inc.
|
$10,000M | Under Construction |
|
Battery Energy Storage Systems (Multiple Projects)
Key Capture Energy, Engie North America, Rabbit Hill Energy Storage Project
|
$200M | Operating |
|
Georgetown DC (Austin) Data Center
Blueprint Data Centers (Compass Datacenters)
|
$160M | Under Construction |
|
Labatt Food Service Facility
Labatt Food Service, LLC
|
$42M | Planned |
|
Pegatron Technologies Manufacturing Facility
Pegatron Technologies, LLC
|
$35M | Planned |
Source: public records, news, corporate announcements. Amounts are estimates where noted.
Bars show percentile rank among all 996 counties.
Williamson County has a Boom Town Index score of 0/100, ranking #994 among 996 U.S. counties. With job growth at +4.0% and a median household income of $102,851, it faces some economic headwinds compared to faster-growing counties.
The median home value in Williamson County is $370,100 with median rent at $1,597/month. The income-to-home-value ratio is 0.2779, which is more affordable than the national average.
Population growth: +4.3% year-over-year. Job growth: +4.0%. Home values changed -5.6% in the past 12 months.
Yes — 5.64% of Williamson County's population moved from another state, which is above the national average and indicates strong in-migration.