Williamson County is a fast-growing county north of Austin, with Georgetown as the county seat. Its cities include Round Rock, Cedar Park, Georgetown, Leander, Taylor, and Hutto, and its major employers include Dell, Apple, and Samsung.
A quick look at the county, according to the Williamson County fact sheet:
Population - about 752,800 in 2025, which ranked 9th among U.S. counties for population growth from 2024 to 2025, adding 23,814 residents
County seat - Georgetown
Size - about 1,135 square miles
Parks - about 2,993 acres of parkland, 4,844 acres of preserves, and 52 miles of trails
Williamson County offers a wide range of homes, from historic houses near the Georgetown and Round Rock downtowns to large master-planned communities in Cedar Park, Leander, Hutto, and Georgetown, plus acreage in the rural parts of the county. The county's fact sheet lists a median home value of about $410,000, but prices vary a lot by city and school district, so ask your agent for recent sales that match the home you want.
What buyers commonly look for:
Schools - several highly rated and fast-growing districts
Jobs - major employers in Round Rock, Cedar Park, and Taylor
Newer homes - ongoing construction in master-planned communities
Parks and trails - the Brushy Creek and San Gabriel River trail systems
If you are considering a new build, our guide to new construction homes in Austin covers what to ask builders.
Williamson County is served by many districts, and the district matters as much as the city. See our pages for Round Rock ISD, Leander ISD, Georgetown ISD, Hutto ISD, Taylor ISD, Liberty Hill ISD, Jarrell ISD, Florence ISD, Granger ISD, and Pflugerville ISD. Check current results on TXschools.gov. For a wider comparison, see our best school districts in Austin guide and our tips for buying a home near a school.
Round Rock - a large suburb with Dell's headquarters, Old Settlers Park, and Dell Diamond
Cedar Park - a northwest suburb with shopping, trails, and the H-E-B Center
Leander - a fast-growing city with a MetroRail station and Old Town
Georgetown - the county seat, with a historic square and the Sun City active-adult community
Hutto and Taylor - eastern cities with new construction and growing industry
Liberty Hill, Jarrell, Florence, and Granger - smaller communities in the north and east
Trails and parks - the Brushy Creek Regional Trail and San Gabriel River parks
Lakes - Lake Georgetown and nearby Lake Travis
Downtown squares - Georgetown's square and Round Rock's Main Street
Shopping and dining - The Domain nearby, plus outlets and centers in Round Rock and Cedar Park
I-35, SH-130, US-183, SH-45, and Loop 1 (MoPac) connect the county to Austin, and Capital MetroRail serves Leander. Drive times depend heavily on rush hour. Cedar Park and Round Rock are roughly 18 to 20 miles from downtown Austin, Leander and Hutto are roughly 25 miles away, and Georgetown is roughly 30 miles away. Our Austin traffic and commute guide explains the corridors.
Confirm the zoned school district and campus for the exact address.
Ask about HOA dues and any MUD or PID charges, which are common in newer communities.
Ask about the property tax rate for the specific city and district, since the county rate is only one part of the bill.
Sellers can start with a free home value estimate. See also our Travis County page.
Where is Williamson County? Williamson County is in Central Texas, just north of Austin.
What is the county seat of Williamson County? Georgetown is the county seat.
What are the biggest cities in Williamson County? Round Rock, Cedar Park, Georgetown, Leander, Taylor, and Hutto are the main cities.
How big is Williamson County's population? The county had about 752,800 residents in 2025, according to the county fact sheet.
Is Williamson County growing? Yes. It ranked 9th among U.S. counties for population growth from 2024 to 2025, adding 23,814 residents.
What are the major employers in Williamson County? Dell, Apple, and Samsung are among the largest.
What school districts serve Williamson County? Round Rock ISD, Leander ISD, Georgetown ISD, Hutto ISD, Taylor ISD, and Liberty Hill ISD are among the largest. Confirm for any address.
How far is Williamson County from downtown Austin? It depends on the city. Round Rock and Cedar Park are roughly 18 to 20 miles away, and Georgetown is roughly 30 miles.
What is there to do in Williamson County? Trails, parks, historic squares, minor league baseball, and lake recreation are popular.
Is Williamson County good for families? Many families choose it for schools, parks, and newer homes. Compare campuses and commutes for your address.
Williamson County has very different markets from city to city, so local knowledge matters. A Spyglass Realty agent can help you compare cities, confirm school zoning, and time your move.
Thinking of selling? Get your home value
Buying in Williamson County? Start your search here
Have questions either way? Speak with a Spyglass Realty consultant
Prefer to talk it through first? Call us at 512-640-2077, and a Spyglass Realty agent can help you figure out the right next step in Williamson County.
