Williamson County, Texas Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Round Rock1133,691120,5492.52%3,52637.9City
Georgetown2105,49968,7499.54%1,81458.1City
Cedar Park377,34578,027-0.22%3,02125.6City
Hutto442,32628,0819.19%3,03713.9City
Taylor517,63616,4391.73%78222.5City
Liberty Hill612,6393,79421.2%2,7274.6City
Sonterra79,4293,9127.69%3,9872.4CDP
Jarrell84,7051,80418.22%1,3163.6City
Serenada91,7041,4150.24%7912.2CDP
Florence101,2091,1850.5%1,3240.9City
Granger111,1961,1840.25%1,7930.7City
Thrall128798231.62%1,8900.5City
Weir137307040.83%4011.8City
Coupland142972880.68%1541.9City

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Williamson County, Texas?

Round Rock is the largest city in Williamson County.

What is the smallest city in Williamson County, Texas?

Coupland is the smallest city in Williamson County.

How many cities are in Williamson County?

There are 14 cities in Williamson County, Texas.

Frequently Asked Questions