Round Rock, Texas
Round Rock is a city in Williamson County, Texas, with an estimated population of 130,406 in 2023. It sits at 30.5268, -97.6601 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Round Rock |
| Type | city |
| State | Texas (TX) |
| County | Williamson County |
| Population (2023 est.) | 130,406 |
| Land area | 37.92 sq mi (98.21 km²) |
| Coordinates | 30.5268, -97.6601 |
| Time zone | America/Chicago |
| ZIP codes | 78664, 78665, 78680, 78681, 78682, 78683 |
| Telephone area codes | 512, 737 |
This place also extends into Travis County.
ZIP codes and area codes for Round Rock
Round Rock covers 6 ZIP codes: 78664, 78665, 78680, 78681, 78682, 78683. Telephone area codes serving the area: 512, 737. Browse all ZIP codes in Texas for the full list.
Where is Round Rock?
Round Rock is located in Texas, in Williamson County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Pflugerville 10 km · TXHutto 11 km · TXCedar Park 15 km · TXGeorgetown 16 km · TXWeir 18 km · TXLeander 20 km · TXManor 22 km · TXTaylor 23 km · TX
Other places in Williamson County
Georgetown 96,312Leander 80,067Cedar Park 77,516Hutto 38,765Taylor 17,337Liberty Hill 10,428Jarrell 3,980Bartlett 1,616Florence 1,203Granger 1,193
Related
Frequently asked questions
What county is Round Rock, TX in?
Round Rock is in Williamson County, Texas.
What is the population of Round Rock, TX?
The 2023 Census Bureau estimate is 130,406.
What time zone is Round Rock in?
Round Rock is in the America/Chicago time zone.