Round Rock
City in Williamson County, Texas

Round Rock is a city in Williamson County, Texas, with 119,468 residents (2020 Census). It sits at 735 ft (224 m) above sea level. The nearest town is Brushy Creek, 4.8 miles W.
- 119,468residents (2020 Census)
- 735 ftelevation · 224 m
- 39.1 sq miland area · 101.2 km²
- 3,057 / sq mipopulation density
- 78664main ZIP code (3 in total)
About Round Rock
Round Rock is a city in Williamson and Travis counties in the U.S. state of Texas. The population was 119,468 at the 2020 census. It is part of the Greater Austin metropolitan area.
The city straddles the Balcones Escarpment, a fault line in which the areas roughly east of I-35 are flat and characterized by having black, fertile soils of the Blackland Prairie, and the west side of the Escarpment, which consists mostly of hilly, karst-like terrain with little topsoil and higher elevations and which is part of the Texas Hill Country. Located about 15 miles (24 km) north of Austin, Round Rock shares a common border with Austin near State Highway 45.
Round Rock is the international headquarters of Dell, which employs about 16,000 people at its Round Rock facilities. Retailers in Round Rock include IKEA, Premium Outlets, and the mixed-use La Frontera center.
Text: Wikipedia · CC BY-SA 4.0
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Living in Round Rock
- Median household income
- $99,287
- Median home value
- $418,600
- Median rent
- $1,763/mo
- Median age
- 36.2
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Map of Round Rock
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Open in Google Maps ›Round Rock, TX population
Round Rock had 119,468 residents in the 2020 Census.
| 2020 Census | 119,468 |
|---|---|
| Density | 3,057 per sq mi (1,180 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Round Rock at a glance
| State | Texas (TX) |
|---|---|
| County | Williamson County |
| Type | City |
| Population | 119,468 (2020) |
| Land area | 39.08 sq mi (101.2 km²) |
| Water area | 0.36 sq mi (0.92 km²) |
| Elevation | 735 ft (224 m) |
| Coordinates | 30.5268° N, 97.6601° W |
| ZIP codes | 78664, 78665, 78681 |
| Official website | roundrocktexas.gov |
| Census code (GEOID) | 4863500 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Round Rock
- Brushy Creek4.8 mi W
- Wells Branch5.9 mi S
- Pflugerville6.5 mi SE
- Hutto7.0 mi E
- Cedar Park9.5 mi W
- Georgetown10.0 mi N
- Weir11.1 mi N
- Leander12.5 mi W
- Serenada13.0 mi N
- Manor13.4 mi SE
- Santa Rita Ranch13.9 mi NW
- Taylor14.0 mi E
Straight-line distance between town centers.
Frequently asked questions about Round Rock
What county is Round Rock in?
Round Rock is in Williamson County, Texas.
What is the population of Round Rock, TX?
119,468 people lived in Round Rock at the 2020 Census.
What is the ZIP code of Round Rock, TX?
The main ZIP code is 78664. Other ZIP codes: 78665, 78681.
What is the elevation of Round Rock?
735 feet (224 m) above sea level.
What towns are near Round Rock?
Brushy Creek (4.8 mi), Wells Branch (5.9 mi), Pflugerville (6.5 mi), Hutto (7.0 mi), Cedar Park (9.5 mi).
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