City in Texas
Round Rock, TX
- Population
- 135,359 (2024)
- Density
- 3,505 / sq mi
- Land area
- 38.6 sq mi
- Water area
- 0.4 sq mi
- Coordinates
- 30.5261, -97.6635
Resident reviews
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ZIP codes
- 78664
- 78665
- 78681
- 78728