78681   Zip Code Round Rock Williamson TX United States

City Round Rock
County Williamson
State Texas
Latitude 30.5355
Longitude -97.71981
Population 56,691
Density 2445.34 people per square mile
Time Zone America/Chicago
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $137,819
Median individual: $60,305

Race

Mode: 61.8% White

Gender

 51.3% male 

Rent

  $1963 / month  

Median house value: $505,140.0

Age

Median: 39.3 years old

Education

With at least college degree: 58.0%
With STEM degree: 51.3%

Marital Status

 58.2% married 

Never married: 27.8%

Labor Force Participation

 71.1% working 

Unemployed: 3.0%

Average Family Size

 3.23 people 

Commute Time

 23.6 minutes 

Health Care

 7.5% uninsured 

Poverty

 5.5%

All data comes from the SimpleMaps US Zips Comprehensive Database, February 2026.

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