20851   Zip Code Rockville Montgomery MD United States

City Rockville
County Montgomery
State Maryland
Latitude 39.07767
Longitude -77.12089
Population 14,946
Density 5896.63 people per square mile
Time Zone America/New York
  • 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: $126,411
Median individual: $51,253

Race

Mode: 30.7% White

Gender

 50.5% male 

Rent

  $2043 / month  

Median house value: $560,943.0

Age

Median: 38.6 years old

Education

With at least college degree: 46.2%
With STEM degree: 55.1%

Marital Status

 46.3% married 

Never married: 36.4%

Labor Force Participation

 76.5% working 

Unemployed: 3.0%

Average Family Size

 3.19 people 

Commute Time

 31.8 minutes 

Health Care

 10.0% uninsured 

Poverty

 9.1%

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

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