21758   Zip Code Knoxville Washington MD United States

City Knoxville
County Washington
State Maryland
Latitude 39.34567
Longitude -77.66265
Population 4,409
Density 137.82 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.
Download the data

Household Income

Median household: $111,528
Median individual: $59,332

Race

Mode: 81.3% White

Gender

 51.5% male 

Rent

  $1770 / month  

Median house value: $414,086.0

Age

Median: 39.0 years old

Education

With at least college degree: 43.7%
With STEM degree: 46.8%

Marital Status

 58.5% married 

Never married: 24.2%

Labor Force Participation

 70.8% working 

Unemployed: 8.5%

Average Family Size

 3.18 people 

Commute Time

 36.1 minutes 

Health Care

 7.3% uninsured 

Poverty

 5.9%

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

Home (Maps) | Database License | Privacy | Database Releases | Database Order Lookup | Resources | Contact | FAQs
SimpleMaps.com is a product of Pareto Software, LLC. © 2010-2026.