21757   Zip Code Keymar Carroll MD United States

City Keymar
County Carroll
State Maryland
Latitude 39.59902
Longitude -77.25906
Population 2,810
Density 79.79 people per square mile
Time Zone America/New York
  • All demographic data comes from the 2023 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

< 5K> $150K05101520

Median household: $98,520
Median individual: $50,884

Race

WhiteOther

Mode: 92.2% White

Gender

 55.9% male 

Rent

  $1345 / month  

Median house value: $415,489.0

Age

0%2%4%6%8%10%12%14%16%18%10-1930s50s70s

Median: 42.2 years old

Education

< High SchoolHigh SchoolSome CollegeBachelorsGrad School

With at least college degree: 26.9%
With STEM degree: 62.1%

Marital Status

 56.2% married 

Never married: 27.0%

Labor Force Participation

 70.4% working 

Unemployed: 2.9%

Average Family Size

 3.01 people 

Commute Time

 33.5 minutes 

Health Care

 2.2% uninsured 

Poverty

 1.3%

All data comes from the SimpleMaps US Zips Comprehensive Database, January 2025.

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