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ZIP Code 21890

Primary City:Westover, MD (View All Cities)
Organization:Eastern Correctional Inst, Easton Correctional Inst
ZIP Type: Unique
County: Somerset County
Timezone: Eastern (8:19am)
Area code: 410 (Area Code Map)
Coordinates:38.121, -75.707
ZIP (~200 yard radius)

Cities in ZIP code 21890

The cities below are at least partially located in ZIP code 21890. In addition to the primary city for a ZIP code, USPS also publishes a list of other acceptable cities that can be used with ZIP code 21890. However, if you are mailing something to ZIP code 21890, you should not use any of the cities listed as unacceptable. Choose from the primary or acceptable cities when mailing your package or letter.

Primary city:
Westover, MD
Eastern Correctional Inst, Easton Correctional Inst

Stats and Demographics for the 21890 ZIP Code

ZIP code 21890 is located in southeast Maryland and covers a slightly less than average land area compared to other ZIP codes in the United States. It also has an extremely large population density.

The people living in ZIP code 21890 are primarily black or African American. The number of people in their late 20s to early 40s is extremely large while the number of seniors is extremely small. The percentage of children under 18 living in the 21890 ZIP code is extremely small compared to other areas of the country.

Population 3,240
Population Density 24,508 people per sq mi
Housing Units 0
Land Area 0.13 sq mi
Water Area 0.00 sq mi
Occupied Housing Units 0

Total Population by Age

Median Age: 36Male Median Age: 36Female Median Age: 34

Under 55-910-1415-1920-2425-2930-3435-3940-4445-4950-5455-5960-6465-6970-7475-7980-8485 Plus


 Male 3,238 99.9%
 Female 2 0.1%


 White 830 25.6%
 Black Or African American 2,399 74.0%
 American Indian Or Alaskan Native 1 0.0%
 Asian 2 0.1%
 Native Hawaiian & Other Pacific Islander 0 0.0%
 Other Race 2 0.1%
 Two Or More Races 6 0.2%

Children by Age


Real Estate and Housing

Housing Type

 In Occupied Housing Units 0 0%
 Correctional Facility For Adults 3,240 100%
 Juvenile Facilities 0 0%
 Nursing Facilities 0 0%
 Other Institutional 0 0%
 College Student Housing 0 0%
 Military Quarters 0 0%
 Other Noninstitutional 0 0%
Housing Type

Employment, Income, Earnings, and Work

Employment Status

 Worked Full-time with Earnings 43 1%
 Worked Part-time with Earnings 230 8%
 No Earnings 2,629 91%
Employment Status

Annual Individual Earnings

Source of Earnings

 Worked Full-time with Earnings 43 1%
 Worked Part-time with Earnings 230 8%
 No Earnings 2,629 91%
Source of Earnings

Schools and Education

The percentage of people that did not graduate high school is among the highest in the nation. A very small percentage of people in the area attended and graduated college.

Educational Attainment For The Population 25 Years And Over

 Less than High School Diploma 753 31.8%
 High School Graduate 1,473 62.2%
 Associate's degree 43 1.8%
 Bachelor's degree 16 0.7%
 Master's degree 46 1.9%
 Professional school degree 23 1.0%
 Doctorate degree 16 0.7%
Educational Attainment For The Population 25 Years And Over

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