21057 Zip Code

April 19, 2024

Zip Code:	21057
City/Town:	Glen Arm
State:	Maryland

Population:	4,112
Per Capita Income:	$42,180
Mean Household Income:	$116,901

Total Housing Units:	1,578
Median Home Value:	$244,700
Median Year Homes Built:	1968

Land Area:	16.8 sq miles 43.5 sq kilometers
Water Area:	0.5 sq miles 1.2 sq kilometers

Population Information (21057 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Total Population:

4,112

Male:

2,036

49.5%

49.2%

Female:

2,076

50.5%

50.8%

Median Age:

49.9 yrs

37.2 yrs

Under 5 years:

152

3.7%

6.5%

5 to 9 years:

211

8.8%

6.6%

10 to 19 years:

617

15.0%

13.8%

20 to 29 years:

259

6.3%

13.8%

30 to 39 years:

276

6.7%

13.0%

40 to 49 years:

548

13.3%

14.2%

50 to 59 years:

760

18.5%

13.6%

60 to 69 years:

568

13.8%

9.4%

70 to 79 years:

333

8.1%

5.4%

80 years and over:

388

9.4%

3.7%

Housing Information (21057 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Median home value:

$244,700

$119,600

Median year homes build:

1968

1971

Median real estate taxes:

$2,587 / yr.

$1,334 / yr.

Median rent:

$1,281 / mo.

$519 / mo.

Total households:

1,578

Family households:

1,187

75.2%

66.4%

Nonfamily households:

391

24.8%

33.6%

Households with individuals under 18 years:

423

26.8%

33.4%

Households with individuals 65 years and over:

649

41.1%

24.9%

Average household size:

2.5

Average family size:

2.9

Total housing units:

1,695

Occupied housing units:

1,578

93.1%

88.6%

Vacant housing units:

117

6.9%

11.4%

For rent:

0.4%

3.1%

Rented, not occupied:

0.1%

0.2%

For sale only:

3.3%

1.4%

Sold, not occupied:

0.4%

0.3%

For seasonal, recreational, or occasional use:

0.8%

3.5%

All other vacants:

1.9%

2.8%

Homeowner vacancy rate:

3.9%

2.4%

Rental vacancy rate:

3.1%

9.2%

Owner-occupied housing units:

1,391

Population in owner-occupied housing units:

3,666

Average household size of owner-occupied units:

2.6

2.65

Renter-occupied housing units:

187

Population in renter-occupied housing units:

301

Average household size of renter-occupied units:

1.6

2.44

Educational Attainment (21057 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Population 25 years and over

2,849

Less than 9th grade:

2.7%

6.2%

9th to 12th grade, no diploma:

141

4.9%

8.7%

High school graduate (includes equivalency):

671

23.6%

29.0%

Some college, no degree:

534

18.7%

20.6%

Associate degree:

150

5.3%

7.5%

Bachelor's degree:

648

22.7%

17.6%

Graduate or professional degree:

628

22.0%

10.3%

Percent high school graduate or higher:

92.3%

85.0%

Percent bachelor's degree or higher:

44.8%

27.9%

Income Information (21057 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Mean household income:

$0 / yr.

$70,883

Per capita income:

$0 / yr.

$27,334

Males 15 years and over with income:

1,436

34.9%

50.4%

Median income:

$42,903 / yr.

$27,932 / yr.

Full-time, year-round workers:

855

20.8%

59.7%

Median income:

$61,172 / yr.

$38,349 / yr.

Females 15 years and over with income:

1,442

35.1%

49.6%

Median income:

$23,158 / yr.

$16,327 / yr.

Full-time, year-round workers:

428

10.4%

40.3%

Median income:

$46,700 / yr.

$28,135 / yr.

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