21723 Zip Code

April 20, 2024

Zip Code:	21723
City/Town:	Cooksville
State:	Maryland

Population:	803
Per Capita Income:	$44,350
Mean Household Income:	$123,520

Total Housing Units:	242
Median Home Value:	$306,400
Median Year Homes Built:	1977

Land Area:	3.1 sq miles 7.9 sq kilometers
Water Area:	0.0 sq miles 0.1 sq kilometers

Population Information (21723 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Total Population:

803

Male:

401

49.9%

49.2%

Female:

402

50.1%

50.8%

Median Age:

38.7 yrs

37.2 yrs

Under 5 years:

5.1%

6.5%

5 to 9 years:

7.7%

6.6%

10 to 19 years:

173

21.5%

13.8%

20 to 29 years:

4.2%

13.8%

30 to 39 years:

10.0%

13.0%

40 to 49 years:

185

23.0%

14.2%

50 to 59 years:

12.3%

13.6%

60 to 69 years:

8.1%

9.4%

70 to 79 years:

2.5%

5.4%

80 years and over:

1.7%

3.7%

Housing Information (21723 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Median home value:

$306,400

$119,600

Median year homes build:

1977

1971

Median real estate taxes:

$2,648 / yr.

$1,334 / yr.

Median rent:

$575 / mo.

$519 / mo.

Total households:

242

Family households:

216

89.3%

66.4%

Nonfamily households:

10.7%

33.6%

Households with individuals under 18 years:

138

57.0%

33.4%

Households with individuals 65 years and over:

18.2%

24.9%

Average household size:

3.3

Average family size:

3.6

Total housing units:

252

Occupied housing units:

242

96.0%

88.6%

Vacant housing units:

4.0%

11.4%

For rent:

0.4%

3.1%

Rented, not occupied:

0.0%

0.2%

For sale only:

1.6%

1.4%

Sold, not occupied:

0.0%

0.3%

For seasonal, recreational, or occasional use:

0.8%

3.5%

All other vacants:

1.2%

2.8%

Homeowner vacancy rate:

1.7%

2.4%

Rental vacancy rate:

8.3%

9.2%

Owner-occupied housing units:

231

Population in owner-occupied housing units:

782

Average household size of owner-occupied units:

3.4

2.65

Renter-occupied housing units:

Population in renter-occupied housing units:

Average household size of renter-occupied units:

1.9

2.44

Educational Attainment (21723 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Population 25 years and over

222

Less than 9th grade:

0.0%

6.2%

9th to 12th grade, no diploma:

2.7%

8.7%

High school graduate (includes equivalency):

20.3%

29.0%

Some college, no degree:

20.7%

20.6%

Associate degree:

4.1%

7.5%

Bachelor's degree:

39.6%

17.6%

Graduate or professional degree:

12.6%

10.3%

Percent high school graduate or higher:

97.3%

85.0%

Percent bachelor's degree or higher:

52.3%

27.9%

Income Information (21723 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:

107

13.3%

50.4%

Median income:

$70,096 / yr.

$27,932 / yr.

Full-time, year-round workers:

12.2%

59.7%

Median income:

$70,962 / yr.

$38,349 / yr.

Females 15 years and over with income:

141

17.6%

49.6%

Median income:

$28,393 / yr.

$16,327 / yr.

Full-time, year-round workers:

101

12.6%

40.3%

Median income:

$35,536 / yr.

$28,135 / yr.

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