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20818 Zip Code

April 19, 2024

Zip Code:	20818
City/Town:	Cabin John
State:	Maryland

Population:	1,962
Per Capita Income:	$64,991
Mean Household Income:	$159,108

Total Housing Units:	766
Median Home Value:	$356,100
Median Year Homes Built:	1967

Land Area:	1.0 sq miles 2.7 sq kilometers
Water Area:	0.4 sq miles 1.1 sq kilometers

Population Information (20818 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Total Population:

1,962

Male:

942

48.0%

49.2%

Female:

1,020

52.0%

50.8%

Median Age:

47.3 yrs

37.2 yrs

Under 5 years:

4.1%

6.5%

5 to 9 years:

136

6.0%

6.6%

10 to 19 years:

272

13.9%

13.8%

20 to 29 years:

123

6.3%

13.8%

30 to 39 years:

145

7.4%

13.0%

40 to 49 years:

327

16.7%

14.2%

50 to 59 years:

395

20.1%

13.6%

60 to 69 years:

313

16.0%

9.4%

70 to 79 years:

106

5.4%

80 years and over:

3.3%

3.7%

Housing Information (20818 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Median home value:

$356,100

$119,600

Median year homes build:

1967

1971

Median real estate taxes:

$3,547 / yr.

$1,334 / yr.

Median rent:

$1,111 / mo.

$519 / mo.

Total households:

766

Family households:

559

73.0%

66.4%

Nonfamily households:

207

27.0%

33.6%

Households with individuals under 18 years:

269

35.1%

33.4%

Households with individuals 65 years and over:

214

27.9%

24.9%

Average household size:

2.6

Average family size:

3.0

Total housing units:

789

Occupied housing units:

766

97.1%

88.6%

Vacant housing units:

2.9%

11.4%

For rent:

0.5%

3.1%

Rented, not occupied:

0.0%

0.2%

For sale only:

0.5%

1.4%

Sold, not occupied:

0.6%

0.3%

For seasonal, recreational, or occasional use:

0.4%

3.5%

All other vacants:

0.9%

2.8%

Homeowner vacancy rate:

0.6%

2.4%

Rental vacancy rate:

4.5%

9.2%

Owner-occupied housing units:

682

Population in owner-occupied housing units:

1,772

Average household size of owner-occupied units:

2.6

2.65

Renter-occupied housing units:

Population in renter-occupied housing units:

190

Average household size of renter-occupied units:

2.3

2.44

Educational Attainment (20818 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Population 25 years and over

1,325

Less than 9th grade:

2.4%

6.2%

9th to 12th grade, no diploma:

2.1%

8.7%

High school graduate (includes equivalency):

3.8%

29.0%

Some college, no degree:

141

10.6%

20.6%

Associate degree:

3.8%

7.5%

Bachelor's degree:

371

28.0%

17.6%

Graduate or professional degree:

652

49.2%

10.3%

Percent high school graduate or higher:

95.5%

85.0%

Percent bachelor's degree or higher:

77.2%

27.9%

Income Information (20818 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:

704

35.9%

50.4%

Median income:

$76,286 / yr.

$27,932 / yr.

Full-time, year-round workers:

441

22.5%

59.7%

Median income:

$93,646 / yr.

$38,349 / yr.

Females 15 years and over with income:

677

34.5%

49.6%

Median income:

$40,785 / yr.

$16,327 / yr.

Full-time, year-round workers:

245

12.5%

40.3%

Median income:

$66,726 / yr.

$28,135 / yr.

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