21661 Zip Code

April 24, 2024

Zip Code:	21661
City/Town:	Rock Hall
State:	Maryland

Population:	2,653
Per Capita Income:	$23,163
Mean Household Income:	$48,312

Total Housing Units:	1,226
Median Home Value:	$94,800
Median Year Homes Built:	1955

Land Area:	32.4 sq miles 84.0 sq kilometers
Water Area:	22.0 sq miles 56.9 sq kilometers

Population Information (21661 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Total Population:

2,653

Male:

1,264

47.6%

49.2%

Female:

1,389

52.4%

50.8%

Median Age:

52.3 yrs

37.2 yrs

Under 5 years:

114

4.3%

6.5%

5 to 9 years:

135

4.3%

6.6%

10 to 19 years:

241

9.1%

13.8%

20 to 29 years:

202

7.6%

13.8%

30 to 39 years:

208

7.8%

13.0%

40 to 49 years:

332

12.5%

14.2%

50 to 59 years:

440

16.6%

13.6%

60 to 69 years:

502

18.9%

9.4%

70 to 79 years:

260

9.8%

5.4%

80 years and over:

219

8.3%

3.7%

Housing Information (21661 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Median home value:

$94,800

$119,600

Median year homes build:

1955

1971

Median real estate taxes:

$881 / yr.

$1,334 / yr.

Median rent:

$337 / mo.

$519 / mo.

Total households:

1,226

Family households:

773

63.1%

66.4%

Nonfamily households:

453

36.9%

33.6%

Households with individuals under 18 years:

257

21.0%

33.4%

Households with individuals 65 years and over:

523

42.7%

24.9%

Average household size:

2.2

Average family size:

2.7

Total housing units:

1,792

Occupied housing units:

1,226

68.4%

88.6%

Vacant housing units:

566

31.6%

11.4%

For rent:

2.0%

3.1%

Rented, not occupied:

0.2%

For sale only:

2.6%

1.4%

Sold, not occupied:

0.6%

0.3%

For seasonal, recreational, or occasional use:

412

23.0%

3.5%

All other vacants:

3.1%

2.8%

Homeowner vacancy rate:

4.7%

2.4%

Rental vacancy rate:

11.2%

9.2%

Owner-occupied housing units:

945

Population in owner-occupied housing units:

2,030

Average household size of owner-occupied units:

2.2

2.65

Renter-occupied housing units:

281

Population in renter-occupied housing units:

602

Average household size of renter-occupied units:

2.1

2.44

Educational Attainment (21661 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Population 25 years and over

2,115

Less than 9th grade:

129

6.1%

6.2%

9th to 12th grade, no diploma:

396

18.7%

8.7%

High school graduate (includes equivalency):

879

41.6%

29.0%

Some college, no degree:

313

14.8%

20.6%

Associate degree:

3.9%

7.5%

Bachelor's degree:

180

8.5%

17.6%

Graduate or professional degree:

136

6.4%

10.3%

Percent high school graduate or higher:

75.2%

85.0%

Percent bachelor's degree or higher:

14.9%

27.9%

Income Information (21661 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:

1,050

39.6%

50.4%

Median income:

$25,133 / yr.

$27,932 / yr.

Full-time, year-round workers:

453

17.1%

59.7%

Median income:

$30,259 / yr.

$38,349 / yr.

Females 15 years and over with income:

1,082

40.8%

49.6%

Median income:

$13,712 / yr.

$16,327 / yr.

Full-time, year-round workers:

348

13.1%

40.3%

Median income:

$24,531 / yr.

$28,135 / yr.

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