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20850 Zip Code

April 20, 2024

Zip Code:	20850
City/Town:	Rockville
State:	Maryland

Population:	46,340
Per Capita Income:	$41,887
Mean Household Income:	$108,875

Total Housing Units:	18,088
Median Home Value:	$255,700
Median Year Homes Built:	1976

Land Area:	14.1 sq miles 36.5 sq kilometers
Water Area:	0.1 sq miles 0.2 sq kilometers

Population Information (20850 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Total Population:

46,340

Male:

21,956

47.4%

49.2%

Female:

24,384

52.6%

50.8%

Median Age:

39.3 yrs

37.2 yrs

Under 5 years:

2,790

6.0%

6.5%

5 to 9 years:

2,964

5.5%

6.6%

10 to 19 years:

5,381

11.6%

13.8%

20 to 29 years:

5,713

12.3%

13.8%

30 to 39 years:

6,888

14.9%

13.0%

40 to 49 years:

7,563

16.3%

14.2%

50 to 59 years:

6,263

13.5%

13.6%

60 to 69 years:

4,275

9.2%

9.4%

70 to 79 years:

2,417

5.2%

5.4%

80 years and over:

2,086

4.5%

3.7%

Housing Information (20850 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Median home value:

$255,700

$119,600

Median year homes build:

1976

1971

Median real estate taxes:

$3,042 / yr.

$1,334 / yr.

Median rent:

$911 / mo.

$519 / mo.

Total households:

18,088

Family households:

11,792

65.2%

66.4%

Nonfamily households:

6,296

34.8%

33.6%

Households with individuals under 18 years:

5,926

32.8%

33.4%

Households with individuals 65 years and over:

4,151

22.9%

24.9%

Average household size:

2.5

Average family size:

3.1

Total housing units:

19,085

Occupied housing units:

18,088

94.8%

88.6%

Vacant housing units:

997

5.2%

11.4%

For rent:

347

1.8%

3.1%

Rented, not occupied:

0.2%

For sale only:

164

0.9%

1.4%

Sold, not occupied:

0.3%

For seasonal, recreational, or occasional use:

173

0.9%

3.5%

All other vacants:

216

1.1%

2.8%

Homeowner vacancy rate:

1.5%

2.4%

Rental vacancy rate:

4.6%

9.2%

Owner-occupied housing units:

10,967

Population in owner-occupied housing units:

29,142

Average household size of owner-occupied units:

2.7

2.65

Renter-occupied housing units:

7,121

Population in renter-occupied housing units:

15,938

Average household size of renter-occupied units:

2.2

2.44

Educational Attainment (20850 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Population 25 years and over

22,934

Less than 9th grade:

842

3.7%

6.2%

9th to 12th grade, no diploma:

1,086

4.7%

8.7%

High school graduate (includes equivalency):

3,160

13.8%

29.0%

Some college, no degree:

3,359

14.6%

20.6%

Associate degree:

1,037

4.5%

7.5%

Bachelor's degree:

6,309

27.5%

17.6%

Graduate or professional degree:

7,141

31.1%

10.3%

Percent high school graduate or higher:

91.6%

85.0%

Percent bachelor's degree or higher:

58.6%

27.9%

Income Information (20850 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:

10,985

23.7%

50.4%

Median income:

$50,338 / yr.

$27,932 / yr.

Full-time, year-round workers:

6,967

15.0%

59.7%

Median income:

$67,121 / yr.

$38,349 / yr.

Females 15 years and over with income:

12,292

26.5%

49.6%

Median income:

$27,189 / yr.

$16,327 / yr.

Full-time, year-round workers:

5,412

11.7%

40.3%

Median income:

$42,474 / yr.

$28,135 / yr.

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