11788 Zip Code

April 28, 2024

Zip Code:	11788
City/Town:	Smithtown
State:	New York

Population:	16,821
Per Capita Income:	$36,462
Mean Household Income:	$101,543

Total Housing Units:	5,830
Median Home Value:	$252,800
Median Year Homes Built:	1967

Land Area:	8.6 sq miles 22.2 sq kilometers
Water Area:	0.0 sq miles 0.0 sq kilometers

Population Information (11788 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Total Population:

16,821

Male:

8,296

49.3%

49.2%

Female:

8,525

50.7%

50.8%

Median Age:

41.8 yrs

37.2 yrs

Under 5 years:

891

5.3%

6.5%

5 to 9 years:

1,106

6.5%

6.6%

10 to 19 years:

2,430

14.4%

13.8%

20 to 29 years:

1,706

10.1%

13.8%

30 to 39 years:

1,750

10.4%

13.0%

40 to 49 years:

2,998

17.8%

14.2%

50 to 59 years:

2,374

14.1%

13.6%

60 to 69 years:

1,732

10.3%

9.4%

70 to 79 years:

1,232

7.3%

5.4%

80 years and over:

602

3.6%

3.7%

Housing Information (11788 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Median home value:

$252,800

$119,600

Median year homes build:

1967

1971

Median real estate taxes:

$4,562 / yr.

$1,334 / yr.

Median rent:

$1,082 / mo.

$519 / mo.

Total households:

5,830

Family households:

4,487

77.0%

66.4%

Nonfamily households:

1,343

23.0%

33.6%

Households with individuals under 18 years:

2,172

37.3%

33.4%

Households with individuals 65 years and over:

1,750

30.0%

24.9%

Average household size:

2.8

Average family size:

3.3

Total housing units:

6,009

Occupied housing units:

5,830

97.0%

88.6%

Vacant housing units:

179

3.0%

11.4%

For rent:

0.7%

3.1%

Rented, not occupied:

0.1%

0.2%

For sale only:

0.5%

1.4%

Sold, not occupied:

0.2%

0.3%

For seasonal, recreational, or occasional use:

0.8%

3.5%

All other vacants:

0.7%

2.8%

Homeowner vacancy rate:

0.7%

2.4%

Rental vacancy rate:

3.3%

9.2%

Owner-occupied housing units:

4,613

Population in owner-occupied housing units:

13,965

Average household size of owner-occupied units:

3.0

2.65

Renter-occupied housing units:

1,217

Population in renter-occupied housing units:

2,611

Average household size of renter-occupied units:

2.2

2.44

Educational Attainment (11788 zip code)

Number/Percent/U.S. Avg

Percent

U.S. Avg

Population 25 years and over

11,641

Less than 9th grade:

235

2.0%

6.2%

9th to 12th grade, no diploma:

651

5.6%

8.7%

High school graduate (includes equivalency):

3,110

26.7%

29.0%

Some college, no degree:

2,147

18.4%

20.6%

Associate degree:

973

8.4%

7.5%

Bachelor's degree:

2,706

23.2%

17.6%

Graduate or professional degree:

1,819

15.6%

10.3%

Percent high school graduate or higher:

92.4%

85.0%

Percent bachelor's degree or higher:

38.9%

27.9%

Income Information (11788 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:

6,075

36.1%

50.4%

Median income:

$47,168 / yr.

$27,932 / yr.

Full-time, year-round workers:

3,649

21.7%

59.7%

Median income:

$58,875 / yr.

$38,349 / yr.

Females 15 years and over with income:

5,696

33.9%

49.6%

Median income:

$23,709 / yr.

$16,327 / yr.

Full-time, year-round workers:

2,121

12.6%

40.3%

Median income:

$40,210 / yr.

$28,135 / yr.

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