US Census Data

ZIP Code 11720

ZIP Code Tabulation Area in Suffolk County, New York.

Population
28,669
+0.8%’19–’23
Median household income
$128,015
+16.9%’19–’23
Median home value
$471,600
+35.6%’19–’23

ZIP Code 11720 (Suffolk County, New York) is home to about 28,669 residents. At $128,015, its median household income sits in line with Suffolk County's $128,329.

From 2019 to 2023, ZIP Code 11720's population held roughly steady from 28,454 to 28,669, while its median gross rent rose 13.9% from $2,087 to $2,377.

Owners occupy 85.7% of the area's occupied homes. The median resident is 38.9 years old.

Demographics

ACS 2019–2023
Population
28,669
Median age
38.9 yrs
Median household income
$128,015
Median home value
$471,600
Median gross rent
$2,377
Housing units
9,407
Homeownership rate
85.7%
Bachelor's degree or higher
35.3%
Unemployment rate
5.7%

Trends

ACS 5-year · 2019–2023
Population
28,45428,669
Median household income
$109,550$128,015
Median home value
$347,800$471,600
Median gross rent
$2,087$2,377
YearPopulationMedian household incomeMedian home valueMedian gross rent
201928,454$109,550$347,800$2,087
202028,773$109,720$359,500$2,050
202129,213$114,471$377,100$2,116
202229,193$123,603$438,500$2,299
202328,669$128,015$471,600$2,377

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 51,7456.1%
5 to 174,97217.3%
18 to 242,8279.9%
25 to 343,24611.3%
35 to 443,69612.9%
45 to 543,88913.6%
55 to 644,13614.4%
65 to 742,2457.8%
75 and over1,9136.7%

Race & ethnicity

CountShare
White (non-Hispanic)19,88469.4%
Black or African American1,6725.8%
American Indian & Alaska Native160.1%
Asian1,9446.8%
Native Hawaiian & Pacific Islander80.0%
Some other race2270.8%
Two or more races6492.3%
Hispanic or Latino (any race)4,26914.9%

Educational attainment (age 25+)

CountShare
No high school diploma1,4407.5%
High school graduate5,22927.3%
Some college or associate's5,69829.8%
Bachelor's degree3,34317.5%
Graduate or professional degree3,41517.9%

Commute to work

Mean travel time to work
32 min

How workers get to work

CountShare
Drove alone10,64277.2%
Carpooled1,0607.7%
Public transit3342.4%
Walked780.6%
Bicycle440.3%
Worked from home1,3399.7%
Other means2882.1%

Travel time

CountShare
Under 15 min2,58720.8%
15 to 29 min4,29234.5%
30 to 44 min2,73722.0%
45 to 59 min8677.0%
60+ min1,96315.8%

Households

Average household size
3.26
Poverty rate
5.1% (1,466 of 28,598)
CountShare
Family households7,13281.7%
Nonfamily households1,60218.3%

Housing

Median year structure built
1969

Occupancy

CountShare
Occupied8,73492.8%
Vacant6737.2%

Tenure (of occupied units)

CountShare
Owner-occupied7,48985.7%
Renter-occupied1,24514.3%

Units in structure

CountShare
1-unit, detached8,45189.8%
1-unit, attached1401.5%
2 to 4 units1421.5%
5 to 19 units2793.0%
20 or more units3303.5%
Mobile home & other650.7%

Geography

ZCTA
11720
Land area
8.24 sq mi
Water area
0 sq mi
Center point
40.8702, -73.0820

Counties this ZIP covers

1

Compare with nearby ZIP codes

6

National ZIP rankings

21

Nearby ZIP codes

16