ZIP Code 11721
ZIP Code Tabulation Area in Suffolk County, New York.
- Population
- 6,620
- Median household income
- $206,250
- Median home value
- $704,900
+5.3%’19–’23
+45.3%’19–’23
+17.0%’19–’23
ZIP Code 11721 is a ZIP Code Tabulation Area in Suffolk County, New York, home to about 6,620 residents. The median household income of $206,250 is above the Suffolk County median ($128,329).
Between 2019 and 2023, ZIP Code 11721's population grew 5.3% from 6,288 to 6,620, while its median gross rent rose 74.2% from $1,848 to $3,220.
64.8% of workers drive to work alone. 95.0% of homes are single-family detached houses.
Demographics
ACS 2019–2023- Population
- 6,620
- Median age
- 49.6 yrs
- Median household income
- $206,250
- Median home value
- $704,900
- Median gross rent
- $3,220
- Housing units
- 2,497
- Homeownership rate
- 96.0%
- Bachelor's degree or higher
- 72.1%
- Unemployment rate
- 6.9%
Trends
ACS 5-year · 2019–20236,2886,620
$141,976$206,250
$602,400$704,900
$1,848$3,220
| Year | Population | Median household income | Median home value | Median gross rent |
|---|---|---|---|---|
| 2019 | 6,288 | $141,976 | $602,400 | $1,848 |
| 2020 | 6,258 | $154,144 | $644,600 | $2,302 |
| 2021 | 6,409 | $177,179 | $678,000 | $3,121 |
| 2022 | 6,569 | $204,048 | $720,000 | $2,950 |
| 2023 | 6,620 | $206,250 | $704,900 | $3,220 |
Each year is a US Census Bureau ACS 5-year estimate ending that year.
Age distribution
Under 54.7%
5 to 1715.4%
18 to 245.1%
25 to 3410.5%
35 to 448.1%
45 to 5421.2%
55 to 6417.2%
65 to 7412.2%
75 and over5.6%
| Count | Share | |
|---|---|---|
| Under 5 | 310 | 4.7% |
| 5 to 17 | 1,020 | 15.4% |
| 18 to 24 | 335 | 5.1% |
| 25 to 34 | 696 | 10.5% |
| 35 to 44 | 537 | 8.1% |
| 45 to 54 | 1,404 | 21.2% |
| 55 to 64 | 1,141 | 17.2% |
| 65 to 74 | 805 | 12.2% |
| 75 and over | 372 | 5.6% |
Race & ethnicity
| Count | Share | |
|---|---|---|
| White (non-Hispanic) | 5,544 | 83.7% |
| Black or African American | 116 | 1.8% |
| American Indian & Alaska Native | 0 | 0.0% |
| Asian | 180 | 2.7% |
| Native Hawaiian & Pacific Islander | 0 | 0.0% |
| Some other race | 254 | 3.8% |
| Two or more races | 146 | 2.2% |
| Hispanic or Latino (any race) | 380 | 5.7% |
Educational attainment (age 25+)
No high school diploma1.4%
High school graduate8.8%
Some college or associate's17.8%
Bachelor's degree41.5%
Graduate or professional degree30.6%
| Count | Share | |
|---|---|---|
| No high school diploma | 67 | 1.4% |
| High school graduate | 435 | 8.8% |
| Some college or associate's | 880 | 17.8% |
| Bachelor's degree | 2,055 | 41.5% |
| Graduate or professional degree | 1,518 | 30.6% |
Commute to work
- Mean travel time to work
- 36 min
Drove alone64.8%
Carpooled1.9%
Public transit16.1%
Walked0.7%
Bicycle0.0%
Worked from home15.7%
Other means0.8%
How workers get to work
| Count | Share | |
|---|---|---|
| Drove alone | 2,375 | 64.8% |
| Carpooled | 69 | 1.9% |
| Public transit | 592 | 16.1% |
| Walked | 24 | 0.7% |
| Bicycle | 0 | 0.0% |
| Worked from home | 577 | 15.7% |
| Other means | 30 | 0.8% |
Travel time
| Count | Share | |
|---|---|---|
| Under 15 min | 603 | 19.5% |
| 15 to 29 min | 712 | 23.0% |
| 30 to 44 min | 1,106 | 35.8% |
| 45 to 59 min | 170 | 5.5% |
| 60+ min | 499 | 16.1% |
Households
- Average household size
- 2.72
- Poverty rate
- 5.5% (367 of 6,620)
| Count | Share | |
|---|---|---|
| Family households | 1,905 | 78.2% |
| Nonfamily households | 531 | 21.8% |
Housing
- Median year structure built
- 1958
Occupancy
| Count | Share | |
|---|---|---|
| Occupied | 2,436 | 97.6% |
| Vacant | 61 | 2.4% |
Tenure (of occupied units)
| Count | Share | |
|---|---|---|
| Owner-occupied | 2,338 | 96.0% |
| Renter-occupied | 98 | 4.0% |
1-unit, detached95.0%
1-unit, attached3.6%
2 to 4 units0.7%
5 to 19 units0.0%
20 or more units0.8%
Mobile home & other0.0%
Units in structure
| Count | Share | |
|---|---|---|
| 1-unit, detached | 2,371 | 95.0% |
| 1-unit, attached | 89 | 3.6% |
| 2 to 4 units | 18 | 0.7% |
| 5 to 19 units | 0 | 0.0% |
| 20 or more units | 19 | 0.8% |
| Mobile home & other | 0 | 0.0% |
Geography
- ZCTA
- 11721
- Land area
- 2.51 sq mi
- Water area
- 1.44 sq mi
- Center point
- 40.9024, -73.3714
Counties this ZIP covers
1Compare with nearby ZIP codes
6National ZIP rankings
21- Largest by population
- Most densely populated
- Highest median household income
- Highest median home value
- Most affordable home values
- Highest median gross rent
- Cheapest median gross rent
- Oldest by median age
- Youngest by median age
- Most college-educated
- Highest poverty rate
- Lowest poverty rate
- Highest homeownership rate
- Lowest homeownership rate
- Longest commutes
- Shortest commutes
- Largest households
- Newest housing
- Oldest housing
- Fastest-growing (2019–2023)
- Fastest-shrinking (2019–2023)