Checked
Selden, NY
Census-designated place in Suffolk County, New York. ZIP codes: 11784.
Population
21,604
Land area
4.5sq mi
People per sq mi
4,749
ZIP codes
1
Selden and its ZIP codes
Selden at a glance
- Selden is about 11 times as dense as New York as a whole.
- By population, it ranks 75th among 1,289 cities and towns in New York.
- The median household income is $108,952, 27% above the New York median of $85,974.
- A typical owner-occupied home is valued at $462,000 (9% above New York) and median rent is $2,311 a month.
Local data for Selden, NY
Counts from official public data
Housing and community stats
Selden, NY, American Community Survey 2020-2024
Median household income
$108,952
Poverty rate
6.7%
Median home value
$462,000
Median rent
$2,311/mo
Homeownership
84.6%
Bachelor's or higher
27.8%
Median age
39.1
Average commute
30.3 min
Largest reported origins and ancestries: Italian Americans (4,981), Irish Americans (3,495), German Americans (2,318).
Economy and federal money
Jobs, pay, income and spending are for Suffolk County. PPP loans are for Selden.
Unemployment rate
4.1%
Aug 2026, +0.1 pts in a year
Average annual pay
$81,119
689,858 jobs, 2025
Income per person
$92,113
BEA, 2024
Federal spending
$11.1B
FY 2026, $7,299 per person
PPP loans
$16.6M
506 loans, 2,820 jobs reported
How people get to work
Selden, NY, workers 16 and older. American Community Survey 5-year estimates
- Drove alone78.2%
- Carpooled8.5%
- Public transit2.6%
- Walked0.9%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.9%
- Worked from home8.9%
Average one-way commute: 30.3 minutes for people who do not work from home.
Environment and hazard risk
Selden, NY, from FEMA, NOAA and EPA
Natural hazard risk
Relatively High
Top: winter weather
Storm events since 1996
1,830
Countywide, mostly thunderstorm wind
Flood insurance policies
26,160
5.4% of homes, county
July high / Jan low
83° / 26°F
48.5 inches of rain a year
Health statistics
Share of adults in Selden, NY, CDC PLACES estimates
Obesity
30.1%
U.S. 33.3% -3.2 pts
Diabetes
9.7%
U.S. 12.1% -2.4 pts
Smoking
11.0%
U.S. 12.8% -1.8 pts
Uninsured (18-64)
7.3%
U.S. 11.1% -3.8 pts
ZIP codes in Selden
1 in or overlapping Selden. Population shown
Cities near Selden
| Name | Distance | Land area (sq mi) |
|---|---|---|
| CentereachCensus-designated place | 2 mi | 8.9 |
| CoramCensus-designated place | 2.2 mi | 13.8 |
| FarmingvilleCensus-designated place | 2.3 mi | 4.2 |
| TerryvilleCensus-designated place | 2.7 mi | 3.2 |
| Port Jefferson StationCensus-designated place | 3.6 mi | 2.6 |
| Lake GroveVillage | 3.9 mi | 2.9 |
| Gordon HeightsCensus-designated place | 4.1 mi | 1.7 |
| Lake RonkonkomaCensus-designated place | 4.2 mi | 4.5 |
| East SetauketCensus-designated place | 4.3 mi | 6 |
| HoltsvilleCensus-designated place | 4.3 mi | 7.1 |
| Stony Brook UniversityCensus-designated place | 4.5 mi | 1.6 |
| Mount SinaiCensus-designated place | 4.6 mi | 6 |
| MedfordCensus-designated place | 4.6 mi | 10.8 |
| Stony BrookCensus-designated place | 5.3 mi | 5.8 |
| HolbrookCensus-designated place | 5.3 mi | 6.9 |
| Port JeffersonVillage | 5.3 mi | 3.1 |
Frequently asked questions
- What county is Selden, NY in?
- Selden is in Suffolk County, New York.
- What ZIP codes are in Selden, NY?
- ZIP codes in or overlapping Selden include 11784.
- What is the population of Selden, NY?
- About 21,604 people live in Selden, based on American Community Survey 5-year estimates.
- What cities are near Selden?
- Nearby places include Centereach (2 mi), Coram (2.2 mi), Farmingville (2.3 mi), Terryville (2.7 mi), Port Jefferson Station (3.6 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023