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St. James, NY
Census-designated place in Suffolk County, New York. ZIP codes: 11780.
Population
13,244
Land area
4.6sq mi
People per sq mi
2,902
ZIP codes
1
St. James and its ZIP codes
St. James at a glance
- St. James is about 6.9 times as dense as New York as a whole.
- By population, it ranks 152nd among 1,289 cities and towns in New York.
- The median household income is $142,368, 66% above the New York median of $85,974.
- A typical owner-occupied home is valued at $652,700 (54% above New York) and median rent is $2,218 a month.
Local data for St. James, NY
Counts from official public data
Housing and community stats
St. James, NY, American Community Survey 2020-2024
Median household income
$142,368
Poverty rate
3.3%
Median home value
$652,700
Median rent
$2,218/mo
Homeownership
87.7%
Bachelor's or higher
49.7%
Median age
47.4
Average commute
29.4 min
Largest reported origins and ancestries: Italian Americans (3,549), Irish Americans (2,612), German Americans (1,644).
Economy and federal money
Jobs, pay, income and spending are for Suffolk County. PPP loans are for St. James.
Unemployment rate
3.8%
Sep 2026, +0.2 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
How people get to work
St. James, NY, workers 16 and older. American Community Survey 5-year estimates
- Drove alone79.3%
- Carpooled3.7%
- Public transit4.0%
- Walked1.4%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.7%
- Worked from home11.0%
Average one-way commute: 29.4 minutes for people who do not work from home.
Environment and hazard risk
St. James, 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
Health statistics
Share of adults in St. James, NY, CDC PLACES estimates
Obesity
26.9%
U.S. 33.3% -6.4 pts
Diabetes
8.9%
U.S. 12.1% -3.2 pts
Smoking
8.0%
U.S. 12.8% -4.8 pts
Uninsured (18-64)
4.2%
U.S. 11.1% -6.9 pts
ZIP codes in St. James
1 in or overlapping St. James. Population shown
Cities near St. James
| Name | Distance | Land area (sq mi) |
|---|---|---|
| Head of the HarborVillage | 1.2 mi | 2.8 |
| Stony BrookCensus-designated place | 2 mi | 5.8 |
| Lake GroveVillage | 2.1 mi | 2.9 |
| Stony Brook UniversityCensus-designated place | 2.5 mi | 1.6 |
| NesconsetCensus-designated place | 2.5 mi | 3.8 |
| Village of the BranchVillage | 2.6 mi | 1 |
| NissequogueVillage | 3 mi | 3.8 |
| CentereachCensus-designated place | 3.5 mi | 8.9 |
| SmithtownCensus-designated place | 3.7 mi | 11.9 |
| East SetauketCensus-designated place | 3.8 mi | 6 |
| Lake RonkonkomaCensus-designated place | 4.2 mi | 4.5 |
| SetauketCensus-designated place | 4.8 mi | 2.5 |
| HauppaugeCensus-designated place | 5.1 mi | 10.2 |
| Port Jefferson StationCensus-designated place | 5.2 mi | 2.6 |
| RonkonkomaCensus-designated place | 5.2 mi | 8.1 |
| Kings ParkCensus-designated place | 5.2 mi | 6.7 |
Frequently asked questions
- What county is St. James, NY in?
- St. James is in Suffolk County, New York.
- What ZIP codes are in St. James, NY?
- ZIP codes in or overlapping St. James include 11780.
- What is the population of St. James, NY?
- About 13,244 people live in St. James, based on American Community Survey 5-year estimates.
- What cities are near St. James?
- Nearby places include Head of the Harbor (1.2 mi), Stony Brook (2 mi), Lake Grove (2.1 mi), Stony Brook University (2.5 mi), Nesconset (2.5 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023