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zipcodes.pro — CITY/NY/ST-JAMES

St. James ZIP code, New York

The ZIP code for St. James, NY is 11780, and its area codes are 631 and 934.

USPS city name
1 ZIP code
Overlapping the city
2 more
Population
13,244
Area codes
631, 934

Also written Saint James, the spelling the Postal Service uses.

Mail addressed to St. James uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

St. James in numbers

About 13,244 people live in St. James, in 4,934 households. The median household income is $142,368 a year, 66% above the New York median of $85,974 (US: $80,734). The median owner-occupied home is valued at $652,700 (54% above the New York median), and median gross rent is $2,218 a month. The median age is 47.4; 49.7% of adults 25 and over hold a bachelor's degree or higher (40.2% across New York); the average commute takes 29 minutes.

Population13,244St. James13,244
Households4,934St. James4,934
Median age47.4St. James47.4New York39.8US 38.9
Median household income$142,368St. James$142,368New York$85,974US $80,734
Median home value$652,700St. James$652,700New York$423,800US $332,700
Median gross rent$2,218St. James$2,218New York$1,621US $1,413
Bachelor's degree or higher49.7%St. James49.7%New York40.2%US 35.7%
Mean commute29.4 minSt. James29.4 minNew York32.6 minUS 26.4 min
Population density2,902 / sq miSt. James2,902 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place St. James CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Saint James

ZIP codes with the USPS city name Saint James
ZIP City Type Population Median income Median home
11780 Saint James , NY Standard 15,018 $144,577 $723,200

Other ZIP codes overlapping St. James

These ZIP codes cover part of St. James but are addressed as somewhere else.

ZIP codes overlapping St. James
ZIP City Type Population Median income Median home
11755 Lake Grove , NY Standard 12,144 $119,364 $601,600
11787 Smithtown , NY Standard 34,499 $143,101 $679,800

Map of St. James ZIP codes

11780

The ZIP codes of St. James, NY, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near St. James

The nearest larger towns are Nesconset (13,833 people, 2.0 mi), Smithtown (24,375 people, 3.6 mi) and Centereach (31,839 people, 3.7 mi).

Towns near St. James
TownPopulationDistance
Nesconset 13,833 2.0 mi
Lake Grove 11,061 2.2 mi
Stony Brook 12,868 2.5 mi
Stony Brook University 9,530 2.8 mi
Smithtown 24,375 3.6 mi
Centereach 31,839 3.7 mi
Lake Ronkonkoma 18,221 3.8 mi
East Setauket 10,149 4.3 mi
Hauppauge 20,793 4.8 mi
Islandia 3,600 4.9 mi
Kings Park 16,516 4.9 mi
Ronkonkoma 18,709 5.2 mi
Setauket 4,069 5.4 mi
Selden 21,604 5.5 mi

More nearby: every ZIP code in Suffolk County · New York ZIP codes

Cite this page

zipcodes.pro. “St. James, NY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ny/st-james

Underlying data is public domain or openly licensed — sources, vintages and licences.