Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — CITY/NY/LAKE-RONKONKOMA

Lake Ronkonkoma ZIP codes, New York

No ZIP code is named for Lake Ronkonkoma, NY; addresses there use a neighbouring town's name. 5 ZIP codes cover it: 11779, 11720, 11741, 11767 and 11755. Its area codes are 631 and 934.

USPS city name
0 ZIP codes
Overlapping the city
5 more
Population
18,221
Area codes
631, 934

NANPA lists no telephone rate centre for Lake Ronkonkoma itself, so these are the area codes of the nearest one, Ronkonkoma (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Lake Ronkonkoma in numbers

About 18,221 people live in Lake Ronkonkoma, in 6,704 households. The median household income is $101,633 a year, 18% above the New York median of $85,974 (US: $80,734). The median owner-occupied home is valued at $525,000 (24% above the New York median), and median gross rent is $2,170 a month. The median age is 42.6; 34.1% of adults 25 and over hold a bachelor's degree or higher (40.2% across New York); the average commute takes 28 minutes.

Population18,221Lake Ronkonkoma18,221
Households6,704Lake Ronkonkoma6,704
Median age42.6Lake Ronkonkoma42.6New York39.8US 38.9
Median household income$101,633Lake Ronkonkoma$101,633New York$85,974US $80,734
Median home value$525,000Lake Ronkonkoma$525,000New York$423,800US $332,700
Median gross rent$2,170Lake Ronkonkoma$2,170New York$1,621US $1,413
Bachelor's degree or higher34.1%Lake Ronkonkoma34.1%New York40.2%US 35.7%
Mean commute28.3 minLake Ronkonkoma28.3 minNew York32.6 minUS 26.4 min
Population density4,017 / sq miLake Ronkonkoma4,017 / sq mi

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

ZIP codes covering Lake Ronkonkoma

These ZIP codes cover part of Lake Ronkonkoma but are addressed as somewhere else.

ZIP codes overlapping Lake Ronkonkoma
ZIP City Type Population Median income Median home
11720 Centereach , NY Standard 29,292 $134,898 $518,600
11741 Holbrook , NY Standard 26,667 $144,346 $536,900
11755 Lake Grove , NY Standard 12,144 $119,364 $601,600
11767 Nesconset , NY Standard 14,964 $152,985 $637,900
11779 Ronkonkoma , NY Standard 38,206 $112,180 $487,300

Map of Lake Ronkonkoma ZIP codes

1172011741117551176711779

The ZIP codes of Lake Ronkonkoma, 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 Lake Ronkonkoma

The nearest larger towns are Ronkonkoma (18,709 people, 1.9 mi), Centereach (31,839 people, 3.1 mi) and Holbrook (26,449 people, 3.4 mi).

Towns near Lake Ronkonkoma
TownPopulationDistance
Lake Grove 11,061 1.9 mi
Ronkonkoma 18,709 1.9 mi
Nesconset 13,833 2.3 mi
Centereach 31,839 3.1 mi
Holbrook 26,449 3.4 mi
Islandia 3,600 3.4 mi
St. James 13,244 3.8 mi
Holtsville 19,344 3.8 mi
Farmingville 16,160 3.9 mi
Bohemia 9,181 3.9 mi
Selden 21,604 4.5 mi
Hauppauge 20,793 5.1 mi
Central Islip 38,373 5.3 mi
Stony Brook 12,868 5.4 mi

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

Cite this page

zipcodes.pro. “Lake Ronkonkoma, NY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ny/lake-ronkonkoma

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