Lake Grove, NY ZIP code
The ZIP code for Lake Grove, New York is 11755. It is in Suffolk County.
- Population in these ZIPs
- 12,144
- Avg. median income
- $119,400population-weighted
- Typical home value
- $732,900population-weighted
- Metro area
- New York-Newark-Jersey City, NY-NJ
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Lake Grove, NY ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 11755 | 12,144 | $119,364 | $732,900 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Lake Grove
- Nesconset 2 mi
- Centereach 2 mi
- Ronkonkoma 3 mi
- Stony Brook 4 mi
- Selden 4 mi
- Farmingville 4 mi
- Islandia 5 mi
- Saint James 5 mi
- Holtsville 5 mi
- Smithtown 5 mi
- Holbrook 5 mi
- Port Jefferson Station 5 mi
Frequently asked questions
What is the ZIP code for Lake Grove, NY?
The ZIP code for Lake Grove, NY is 11755.
What county is Lake Grove, New York in?
Lake Grove ZIP codes are in Suffolk County.