Holtsville, New York
Holtsville: census-designated place in Suffolk County, New York
About
Holtsville is a CDP located in the county of Suffolk in the U.S. state of New York.
Quick Facts about Holtsville
| Population | 19,714 |
| Country | United States of America |
| State | New York (United States) |
| County | Suffolk County |
| Area | 18.41 km2 |
| Latitude & Longitude | 40.8154,-73.0451 |
| Altitude | 105 feet / 32 meters |
| Time Zone | America/New_York |
| Local time | 22:33:14 (18th April 2026) |
| Postal code | 11742 |
| Weather | 61℉ Partly Sunny 7-days weather |
Geography
Holtsville is located at 40°48'55"N 73°2'42"W (40.8153800, -73.0451100).
Holtsville map
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Best Things to Do in Holtsville
1Brookhaven Ecology Site
249 Buckley Rd, Holtsville, NY 11742, United States View details
Phone: +16317589664 | Website available
2Holtsville Wildlife & Ecology Center
249 Buckley Rd, Holtsville, NY 11742, United States View details
Phone: +16317589664 | Website available
3Ecology
249 Buckley Rd, Holtsville, NY 11742, United States View details
People born in Holtsville (1)
racecar driver Justin Bonsignore was born in Holtsville
Nearby Schools and Colleges
Schools and campuses linked to Holtsville, NY. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 366395 | Suffolk County Community College | Selden (NY) | 11784-2899 |
Nearby Transit Stations (18)
Rail and bus stations connected to Holtsville, NY. Select a station to open its map and address details.
| Code | Name | Address | Type |
|---|---|---|---|
| BRP | Bridgeport | 525 Water St. | RAIL |
| STM | Stamford Transportation Center | Washington Blvd and South State St. | RAIL |
| NHV | Union Station | 50 Union Avenue | RAIL |
| NRO | New Rochelle station | 1 Railroad Plaza | RAIL |
| YNY | Yonkers station | 5 Buena Vista Ave. | RAIL |
Closest post offices linked to Holtsville.
| Post Office Name | City | ZIP |
|---|---|---|
| Holtsvill Post Office | Holtsville (NY) | 11742 |
Other cities in Suffolk County
Cities, towns, neighborhoods & other populated places in Suffolk County , NY. (more)
| City Name | Population | Title |
|---|---|---|
| Brookhaven | 479,883 | This town in Suffolk County, New York, is the most populous in the state. |
| Islip | 322,328 | This Long Island community is situated on the south shore of Suffolk County, New York, at an elevation of 13 feet. |
| Babylon | 218,223 | A town in Suffolk County, New York. |
| Huntington | 200,102 | Town in Suffolk County, New York, United States |
| Smithtown | 110,876 | Census-designated place in Suffolk County, New York |
| Brentwood | 60,664 | Census-designated place in Suffolk County, New York |
| Southampton | 58,549 | Town in Suffolk County, New York, partly on the South Fork of Long Island, USA |
| West Babylon | 43,213 | Census-designated place in Suffolk County, New York |
| Coram | 39,113 | Census-designated place in Suffolk County, New York |
| Commack | 36,124 | Census-designated place in Suffolk County, New York |
| Central Islip | 34,450 | Census-designated place in Suffolk County, New York |
| Riverhead | 33,434 | Town in New York |
| Huntington Station | 33,029 | Census-designated place in Suffolk County, New York |
| Centereach | 31,578 | Census-designated place in Suffolk County, New York |
| West Islip | 28,335 | Census-designated place in Suffolk County, New York |
| Shirley | 27,854 | Census-designated place in New York, USA |
Distance to Other Cities
Holtsville distances to largest New York cities