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 |
| Altitude : | 105 feet / 32 meters |
| Time Zone : | America/New_York |
| Local time : | 23:19:31 (4th December 2025) |
| Postal code : | 11742 |
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
1 Brookhaven Ecology Site
249 Buckley Rd, Holtsville, NY 11742, United States ➦ Show Map
☎ +16317589664 🔗 Url
2 Holtsville Wildlife & Ecology Center
249 Buckley Rd, Holtsville, NY 11742, United States ➦ Show Map
☎ +16317589664 🔗 Url
3 Ecology
249 Buckley Rd, Holtsville, NY 11742, United States ➦ Show Map
☎ 🔗 Url
People born in Holtsville (1)
racecar driver Justin Bonsignore was born in Holtsville
Schools in Holtsville
College & universities near Holtsville, NY
| Code | Name | City | ZIP |
|---|---|---|---|
| 366395 | Suffolk County Community College | Selden (NY) | 11784-2899 |
Stations (18)
Amtrak & bus stations near Holtsville, NY
| 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 |
Post offices near 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 | Town in Suffolk County, New York, United States |
| Islip | 322,328 | Town in New York, United States |
| 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
