Holtsville
Census-designated place in Suffolk County, New York
Holtsville is an unincorporated community (census-designated place) in Suffolk County, New York, with 18,937 residents (2020 Census). It sits at 105 ft (32 m) above sea level. The nearest town is Holbrook, 1.8 miles SW.
- 18,937residents (2020 Census)
- 105 ftelevation · 32 m
- 7.1 sq miland area · 18.4 km²
- 2,664 / sq mipopulation density
- 11742main ZIP code (3 in total)
About Holtsville
Holtsville is a hamlet and census-designated place (CDP) in Suffolk County, on Long Island, in New York, United States. As of the 2020 census, Holtsville had a population of 18,937.
The hamlet is mainly in the Town of Brookhaven, while the southwestern portion is in the Town of Islip. An IRS Processing Center is located in Holtsville, along with NYPA's Richard M. Flynn Power Plant.
Text: Wikipedia · CC BY-SA 4.0
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Living in Holtsville
- Median household income
- $133,679
- Median home value
- $520,600
- Median rent
- $2,342/mo
- Median age
- 38.9
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Map of Holtsville
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Open in Google Maps ›Holtsville, NY population
Holtsville had 18,937 residents in the 2020 Census.
| 2020 Census | 18,937 |
|---|---|
| Density | 2,664 per sq mi (1,029 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Holtsville at a glance
| State | New York (NY) |
|---|---|
| County | Suffolk County |
| Type | Census-designated place |
| Population | 18,937 (2020) |
| Land area | 7.11 sq mi (18.4 km²) |
| Elevation | 105 ft (32 m) |
| Coordinates | 40.8124° N, 73.0447° W |
| ZIP codes | 11742, 11738, 11741 |
| Census code (GEOID) | 3635254 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Holtsville
- Holbrook1.8 mi SW
- Farmingville1.9 mi N
- North Patchogue2.2 mi SE
- Medford3.1 mi E
- Patchogue3.6 mi S
- Lake Ronkonkoma3.8 mi W
- Selden4.1 mi N
- Blue Point4.2 mi S
- Ronkonkoma4.2 mi W
- Centereach4.3 mi NW
- East Patchogue4.4 mi SE
- Bayport4.6 mi S
Straight-line distance between town centers.
Frequently asked questions about Holtsville
What county is Holtsville in?
Holtsville is in Suffolk County, New York.
What is the population of Holtsville, NY?
18,937 people lived in Holtsville at the 2020 Census.
What is the ZIP code of Holtsville, NY?
The main ZIP code is 11742. Other ZIP codes: 11738, 11741.
What is the elevation of Holtsville?
105 feet (32 m) above sea level.
What towns are near Holtsville?
Holbrook (1.8 mi), Farmingville (1.9 mi), North Patchogue (2.2 mi), Medford (3.1 mi), Patchogue (3.6 mi).
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