State: New York
County: Suffolk County
Close cities: Farmingville, NY, North Patchogue, NY, Holbrook, NY, North Bellport, NY, Head of the Harbor, NY, Belle Terre, NY, Lake Ronkonkoma, NY, Old Field, NY, Terryville, NY, Centereach, NY, Yaphank, NY, West Sayville, NY, Bohemia, NY, Poquott, NY, East-Setauket, NY, Selden, NY, North Patchogue, NY, Medford, NY, Gordon Heights, NY, Port Jefferson, NY, Mount Sinai, NY, Farmingville, NY, Shoreham, NY, Bayport, NY, Lake Grove, NY, Bellport, NY, Nesconset, NY, Lake Ronkonkoma, NY, Centereach, NY, Miller Place, NY, Selden, NY, Ronkonkoma, NY, Medford, NY, East Patchogue, NY, Patchogue, NY, East Islip, NY, Coram, NY, Holbrook, NY, Islip Terrace, NY, Patchogue, NY, Sayville, NY, Islandia, NY, Ronkonkoma, NY, Sound Beach, NY, Blue Point, NY, Village of the Branch, NY, Port Jefferson Station, NY, Brookhaven, NY, East Patchogue, NY, North Great River, NY, Great River, NY
Holtsville Population (census data)| Total | 17,358 |
| Male | 8,504 (49.0%) |
| Female | 8,854 (51.0%) |
Population Density: 2,495 people per sq. mile
Cost of Living Index: 144.4 (US Avg is 100)
Holtsville Elevation: 105 feet above sea level
Land Area: 6.96 square miles
Median Household Income: $87,609
Zip Codes:
11742,
00501,
and 00544.