Town of Smithtown, Suffolk County, New York
The Town of Smithtown is a town in Suffolk County, New York. About 116,097 people live there (2020–2024 estimate). It covers 53.8 sq mi (139 km²) of land and uses Eastern Time. It has its own local government.
- Population, 2020–2024 estimate
- 116,097 ± 33
- County
- Suffolk County
- School district
- Smithtown Central School District
- Land area
- 53.8 sq mi (139 km²)
- Type
- TownIts own local government
- Time zone
- Eastern TimeUTC-05:00 in January; UTC-04:00 in July
- Median household income
- $152,636 ± $4,356
- Median home value
- $669,900 ± $6,302
- Water area
- 57.7 sq mi (149 km²)
- State
- New York
- Census code (GEOID)
- 3610368000
- Coordinates (central point)
- 40.918787, -73.177293
These coordinates mark a central point for the area, not a street address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.
Cities, towns and communities in the Town of Smithtown, largest first
- Commack (CDP)36,558 people
- Smithtown (CDP)24,375 people
- Kings Park (CDP)16,516 people
- Nesconset (CDP)13,833 people
- St. James (CDP)13,244 people
- Fort Salonga (CDP)10,199 people
- Village of the Branch (village)1,903 people
- Nissequogue (village)1,528 people
- Head of the Harbor (village)1,384 people
These places’ central points lie inside the Town of Smithtown. A place can reach across the line, and its government, if it has one, can be separate from the town’s.
Bordering areas, nearest first
- Town of Huntington11 mi west
- Town of Brookhaven12 mi east
- Town of Islip14 mi south
These towns, townships, cities and boroughs share a boundary with the Town of Smithtown. Distances are straight lines between central points, not driving distances.
Other towns in Suffolk County, largest first
- Town of Brookhaven489,810 people
- Town of Islip339,106 people
- Town of Babylon218,262 people
- Town of Huntington204,059 people
- Town of Southampton69,679 people
- Town of Riverhead35,980 people
- Town of East Hampton28,701 people
- Town of Southold23,905 people
- Town of Shelter Island3,355 people
People counts are American Community Survey 2020–2024 5-year estimates. See Suffolk County for its cities, ZIP Code areas and county seat.
Sunrise and sunset in the Town of Smithtown
- Longest day
- 15 hours 8 minutes around June 21
- Shortest day
- 9 hours 14 minutes around December 21
- Earliest sunrise
- 5:20 AM around June 14
- Latest sunrise
- 7:29 AM the day before clocks go back in November
- Earliest sunset
- 4:24 PM around December 8
- Latest sunset
- 8:28 PM around June 27
Clocks go forward an hour on the second Sunday in March and back on the first Sunday in November, so sunrise and sunset jump an hour later in March and an hour earlier in November.
| Day | Sunrise | Sunset | Daylight |
|---|---|---|---|
| Jan 15 | 7:15 AM | 4:49 PM | 9 h 34 min |
| Feb 15 | 6:47 AM | 5:27 PM | 10 h 40 min |
| Mar 15 | 7:04 AM | 6:59 PM | 11 h 55 min |
| Apr 15 | 6:13 AM | 7:32 PM | 13 h 19 min |
| May 15 | 5:35 AM | 8:03 PM | 14 h 28 min |
| Jun 15 | 5:20 AM | 8:26 PM | 15 h 6 min |
| Jul 15 | 5:33 AM | 8:23 PM | 14 h 50 min |
| Aug 15 | 6:02 AM | 7:51 PM | 13 h 49 min |
| Sep 15 | 6:33 AM | 7:02 PM | 12 h 29 min |
| Oct 15 | 7:03 AM | 6:12 PM | 11 h 9 min |
| Nov 15 | 6:39 AM | 4:34 PM | 9 h 55 min |
| Dec 15 | 7:10 AM | 4:25 PM | 9 h 15 min |
Approximate times for a flat horizon at the central point; the days move by a day or so from year to year. Hills and weather can change what you see.
Before using this answer on a form
A town line is not always the line on your mail: a mailing address can name another town or post office, and school districts, ZIP Codes and tax districts follow their own lines. For taxes, voting or permits, check the full address with Suffolk County or the local office.
Find the township or town where you are now or find your county.