Miller Place, New York

Miller Place, New York
The historic Academy Schoolhouse of Miller Place
U.S. Census map
Miller Place
Location on Long Island
Miller Place
Location within the state of New York
Coordinates: 40°56′48″N 72°59′35″W / 40.94667°N 72.99306°W / 40.94667; -72.99306
Country United States
State New York
CountySuffolk
TownBrookhaven
Area
  Total
7.73 sq mi (20.01 km2)
  Land6.55 sq mi (16.96 km2)
  Water1.18 sq mi (3.05 km2)
Elevation
131 ft (40 m)
Population
 (2020)
  Total
11,723
  Density1,790.04/sq mi (691.12/km2)
Time zoneUTC−05:00 (Eastern Time Zone)
  Summer (DST)UTC−04:00
ZIP Code
11764
Area code(s)631, 934
FIPS code36-47306
GNIS feature ID0957319

Miller Place is a hamlet and census-designated place (CDP) in the Town of Brookhaven, Suffolk County, New York, United States. Despite preserving much of its historic identity, changes in the 20th century have transitioned the hamlet into a desirable and densely populated suburban area. The population was 11,723 at the 2020 census.

Miller Place and Mount Sinai are historically linked, with residents sharing such institutions as the Mount Sinai Congregational Church, located on the hamlet's border. The harborfront section of Port Jefferson, 5 miles to the West, serves as a primary commercial downtown walking area for residents of both Miller Place and Mount Sinai.