Mount Sinai Flag

Mount Sinai

County:
Suffolk County
County Seat:
No
Area (mi²):
5.999
State:
New York

Mount Sinai is a CDP located in Suffolk County, New York. Mount Sinai has a 2025 population of 11,522. Mount Sinai is currently declining at a rate of -0.35% annually but its population has increased by 10.3% since the most recent census, which recorded a population of 10,446 in 2020.

The average household income in Mount Sinai is $190,393 with a poverty rate of 1.63%.The median age in Mount Sinai is 45.8 years: 45.3 years for males, and 46.6 years for females.

11.5K
Total Population
1,921
Density (mi²)
-40 -0.35%
Growth

Mount Sinai Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)