Water Mill Flag

Water Mill

County:
Suffolk County
County Seat:
No
Area (mi²):
10.576
State:
New York

Water Mill is a CDP located in Suffolk County, New York. Water Mill has a 2026 population of 2,370. Water Mill is currently growing at a rate of 2.2% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Water Mill is $186,875 with a poverty rate of 3.58%. The median age in Water Mill is 54.9 years: 55 years for males, and 54.8 years for females. For every 100 females there are 93.2 males.

2.4K
Total Population
224
Density (mi²)
51 2.2%
Growth

Water Mill Population

Water Mill Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,370512.2%
20252,319502.2%

Median Age

Overall: 54.9 years
Female: 54.8 years
Male: 55 years

Water Mill Adults

There are 2,428 adults, (626 of whom are seniors) in Water Mill.

Sex Ratio

Female: 1,431 (51.8%)
Male: 1,333 (48.2%)

Demographics

The racial composition of Water Mill includes 89.4% White, and smaller percentages for Asian, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,47189.4%
Two or more races2428.76%
Asian411.48%
Black or African American100.36%
Race
Population ↓
Percentage (of total)
Two or more races2197.92%
White100.36%
Race
Population ↓
Percentage (of total)
White2,46189.04%
Asian411.48%
Two or more races230.83%
Black or African American100.36%

Water Mill Marital Status

Economics and Income Statistics

Water Mill 's average per capita income is $91,955. Household income levels show a median of $186,875. The poverty rate stands at 3.58%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Families$250,001$360,263
Married Families$250,001-
Households$186,875$327,147
Non Families$64,397$261,628

$91,955

Average Income

$186,875

Median Household Income

3.58%

Poverty Rate

Nearby Cities

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)