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 2025 population of 2,495. Water Mill is currently growing at a rate of 2.55% annually and its population has increased by 34.14% since the most recent census, which recorded a population of 1,860 in 2020.

The average household income in Water Mill is $273,551 with a poverty rate of 3.43%.The median age in Water Mill is 56.2 years: 55.5 years for males, and 56.8 years for females.

2.5K
Total Population
236
Density (mi²)
62 2.55%
Growth

Water Mill Population

Water Mill Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Water Mill includes 88.19% White, and smaller percentages for Asian, Black or African American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White1,95688.19%
Two or more races2029.11%
Asian492.21%
Black or African American110.5%

Water Mill Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Water Mill's average per capita income is $74,000. Household income levels show a median of $158,250. The poverty rate stands at 3.43%.

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$335,037
Married Families$250,001-
Households$158,250$273,551
Non Families$61,329$145,748

$74,000

Average Income

$158,250

Median Household Income

3.43%

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)