Water Mill, New York Population 2021

1,631
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Water Mill is a city located in Suffolk County New York. Water Mill has a 2020 population of 1,631. Water Mill is currently declining at a rate of 0.00% annually and its population has increased by 4.62% since the most recent census, which recorded a population of 1,559 in 2010. Water Mill reached it's highest population of 2,349 in 2016.

The average household income in Water Mill is $285,754 with a poverty rate of 10.18%. The median rental costs in recent years comes to - per month, and the median house value is $1.61 Mn. The median age in Water Mill is 53.6 years, 53.2 years for males, and 54 years for females.

Water Mill Demographics

According to the most recent ACS, the racial composition of Water Mill was:

  • White: 91.78%
  • Two or more races: 3.68%
  • Asian: 3.31%
  • Native American: 0.80%
  • Black or African American: 0.43%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Water Mill, New York is 1,631 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 1,906.The last official US Census in 2010 recorded the population at 1,559.

Water Mill, New York Population 2021

Population by Race

Race Population Percentage
White1,49791.78%
Two or More Races603.68%
Asian543.31%
American Indian and Alaska Native130.80%
Black or African American70.43%
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Water Mill Population by Race

Water Mill Population Pyramid $2021

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Water Mill Median Age

53.6


Total

53.2


Male

54


Female

Water Mill Adults

There are 1,439 adults, (373 of whom are seniors) in Water Mill.

Water Mill Age Dependency

53

Age Dependency Ratio

35

Old Age Dependency Ratio

18

Child Dependency Ratio

Water Mill Sex Ratio

Female

819

50.21%

Male

812

49.79%

Water Mill Population by Age

Water Mill Renter vs Owner Occupied by Household Type

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Water Mill Household Types

Type Owner Renter
Female100%0%
Male100%0%
Married100%0%
All92.5%7.5%
Non Family78.9%21.1%

92.5%

Rate of Home Ownership

Water Mill Households and Families

Type Count Average Size Owned
All6762.492.5
Married3772.62100
Non Family2421.8978.9
Male423.02100
Female153.4100

2.61

Average Family Size

2.4

Average Household Size

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Water Mill Households by Type

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Education Attained Count Percentage
Less Than 9th Grade30.21%
9th to 12th Grade312.16%
High School Graduate24116.79%
Some College22615.75%
Associates Degree251.74%
Bachelors Degree39527.53%
Graduate Degree51435.82%
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Water Mill Educational Attainment by Sex (over 25)

Water Mill Educational Attainment by Race

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Race Total High School Bachelors
White1,1521,152800
Hispanic22919871
Asian282828
Native American1313
2+ Races101010
Black3

The highest rate of high school graduation is among white people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 100.00%.

Water Mill Educational Attainment by Race

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Name Average Male Female
Overall$51,000$52,042$38,816
Less Than 9th Grade$$$
High School Graduate$$$
Some College$24,556$24,315$
Bachelors Degree$52,171$53,158$
Graduate Degree$96,719$126,512$

$51,000

Average Earnings

$52,042

Average Male

$38,816

Average Female

Water Mill Earnings by Educational Attainment

Water Mill Language by Age

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Water Mill Language

78.58% of Water Mill residents speak only English, while 21.42% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 14.09% of the population.

Water Mill Language

Water Mill Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic23311549.36%
White1,268483.79%
Black77100.00%

10.18%

Overall Poverty Rate

5.54%

Male Poverty Rate

14.77%

Female Poverty Rate

Poverty in Water Mill

The race most likely to be in poverty in Water Mill is Black, with 100.00% below the poverty level.

The race least likely to be in poverty in Water Mill is White, with 3.79% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 7.17%. Among those working part-time, it was 14.03%, and for those that did not work, the poverty rate was 15.09%.

Water Mill Poverty

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Name Poverty
Less Than 9th Grade100.00%
High School33.20%
Some College7.97%
Bachelors or Greater3.08%

Water Mill Poverty Rate by Education

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Rate Poverty
Female Employed17.90%
Male Employed7.16%
Female Unemployed0.00%
Male Unemployed0.00%

Water Mill Poverty Rate by Employment Status and Sex

Water Mill Income by Household Type

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Name Median Mean
Households$155,278$285,754
Families$185,455$310,356
Married Families$185,341-
Non Families$102,679$234,710
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Income by Household Type

Water Mill Marital Status

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Marriage Rates

54.7%

Overall Marriage Rate

55.3%

Male Marriage Rate

54.1%

Female Marriage Rate

Water Mill Married by Age and Sex

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Water Mill Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Water Mill Marital Status by Race

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Water Mill Marital Status

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40

Number of Veterans

40

Male Veterans

Female Veterans

War Veterans
First Gulf War15
Second Gulf War15
World War II9
Korea
Vietnam

Water Mill Veterans by War

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Age Group Veterans
75+25
35 to 5415
65 to 74
55 to 64
18 to 34

Water Mill Veterans by Age

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Name Veterans % of Total
White251.81%
Asian1553.57%

Water Mill Veterans by Race

Water Mill Veterans by Education

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0.00%

Veteran Poverty Rate

22.50%

Veteran Disability Rate

Water Mill Veterans by Education

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67.3%

Labor Force Participation

63.3%

Employment Rate

5.9%

Unemployment Rate

Water Mill Employment by Age

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Water Mill Employment by Race

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Water Mill Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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63.27%

Born in Water Mill

75.11%

Native Born

24.89%

Foreign Born

15.82%

Non Citizen

9.07%

Naturalized

Place of Birth

75.11% of Water Mill residents were born in the United States, with 63.27% having been born in New York. 15.82% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Water Mill Place of Birth

Year Population Growth Annual Growth Rate
20211,6310.00%
20201,6310.00%
20191,631-275-14.43%
20181,906-290-13.21%
20172,196-153-6.51%
20162,349763.34%
20152,273562.53%
20142,21738320.88%
20131,8341297.57%
20121,70520413.59%
20111,501-58-3.72%
20101,5590.00%

Water Mill Population by Year