Water Mill

Population: 2,218
Median household income: $158,250
Median home value: $2,000,001

Water Mill, a community in Suffolk County, New York, has 2,218 residents. The median household income of $158,250 is above the Suffolk County median ($128,329).

From 2019 to 2023, Water Mill's population grew 36.0% from 1,631 to 2,218, while its median home value rose 24.1% from $1,611,900 to $2,000,001.

The largest age group is 55 to 64, 24.9% of residents. White (non-Hispanic) residents are the largest group, 86.4% of the population.

Demographics

ACS 2019–2023

Population: 2,218
Median age: 56.2 yrs
Median household income: $158,250
Median home value: $2,000,001
Median gross rent: $3,150
Housing units: 2,374
Homeownership rate: 91.2%
Bachelor's degree or higher: 77.6%
Unemployment rate: 7.1%

Trends

ACS 5-year · 2019–2023

Population

1,6312,218

Median household income

$155,278$158,250

Median home value

$1,611,900$2,000,001

Median gross rent

$2,681$3,150

Year	Population	Median household income	Median home value	Median gross rent
2019	1,631	$155,278	$1,611,900	—
2020	1,860	$170,139	$1,669,400	—
2021	2,113	$162,396	$1,636,000	$2,681
2022	2,308	$174,919	$1,965,100	—
2023	2,218	$158,250	$2,000,001	$3,150

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 54.3%

5 to 177.6%

18 to 243.9%

25 to 3413.3%

35 to 447.4%

45 to 5411.9%

55 to 6424.9%

65 to 7412.2%

75 and over14.6%

	Count	Share
Under 5	95	4.3%
5 to 17	168	7.6%
18 to 24	87	3.9%
25 to 34	294	13.3%
35 to 44	164	7.4%
45 to 54	263	11.9%
55 to 64	553	24.9%
65 to 74	270	12.2%
75 and over	324	14.6%

Race & ethnicity

	Count	Share
White (non-Hispanic)	1,916	86.4%
Black or African American	11	0.5%
American Indian & Alaska Native	0	0.0%
Asian	49	2.2%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	12	0.5%
Hispanic or Latino (any race)	230	10.4%

Educational attainment (age 25+)

No high school diploma2.4%

High school graduate13.8%

Some college or associate's6.3%

Bachelor's degree42.9%

Graduate or professional degree34.7%

	Count	Share
No high school diploma	45	2.4%
High school graduate	257	13.8%
Some college or associate's	117	6.3%
Bachelor's degree	801	42.9%
Graduate or professional degree	648	34.7%

Commute to work

Mean travel time to work: 23 min

Drove alone39.9%

Carpooled1.9%

Public transit5.2%

Walked7.6%

Bicycle0.0%

Worked from home43.9%

Other means1.5%

How workers get to work

	Count	Share
Drove alone	446	39.9%
Carpooled	21	1.9%
Public transit	58	5.2%
Walked	85	7.6%
Bicycle	0	0.0%
Worked from home	491	43.9%
Other means	17	1.5%

Travel time

	Count	Share
Under 15 min	303	48.3%
15 to 29 min	172	27.4%
30 to 44 min	38	6.1%
45 to 59 min	29	4.6%
60+ min	85	13.6%

Households

Average household size: 2.04
Poverty rate: 3.4% (76 of 2,218)

	Count	Share
Family households	727	67.3%
Nonfamily households	353	32.7%

Housing

Median year structure built: 1993

Occupancy

	Count	Share
Occupied	1,080	45.5%
Vacant	1,294	54.5%

Tenure (of occupied units)

	Count	Share
Owner-occupied	985	91.2%
Renter-occupied	95	8.8%

1-unit, detached98.3%

1-unit, attached0.3%

2 to 4 units0.4%

5 to 19 units0.0%

20 or more units0.5%

Mobile home & other0.5%

Units in structure

	Count	Share
1-unit, detached	2,333	98.3%
1-unit, attached	8	0.3%
2 to 4 units	10	0.4%
5 to 19 units	0	0.0%
20 or more units	11	0.5%
Mobile home & other	12	0.5%

Geography

Place GEOID: 3678575
Type (LSAD): 57
Land area: 11 sq mi
Water area: 2.21 sq mi
Center point: 40.9224, -72.3507

Compare with nearby cities

Other places in Suffolk County

158