Cold Spring Harbor

Population: 3,123
Median household income: $250,001
Median home value: $1,466,800

Cold Spring Harbor, a community in Suffolk County, New York, has 3,123 residents. At $250,001, its median household income sits above Suffolk County's $128,329.

Between 2019 and 2023, Cold Spring Harbor's population declined 36.7% from 4,932 to 3,123, while its median home value rose 76.3% from $832,200 to $1,466,800.

Households average 3.04 people. 77.7% of adults 25 and older hold a bachelor's degree or higher.

Demographics

ACS 2019–2023

Population: 3,123
Median age: 36.8 yrs
Median household income: $250,001
Median home value: $1,466,800
Median gross rent: —
Housing units: 1,076
Homeownership rate: 96.3%
Bachelor's degree or higher: 77.7%
Unemployment rate: 2.1%

Trends

ACS 5-year · 2019–2023

Population

4,9323,123

Median household income

$202,208$250,001

Median home value

$832,200$1,466,800

Median gross rent

$2,306$2,674

Year	Population	Median household income	Median home value	Median gross rent
2019	4,932	$202,208	$832,200	$2,306
2020	2,864	$250,001	$1,172,400	$2,674
2021	3,067	$250,001	$1,218,000	—
2022	2,979	$250,001	$1,402,600	—
2023	3,123	$250,001	$1,466,800	—

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

Age distribution

Under 510.5%

5 to 1716.5%

18 to 249.6%

25 to 3411.7%

35 to 448.8%

45 to 5415.5%

55 to 6414.4%

65 to 748.7%

75 and over4.3%

	Count	Share
Under 5	328	10.5%
5 to 17	516	16.5%
18 to 24	300	9.6%
25 to 34	365	11.7%
35 to 44	274	8.8%
45 to 54	484	15.5%
55 to 64	450	14.4%
65 to 74	272	8.7%
75 and over	134	4.3%

Race & ethnicity

	Count	Share
White (non-Hispanic)	2,735	87.6%
Black or African American	3	0.1%
American Indian & Alaska Native	0	0.0%
Asian	129	4.1%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	65	2.1%
Two or more races	116	3.7%
Hispanic or Latino (any race)	75	2.4%

Educational attainment (age 25+)

No high school diploma2.2%

High school graduate6.5%

Some college or associate's13.6%

Bachelor's degree43.7%

Graduate or professional degree34.0%

	Count	Share
No high school diploma	44	2.2%
High school graduate	129	6.5%
Some college or associate's	269	13.6%
Bachelor's degree	864	43.7%
Graduate or professional degree	673	34.0%

Commute to work

Mean travel time to work: 36 min

Drove alone52.4%

Carpooled1.2%

Public transit12.5%

Walked3.3%

Bicycle0.0%

Worked from home25.5%

Other means5.1%

How workers get to work

	Count	Share
Drove alone	828	52.4%
Carpooled	19	1.2%
Public transit	197	12.5%
Walked	52	3.3%
Bicycle	0	0.0%
Worked from home	402	25.5%
Other means	81	5.1%

Travel time

	Count	Share
Under 15 min	238	20.2%
15 to 29 min	351	29.8%
30 to 44 min	237	20.1%
45 to 59 min	77	6.5%
60+ min	274	23.3%

Households

Average household size: 3.04
Poverty rate: 1.6% (49 of 3,053)

	Count	Share
Family households	785	79.0%
Nonfamily households	209	21.0%

Housing

Median year structure built: 1959

Occupancy

	Count	Share
Occupied	994	92.4%
Vacant	82	7.6%

Tenure (of occupied units)

	Count	Share
Owner-occupied	957	96.3%
Renter-occupied	37	3.7%

1-unit, detached94.5%

1-unit, attached5.5%

2 to 4 units0.0%

5 to 19 units0.0%

20 or more units0.0%

Mobile home & other0.0%

Units in structure

	Count	Share
1-unit, detached	1,017	94.5%
1-unit, attached	59	5.5%
2 to 4 units	0	0.0%
5 to 19 units	0	0.0%
20 or more units	0	0.0%
Mobile home & other	0	0.0%

Geography

Place GEOID: 3616958
Type (LSAD): 57
Land area: 3.41 sq mi
Water area: 0.17 sq mi
Center point: 40.8643, -73.4564

Compare with nearby cities

Other places in Suffolk County

158