Cold Spring Harbor, NY demographics:
population, income, and more

Total population
3,220
3.1% year-over-year change
Median household income
$250,001/yr
0.0% year-over-year change
Housing units
1,081
0.5% year-over-year change

Cold Spring Harbor population

How many people live in Cold Spring Harbor

Cold Spring Harbor is home to 3,220 residents, according to the most recent Census data. Gender-wise, 52.3% of Cold Spring Harbor locals are male, and 47.7% are female.

Total population
3,220
3.1% year-over-year change
Gender ratio
Male
52.3%
1,683
Female
47.7%
1,537
Value Percent YoY change
Male 1,683 52.3% 2.1%
Female 1,537 47.7% 4.2%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Cold Spring Harbor is 40, with the population distributed as follows: about 21.2% are children under 15, then 14.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 19.4% of the population, while another 31.2% fall into the 45 to 64 bracket. Finally, around 14% are 65 or older.

Median age
40.4
Age breakdown
Under 15
21.2%
15 to 24
14.2%
25 to 44
19.4%
45 to 64
31.2%
Over 65
14%
Value Percent YoY change
Under 15 682 21.2% -1.4%
15 to 24 458 14.2% 1.3%
25 to 44 623 19.4% -2.5%
45 to 64 1,006 31.2% 7.7%
Over 65 451 14% 11.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Cold Spring Harbor, 93% of the population are US-born citizens, while 4.2% have gained naturalized citizenship. At the same time, 2.8% of residents are non-citizens. As for race, 88.7% of locals are Caucasian, 0.4% are African American and 4.3% have Asian roots. There’s also a share of 4.6% that includes residents with two or more races.

Citizenship
U.S.-born citizens
93%
Non-U.S.-born citizens
4.2%
Non-citizens
2.8%
Value Percent YoY change
U.S.-born citizens 2,995 93% 2.3%
Non-U.S.-born citizens 135 4.2% 9.8%
Non-citizens 90 2.8% 25.0%
Racial breakdown
White
88.7%
Black or African American
0.4%
American Indian and Alaska Native
0%
Asian
4.3%
Native Hawaiian and other Pacific Islander
0%
Two or more races
4.6%
Other
2%
Value Percent
White 2,855 88.7%
Black or African American 13 0.4%
Asian 138 4.3%
Two or more races 149 4.6%
Other 65 2%

Households in Cold Spring Harbor

A peek inside Cold Spring Harbor households

Cold Spring Harbor has 1,030 households, with an average of 3 members in each. Of these, 84.2% are families, while the remaining 15.8% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
1,030
3.6% year-over-year change
Average people per household
3
Non-family households
163
Family households
867
Value Percent YoY change
Non-family households 163 15.8% -22.0%
Family households 867 84.2% 10.4%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Cold Spring Harbor

The housing landscape of Cold Spring Harbor

Cold Spring Harbor's housing consists of 1,081 units, with 91.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 5.5% and offer a more compact, shared living style.

Housing units
1,081
0.5% year-over-year change
Housing types
Value Percent
1 unit, detached 990 91.6%
1 unit, attached 59 5.5%
2 units 25 2.3%
20 to 49 units 7 0.6%
Homes built since 2020
7
% year-over-year change

The age of buildings in Cold Spring Harbor

In Cold Spring Harbor, the median construction year is 1960. About 30.5% of homes were built before the 1940s, with another 1.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 1.8% of homes were added from 2000 to 2009, 2.5% between 2010 and 2019, and 0.6% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 330 30.5% 26.9%
Built between 1940 and 1949 21 1.9% -34.4%
Built between 1950 and 1959 190 17.6% -28.0%
Built between 1960 and 1969 200 18.5% 3.6%
Built between 1970 and 1979 139 12.9% -6.1%
Built between 1980 and 1989 51 4.7% 6.2%
Built between 1990 and 1999 97 9% -2.0%
Built between 2000 and 2009 19 1.8% -5.0%
Built between 2010 and 2019 27 2.5% 125.0%
Built in 2020 or later 7 0.6% N/A
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Cold Spring Harbor occupancy rates

Out of the 1,030 occupied housing units in Cold Spring Harbor, 93.5% are owner-occupied, while 6.5% are lived in by tenants. Meanwhile, 4.7% of all homes on the local market sit vacant.

Occupied housing units
1,030
3.6% year-over-year change
Occupancy breakdown
Renter occupied
67
Owner occupied
963
Value Percent YoY
change
Renter occupied 67 6.5% 81.1%
Owner occupied 963 93.5% 0.6%
Unoccupied housing units
4.7%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Cold Spring Harbor housing costs

Median housing costs per month
$4,001/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.

Education in Cold Spring Harbor

Cold Spring Harbor education at a glance

About 8.8% of the population in Cold Spring Harbor went to high school, while 10.1% pursued college studies. Another 5.2% earned an associate degree and 44% hold a bachelor’s. Meanwhile, 30.7% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 26 1.1% -3.7%
High school diploma 208 8.8% 6.7%
College diploma 237 10.1% 4.9%
Associate degree 123 5.2% 5.1%
Bachelor's degree 1,034 44% 0.7%
Graduate degree 722 30.7% 5.1%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Cold Spring Harbor

How much people earn in Cold Spring Harbor

The average annual household income in Cold Spring Harbor was $325,019 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +13.5% change from the previous year.

Average household income in Cold Spring Harbor
$325,019/year
13.5% year-over-year change
Median household income in Cold Spring Harbor
$250,001/year
0.0% year-over-year change

Cold Spring Harbor income by age

In Cold Spring Harbor, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $250,001. Those with someone between 45 and 64 in charge, often well established professionally, earn $250,001 overall. Overall, 98.5% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $250,001 0.0%
45 - 64 $250,001 0.0%
Over 65 $170,694 49.3%
Above poverty level
3,096
Below poverty level
47
Value Percent YoY
change
Above poverty level 3,096 98.5% 3.3%
Below poverty level 47 1.5% -4.1%

Employment in Cold Spring Harbor

Workforce and job types in Cold Spring Harbor

The job market in Cold Spring Harbor is powered by 1,656 working residents, spread across a range of industries and roles. 97% of the working population are employed in professional or administrative positions, while 3% are in hands-on or service-based jobs. Also, 21.9% run their own businesses, 58.2% are employed by private companies, and 6.5% work in the public sector.

Workforce demographics

Working population
1,656
4.9% year-over-year change
White collar
1,606
Blue collar
50
Value Percent YoY change
White collar 1,606 97% 5.6%
Blue collar 50 3% -13.8%
Employer type
Self employees
21.9%
Private companies
58.2%
Governmental workers
6.5%
Not for profit companies
13.4%
Value Percent YoY change
Self employees 363 21.9% 10.3%
Private companies 963 58.2% 3.7%
Governmental workers 108 6.5% -4.4%
Not for profit companies 222 13.4% 6.7%
Unemployment rate
1.5%
-26.5% year-over-year change

Available workforce

The unemployment rate in Cold Spring Harbor stands at 1.5%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Cold Spring Harbor

How people get around in Cold Spring Harbor

Commuting methods vary: 52.2% of residents travel by personal vehicle and 3.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 861 52.2% 1.6%
Subway or elevated 15 0.9% N/A
Railroad 148 9% -17.8%
Walk 62 3.8% 19.2%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Cold Spring Harbor by zipcode?

Zipcode Population Number of households Median income Average income
11724 3,073 1,017 $250,001 $335,710

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FAQs about Cold Spring Harbor demographics 

What is the total population of Cold Spring Harbor?

Cold Spring Harbor has a total population of 3,220 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +3.1% compared to a year ago.

What is the gender ratio in Cold Spring Harbor?

The gender ratio in Cold Spring Harbor is as follows:
  • 52.3% males (1,683 residents)
  • 47.7% females (1,537 residents)

What is the median age in Cold Spring Harbor?

The median age in Cold Spring Harbor is 40.4.

What is the age distribution of the population in Cold Spring Harbor?

The age distribution in Cold Spring Harbor is as follows:
  • Under 15: 21.2% (682 residents)
  • Ages 15-24: 14.2% (458 residents)
  • Ages 25-44: 19.4% (623 residents)
  • Ages 45-64: 31.2% (1,006 residents)
  • Over 65: 14% (451 residents)

What is the racial and ethnic makeup of Cold Spring Harbor?

The racial and ethnic makeup of Cold Spring Harbor is as follows:
  • White: 88.7% (2,855 residents)
  • Black or African American: 0.4% (13 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 4.3% (138 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 4.6% (149 residents)
  • Other: 2% (65 residents)

What percentage of the population in Cold Spring Harbor are U.S.-born citizens?

U.S.-born citizens represent 93% of the population in Cold Spring Harbor.

How many housing units are there in Cold Spring Harbor?

There are 1,081 housing units in Cold Spring Harbor, reflecting a +0.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Cold Spring Harbor and what is the average household size?

Cold Spring Harbor has a total of 1,030 households, with an average of 3 people in each.

What is the median household income in Cold Spring Harbor?

Cold Spring Harbor has a median household income of $250,001, representing a 0.0% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Cold Spring Harbor?

The employment rate is 98.5% in Cold Spring Harbor, with a workforce of 1,656 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 97% (1,606 residents)
  • Blue-collar workers: 3% (50 residents)

Places of employment:
  • Self-employed: 21.9% (363 residents)
  • Private companies: 58.2% (963 residents)
  • Governmental workers: 6.5% (108 residents)
  • Not-for-profit companies: 13.4% (222 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025