Housing data for Cold Spring Harbor, NY
Cold Spring Harbor, NY has an estimated 3,220 residents and 1,081 homes (US Census Bureau, 2020–2024 American Community Survey).
It is an unincorporated community in Suffolk County.
6.5% of households rent.
Its population shrank measurably since 2015–2019 (−34.7%).
Figures last updated on .
- Residents
- 3,220 (±430)
- Housing units
- 1,081 (±164)
- Households that rent
- 6.5%
- Residents since 2015–2019
- −34.7%
What stands out in Cold Spring Harbor
Median home value: $1,587,900 (±$116,011) in Cold Spring Harbor, higher than in Suffolk County ($578,400).
Working from home: 28.9% (±6.5 points) in Cold Spring Harbor, higher than in Suffolk County (12.0%).
Households that rent: 6.5% (±4.6 points) in Cold Spring Harbor, lower than in Suffolk County (17.8%).
Homes in buildings of 5 or more units: 0.6% (±5.6 points) in Cold Spring Harbor, lower than in Suffolk County (8.4%).
- Home values in Cold Spring Harbor
- Commute and cars in Cold Spring Harbor
- Types of homes in Cold Spring Harbor
Housing in Cold Spring Harbor at a glance
- Rent burden: 0.0% of renters pay 30% or more of income (Small sample: wide margin of error)
- Renters and owners: 6.5% of households rent (Small sample: wide margin of error)
- Income and affordability: $250,000 or more median household income
- Home values: $1,587,900 median home value
- Homeowner costs: $4,000 or more median monthly cost with a mortgage
- Property taxes: $10,000 or more median real estate taxes a year
- Types of homes: 0.6% of homes are in buildings of 5 or more units
- Bedrooms: 93.3% of homes have 3 or more bedrooms (Small sample: wide margin of error)
- Age of homes: 81.4% of homes were built before 1980
- Vacancy rate: 0.0% rental vacancy rate (Small sample: wide margin of error)
- Heating fuel: 55.5% heat with fuel oil or kerosene
- Commute and cars: 33.5 minutes average trip to work
- Growth: −34.7% residents since 2015–2019
- How long people stay: 16.9% moved in since 2020
- Crowding and facilities: 0.0% of homes have more than 1 person per room (Small sample: wide margin of error)
Cold Spring Harbor against Suffolk County, its state and the nation
| Cold Spring Harbor | Suffolk County | New York | United States | |
|---|---|---|---|---|
| Residents | 3,220 (±430) | 1,530,146 (exact) | 19,852,366 (exact) | 334,922,499 |
| Housing units | 1,081 (±164) | 580,772 (±234) | 8,585,241 (±652) | 143,775,355 |
| Households that rent | 6.5% (±4.6 points) | 17.8% (±0.5 points) | 45.7% (±0.2 points) | 34.8% |
| Median gross rent | — | $2,255 (±$27) | $1,621 (±$7) | $1,413 |
| Median household income | $250,000 or more | $130,686 (±$1,707) | $85,974 (±$402) | $80,734 |
| Median home value | $1,587,900 (±$116,011) | $578,400 (±$2,887) | $423,800 (±$1,627) | $332,700 |
| Median real estate taxes (a year) | $10,000 or more | $10,000 or more | $6,582 (±$21) | $3,119 |
| Built before 1980 | 81.4% (±14.1 points) | 68.3% (±0.7 points) | 73.9% (±0.2 points) | 49.7% |
| Average commute | 33.5 minutes (±5.3) | 31.1 minutes (±0.3) | 32.6 minutes (±0.1) | 26.4 minutes |
| Households with broadband | 97.5% (±2.2 points) | 93.2% (±0.3 points) | 90.8% (±0.1 points) | 91.0% |
| Median age of residents | 40.4 years (±6.4) | 41.7 years (±0.2) | 39.8 years (±0.1) | 38.9 years |
Cold Spring Harbor covers 3.4 square miles of land, about 944 residents per square mile (Census Bureau Gazetteer).
How Cold Spring Harbor has changed since 2015–2019
| 2015–2019 | 2020–2024 | Amount of change | Verdict | |
|---|---|---|---|---|
| Residents | 4,932 (±406) | 3,220 (±430) | −34.7% | Measurable decrease |
| Housing units | 1,885 (±34) | 1,081 (±164) | −42.7% | Measurable decrease |
| Median home value | $832,200 (±$69,179) | $1,587,900 (±$116,011) | +90.8% | Up after inflation |
| Households that rent | 11.7% (±4.6 points) | 6.5% (±4.6 points) | −5.2 percentage points | Not a measurable change |
| Rental vacancy rate | 15.1% (±17.4 points) | 0.0% (±41.4 points) | −15.1 percentage points | Not a measurable change |
The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.
Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.
The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.
Crime reported to police in Suffolk County
Cold Spring Harbor has no police department of its own in the FBI’s figures, so this is the figure for Suffolk County as a whole.
In 2025, the police departments that report for Suffolk County recorded 6 violent and 99 property crimes per 100,000 residents.
A county-wide figure describes the whole county, not this place; crime varies from one community to the next.
ZIP codes in Cold Spring Harbor
| ZIP code | Share of the ZIP’s land in this place | Residents | Median gross rent | Median home value | Median household income |
|---|---|---|---|---|---|
| 11724 | 85% | 3,073 | — | $1,641,000 | $250,000 or more |
A ZIP code is a mail route rather than a boundary, so the Census Bureau publishes figures for ZIP Code Tabulation Areas built from census blocks; the share column says how much of each one’s land lies in this place.
Places near Cold Spring Harbor
| Place | Distance | Median gross rent | Median home value | Households that rent |
|---|---|---|---|---|
| Village of Laurel Hollow | 1.2 mi | $3,500 or more | $1,636,700 | 4.8% |
| Village of Oyster Bay Cove | 2.6 mi | $2,500 | $1,714,700 | 6.3% |
| Village of Cove Neck | 2.6 mi | $3,250 | $2,000,000 or more | 24.5% |
| Halesite | 2.7 mi | — | $851,600 | 13.7% |
| Huntington (community) | 2.8 mi | $2,529 | $767,000 | 14.1% |
| Huntington Station | 3.0 mi | $2,052 | $578,000 | 22.1% |
| Woodbury (community) | 3.2 mi | $3,321 | $1,003,400 | 12.8% |
| West Hills | 3.3 mi | $2,939 | $741,900 | 5.0% |
HUD Fair Market Rent for Cold Spring Harbor, fiscal year 2027
| Studio | 1 bedroom | 2 bedrooms | 3 bedrooms | 4 bedrooms |
|---|---|---|---|---|
| $1,964 | $2,285 | $2,689 | $3,458 | $3,671 |
HUD income limits for Cold Spring Harbor, fiscal year 2026
| Household size | Extremely low (30%) | Very low (50%) | Low (80%) |
|---|---|---|---|
| 1 person | $34,550 | $57,550 | $89,700 |
| 2 people | $39,450 | $65,750 | $102,500 |
| 3 people | $44,400 | $73,950 | $115,300 |
| 4 people | $49,300 | $82,150 | $128,100 |
| 5 people | $53,250 | $88,750 | $138,350 |
| 6 people | $57,200 | $95,300 | $148,600 |
| 7 people | $61,150 | $101,900 | $158,850 |
| 8 people | $65,100 | $108,450 | $169,100 |
These are the limits HUD sets for its housing programs in the Nassau-Suffolk, NY HUD Metro FMR Area, where HUD’s median family income for fiscal year 2026 is $164,300.
A program can use its own limits; tax-credit and local programs often do.
Cold Spring Harbor is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.
It lies inside the Town of Huntington, whose figures include it.
Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.
Margins of error are at the 90% confidence level.
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Questions about Cold Spring Harbor
What is the median household income in Cold Spring Harbor?
The median household income in Cold Spring Harbor is $250,000 or more a year (2020–2024 American Community Survey).
What is the average home value in Cold Spring Harbor, NY?
The Census Bureau publishes the median: $1,587,900 (±$116,011) for owner-occupied homes in Cold Spring Harbor (2020–2024 American Community Survey).
What is the average mortgage payment in Cold Spring Harbor?
The Census Bureau publishes total owner costs rather than the mortgage alone: the median for owners with a mortgage in Cold Spring Harbor, NY is $4,000 or more a month, including taxes, insurance and utilities.
How much are property taxes in Cold Spring Harbor?
The median real estate tax paid by homeowners in Cold Spring Harbor, NY is $10,000 or more a year (2020–2024 American Community Survey).
How many homes are in Cold Spring Harbor?
Cold Spring Harbor, NY has an estimated 1,081 (±164) housing units, occupied and vacant (2020–2024 American Community Survey).
How old are most homes in Cold Spring Harbor?
81.4% of homes in Cold Spring Harbor, NY were built before 1980 (2020–2024 American Community Survey).
Is Cold Spring Harbor growing?
In Cold Spring Harbor, the number of residents went from 4,932 in 2015–2019 to 3,220 in 2020–2024 (−34.7%), a measurable decrease.
What ZIP codes are in Cold Spring Harbor?
The ZIP code that covers Cold Spring Harbor is 11724.
Sources
- Demographic and Housing Estimates (DP05), 2020–2024 ACS 5-year estimates — Cold Spring Harbor CDP, New York
- Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Cold Spring Harbor CDP, New York
- Selected Economic Characteristics (DP03), 2020–2024 ACS 5-year estimates — Cold Spring Harbor CDP, New York
- Median Real Estate Taxes Paid by Mortgage Status (B25103), 2020–2024 ACS 5-year estimates — Cold Spring Harbor CDP, New York
- Selected Social Characteristics (DP02), 2020–2024 ACS 5-year estimates — Cold Spring Harbor CDP, New York
- Total Population (B01003), 2015–2019 ACS 5-year estimates — Cold Spring Harbor CDP, New York
- Median Gross Rent (B25064), 2015–2019 ACS 5-year estimates — Cold Spring Harbor CDP, New York
- HUD Fair Market Rents, fiscal year 2027: Nassau-Suffolk, NY HUD Metro FMR Area
- HUD Income Limits, fiscal year 2026: Nassau-Suffolk, NY HUD Metro FMR Area
- US Census Bureau, American Community Survey 2020–2024 5-year estimates for ZIP Code Tabulation Areas
- Consumer Price Index for All Urban Consumers (CPI-U), US city average, all items, US Bureau of Labor Statistics: annual averages 2019 and 2024
- US Census Bureau, 2024 Gazetteer Files
To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Cold Spring Harbor CDP, New York (place:16958, in state:36).
Each estimate (E or PE) has a margin of error beside it (M or PM).
The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.
The API needs a free key.
DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.
Figures last updated on .