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ZIP Code 11724
Cold Spring Harbor, NY, Suffolk County
Population
3,073
Land area
3.9sq mi
People per sq mi
796
City
Cold Spring Harbor
ZIP 11724 and nearby ZIP codes
ZIP 11724 at a glance
- ZIP 11724 (Cold Spring Harbor) is 89% denser than New York as a whole.
- The median household income is more than $250,000, the highest bracket the Census Bureau reports.
- A typical owner-occupied home is valued at $1,641,000 (about 3.9 times the New York figure).
Local data for ZIP 11724
Counts from official public data
Housing and community stats
ZIP 11724, American Community Survey 2020-2024
Median household income
$250,000+
Poverty rate
2.3%
Median home value
$1,641,000
Prices -9.2% in a year
Homeownership
92.7%
Bachelor's or higher
79.4%
Median age
41.5
Average commute
34.9 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
131
ZIP Business Patterns 2023
Employees
1,375
$119M annual payroll
PPP loans
$11.5M
178 loans
Campaign donations
$86.3K
36% D, 20% R, 2026 cycle
Environment and hazard risk
ZIP 11724, from FEMA, NOAA and EPA
Natural hazard risk
Relatively High
Top: winter weather
Storm events since 1996
1,830
Countywide, mostly thunderstorm wind
Flood insurance policies
26,160
5.4% of homes, county
July high / Jan low
83° / 25°F
48.5 inches of rain a year
Health statistics
Share of adults in ZIP 11724, CDC PLACES estimates
Obesity
24.9%
U.S. 33.3% -8.4 pts
Diabetes
7.2%
U.S. 12.1% -4.9 pts
Smoking
5.9%
U.S. 12.8% -6.9 pts
Uninsured (18-64)
3.0%
U.S. 11.1% -8.1 pts
Frequently asked questions
- What city is ZIP code 11724?
- ZIP code 11724 is in Cold Spring Harbor, NY (Suffolk County).
- What county is ZIP code 11724 in?
- ZIP code 11724 is mostly in Suffolk County, New York.
- How many people live in ZIP code 11724?
- About 3,073 people live in the 11724 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.