ZIP Code Tabulation Area · New York

ZIP Code 11724: Cold Spring Harbor, NY

ZIP Code 11724 (Cold Spring Harbor, Suffolk County, New York) has an estimated 3,073 residents in 1,017 households. The median household income is $250,000+, the median home value is $1,641,000 and the median gross rent is —. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Total population

3,073

Margin of error ±425

Median household income

$250,000+

Margin of error not available

Median home value

$1,641,000

Margin of error ±$97,745

Median gross rent

—

Margin of error not available

Median age

41.5 yrs

Margin of error ±4.2 yrs

Mean travel time to work

34.9 min

Margin of error ±11.2 min

How ZIP 11724 compares with New York and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 1172441.5 yrsNew York39.8 yrsUnited States38.9 yrs

Median household income

ZIP 11724$250,000+New York$85,974United States$80,734

Per capita income

ZIP 11724$112,377New York$50,712United States$44,673

Poverty rate

ZIP 117242.3%New York14.0%United States12.5%

Unemployment rate

ZIP 117241.0%New York6.4%United States5.2%

Bachelor's degree or higher

ZIP 1172479.4%New York40.2%United States35.7%

Median home value

ZIP 11724$1,641,000New York$423,800United States$332,700

Median gross rent

ZIP 11724—New York$1,621/moUnited States$1,413/mo

Owner-occupied homes

ZIP 1172492.7%New York54.3%United States65.2%

Mean travel time to work

ZIP 1172434.9 minNew York32.6 minUnited States26.4 min

Worked from home

ZIP 1172429.5%New York14.9%United States15.1%

All figures for ZIP 11724

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 11724 — ACS 2020–2024 5-year estimates
MeasureZIP 11724Margin of errorNew YorkUnited States
Total population3,073±42519,852,366334,922,499
Median age41.5 yrs±4.2 yrs39.8 yrs38.9 yrs
Households1,017±1417,722,646129,227,496
Median household income$250,000+—$85,974$80,734
Per capita income$112,377±$12,027$50,712$44,673
Poverty rate2.3%±1.8 pts14.0%12.5%
Unemployment rate1.0%±1.2 pts6.4%5.2%
Bachelor's degree or higher79.4%±9.3 pts40.2%35.7%
Median home value$1,641,000±$97,745$423,800$332,700
Median gross rent——$1,621/mo$1,413/mo
Owner-occupied homes92.7%±6.2 pts54.3%65.2%
Mean travel time to work34.9 min±11.2 min32.6 min26.4 min
Worked from home29.5%±6.6 pts14.9%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 11724
GroupZIP 11724New YorkUnited States
White alone, not Hispanic or Latino86.6%52.8%57.4%
Black or African American alone, not Hispanic or Latino0.4%13.4%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.2%0.5%
Asian alone, not Hispanic or Latino4.5%9.0%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.0%0.2%
Some other race alone, not Hispanic or Latino2.3%1.0%0.6%
Two or more races, not Hispanic or Latino3.6%3.8%4.3%
Hispanic or Latino (of any race)2.6%19.8%19.3%

Where ZIP 11724 is

State
New York
Main county
Suffolk County
Largest overlapping place
Cold Spring Harbor (85% of the ZIP's land area)
Land area
3.86 sq mi· about 796 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Suffolk County

11705 Bayport, NY11706 Bay Shore, NY11713 North Bellport, NY11715 Blue Point, NY11716 Bohemia, NY11718 Brightwaters, NY11719 Brookhaven, NY11720 Centereach, NY11721 Centerport, NY11722 Central Islip, NY11725 Commack, NY11726 Copiague, NY11727 Coram, NY11729 Deer Park, NY11730 East Islip, NY11731 East Northport, NY11733 East Setauket, NY11735 East Farmingdale, NY11738 Farmingville, NY11739 Great River, NY11740 Greenlawn, NY11741 Holbrook, NY11742 Holtsville, NY11743 Lloyd Harbor, NY

See every ZIP code in New York, or compare ZIP 11724 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.