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Cold Spring Harbor, NY Post Office; 11724
New York›Suffolk County

Cold Spring HarborNY

6 bordering townsMap →
Photo: DanTD · CC BY-SA 4.0
Photo of Cold Spring Harbor

Cold Spring Harbor, NY · Photo: DanTD · CC BY-SA 4.0 · Source ↗

Is Cold Spring Harbor a good place to live?

Cold Spring Harbor’s trail density is 1.9 miles per square mile, above both the New York town median (0.4) and the median of U.S. towns (0.4). The biggest park or preserve is Froehlich Farms Nature Preserve, at 127 acres. We don’t grade Cold Spring Harbor yet; the figures below are still real.

What makes Cold Spring Harbor stand out

Where Cold Spring Harbor beats most towns.

A shrinking town

Cold Spring Harbor has shrunk 40% from 2010 to 2020

5,070 counted in 2010 and 3,064 in 2020.

5,0702010
3,0642020

U.S. Census 2010 & 2020 counts

PSM V66 D487 Cold spring harbor station for experimental evolution
PSM V66 D487 Cold spring harbor station for experimental evolution, 1904
Cold Spring Harbor’s story

201 years in pictures

Census counts: 4,975 in 2000, 3,064 in 2020. The archive holds 16 old photos and papers going back to 1873 and 5 maps from 1901 on.

  • 1825Cold Spring Harbor is settled
Explore the history →
Nearby attractions

Central Park and 500 more within 40 miles

Museums, parks, gardens and other places to visit around Cold Spring Harbor. Close and well known come first.

All 589 attractions →
Sources: National Park Service · ski areas © OpenSkiMap / OpenStreetMap contributors · Wikidata · Wikipedia readership · photos via Wikimedia Commons
Photo credits

Central Park: Ed Yourdon from New York City, USA, CC BY-SA 2.0 · Madison Square Garden: Ajay Suresh from New York, NY, USA, CC BY 2.0 · Studio 54: Americasroof (talk), CC BY-SA 3.0 · Metropolitan Museum of Art: Hugo Schneider, CC BY-SA 2.0 · MetLife Stadium: babyknight, CC BY 2.0 · Yankee Stadium: Matt Boulton, CC BY-SA 2.0

Getting set up

Moving to Cold Spring Harbor: who provides what

Cold Spring Harbor is unincorporated, so Suffolk County and regional agencies provide most services.

PowerPSEG Long Island26.2¢/kWh · EIA 2025HIFLD · EIA
WaterSuffolk County Water AuthorityNo health-based violations in 5 years · EPAEPA
Internet3 providers99% of addresses get 100/20 MbpsFCC
Trash & county servicesSuffolk CountySuffolk County provides services here
SchoolsCold Spring Harbor Central School DistrictWhich school depends on your addressNCES
Register to voteOnlineIn New York you can register online until 10 days before Election Day, in person until 10 days before Election Day, or by mail (postmarked 15 days before and received 10 days before).vote.gov
Who runs elections hereSuffolk County Board of ElectionsSuffolk County; contacts on the Handbook page.FVAP, Sep 2024
ZIP codes11724, 1174311724 95% · 11743 5%Census 2020

EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Aug 3, 2026.

The data

Ordered by what stands out in Cold Spring Harbor.

Housing

The typical home in Cold Spring Harbor is valued at about $1.9M

Home values are up 8.9% over the year to September 2026. Cold Spring Harbor: 94% of households own their home.

$1.9MZillow home value

Typical home value

Cold Spring Harbor$1.9M
New York$525K
+8.9%
value change, 1 year
4
homes sold in May

Census ACS, 2020–24 · Zillow Home Value Index · Redfin Data Center

Natural hazards

Cold Spring Harbor faces a very low natural-hazard risk, led by inland flooding

In Cold Spring Harbor, the FEMA risk score is 18 of 100. Since 2017, 4 flood insurance claims have been paid out here. Expected losses in Cold Spring Harbor break down as 70% from inland flooding and 12% from hurricanes.

18risk score of 100
FEMA risk score
18Very low riskLowerHigher
Inland floodingHurricanesEarthquakes
4
paid flood claims since 2017

FEMA flood insurance claims · FEMA National Risk Index · OpenFEMA

Outdoors

18.5% of the land in Cold Spring Harbor is protected from building

In 7 parks and preserves, walkers have 6.8 miles of trail.

18.5%conserved
18.5%
conserved · 423 of 2,279 acres
6.8 mi
of trails · 1.9 per sq mi
Biggest places to walkTrailsAcres
1. Uplands Farm Sanctuary2.9 mi86
2. Trail View State Park1.2 mi56
3. Cold Spring Harbor State Park0.9 mi44

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

32″snow a winter

Typical low → high °F

Winter27–42°
Spring42–59°
Summer65–82°
Fall49–65°
Nov 10
typical first frost
Apr 9
typical last frost
+2.3°
vs. the 20th-century average

NOAA U.S. Climate Normals, 1991–2020

Work & commute

The median household income in Cold Spring Harbor is higher than in the typical New York or U.S. town

1.5% of residents live below the poverty line in Cold Spring Harbor, where New York’s towns sit at 9.5% and U.S. towns at 9.6%. Jobs here fell by 914 from 2013 to 2023, to 943. Its average trip to work comes in at 34 minutes. For most workers, Cold Spring Harbor is a place to come home to: only 4% work in town.

4%work in town
Cold Spring HarborNew York townsU.S. towns
Median household income$250,000$82,000$80,000
Average trip to work34 minutes25 minutes25 minutes
Below the poverty line1.5%9.5%9.6%
Working residents who work in town3.9%10%8%

Where working residents work

In Cold Spring Harbor4%
New York27%
Huntington16%
Oyster Bay14%
North Hempstead9%
14 mi
median commute distance
943
jobs based in Cold Spring Harbor
Balanced
jobs vs. working residents

Census LEHD 2023 · ACS

Health

Cold Spring Harbor stands out in New York and nationally: a smaller share of its adults smoke cigarettes

For adults in Cold Spring Harbor, the share who report frequent physical distress is 8.9%. Only 10 of the 756 New York towns we compare have a lower share of adults who get no exercise outside work than Cold Spring Harbor. CDC measures, 32 in all: Cold Spring Harbor beats New York on 23 and trails on 1.

Cold Spring HarborNew York townsU.S. towns
Smoke cigarettes (CDC PLACES)5.7%13%14%
Frequent physical distress (CDC PLACES)8.9%14%14%
Feel lonely (CDC PLACES)26%32%33%
Frequent mental distress (CDC PLACES)12%16%17%
32 measures vs. New York
23 better8 too close to call1 worse
What stands outCold Spring HarborNY
Fewer adults facing food insecurity5.3%17.2%
Fewer uninsured adults2.9%7.9%
More adults who have had cancer9.8%7.7%
NS/Lij HS Huntington Hospital
2.3 mi away · emergency room
None
primary care, dental or mental-health shortage

CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA

Keep exploring

Everything we know about Cold Spring Harbor

17pages on Cold Spring Harbor
After high school

Colleges nearby

13 within 15 miles of the center of Cold Spring Harbor

Famous people from Cold Spring Harbor

5 notable people were born in Cold Spring Harbor.

See all 5 →

About Cold Spring Harbor

Hamlet and census-designated place in New York, United States

Cold Spring Harbor is a hamlet and census-designated place (CDP) in the Town of Huntington, in Suffolk County, on the North Shore of Long Island in New York. As of the 2020 census, Cold Spring Harbor had a population of 3,064.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Area
3.8 sq mi
Elevation
33 ft
ZIP code
11724

Cold Spring Harbor’s neighbors

6 towns share a border with Cold Spring Harbor.

Explore the map →
How the neighbors grade
TownNY rankOverallCostSafetySchoolsHealth
Cold Spring Harbor——————
Lloyd Harbor#40A+D—A+A+
Huntington#61AD−—AA+
Oyster Bay——D−——A+
Laurel Hollow——D—A+A+
West Hills——————
Woodbury——————

Laurel Hollow has fewer than 2,500 residents, so it gets subject grades but no overall grade. Lloyd Harbor, Huntington, Oyster Bay and Laurel Hollow report no FBI crime data of their own. Cold Spring Harbor, Oyster Bay, West Hills and Woodbury aren’t graded (fewer than 1,000 residents, or not enough data). Compare Cold Spring Harbor with a neighbor →

Questions about Cold Spring Harbor

Short answers, built from the data on this page.

Is Cold Spring Harbor, NY a good place to live?

We don’t grade Cold Spring Harbor yet; the figures below are still real.

What is Cold Spring Harbor, NY known for?

5 notable people were born here, including Alex Grendi and Alex Foxen.