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History · Cold Spring Harbor

Cold Spring Harbor’s post office opened in 1825, and 31% of its homes were built before 1940

10 places in town are on the National Register. Below: 16 old photos and papers, maps from 1885 on, and the census since 2000.

1825first post office
10on the National Register
31%homes built before 1940
16old photos & papers
5famous people
From Cold Spring Harbor’s archive · credits on each photo
Quick answers

How Cold Spring Harbor began

When was Cold Spring Harbor founded?

1825

The Cold Spring Harbor post office opened in 1825, the earliest record of the town by name.

First census: 4,975 in 20002020 census: 3,064201 years
Founding year: the first Cold Spring Harbor post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Cold Spring Harbor’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

★ What stands out · On the map

Cold Spring Harbor on the map, 1901 to 1979

Every edition of the U.S. Geological Survey’s map of Cold Spring Harbor. Tap a year, or press play to watch the town change.

Cold Spring Harbor on the 1901 USGS mapCold Spring Harbor on the 1947 USGS mapCold Spring Harbor on the 1954 USGS mapCold Spring Harbor on the 1967 USGS mapCold Spring Harbor on the 1979 USGS map1901Northport sheet · 1:62,500

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Cold Spring Harbor.

By decade

Cold Spring Harbor, decade by decade

4 decades in the archive, from the 1870s to the 1910s. Scroll each row; tap a photo for its story.

On the National Register

10 listings protect 89 historic buildings

The country’s official list of buildings and places worth saving.

places listed
10
National Historic Landmarks
0
none yet
historic buildings protected
89
each building in a district counts

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

The story

How Cold Spring Harbor came to be

From Wikipedia’s history of Cold Spring Harbor.

Read it all →

Cold Spring Harbor was named after the naturally cold freshwater springs that flow in the area. Its economy mainly tied to milling and port activities, it rose in prominence as a whaling community in the mid-nineteenth century. After the decline of whaling in the 1860s, it became a resort town with several hotels. In the 20th century it became known as the site of Cold Spring Harbor Laboratory, although the laboratory itself is located in the adjacent village of Laurel Hollow in Nassau County, which was called Cold Spring before incorporation.

Text from Wikipedia, licensed CC BY-SA 4.0.

From the old history books

What they wrote about Cold Spring Harbor in 1882

Passages that mention Cold Spring Harbor, cut from the printed page as they were published.

After the above date church matters were in abeyance until August 6th 1834, when the Rev. Isaac Sherwood took charge of the mission and ofificiated alternately in this church and the school-house at Cold Spring Harbor. After his ordination to the priesthood, which occurred on the 29th of April 1835…
...History of Suffolk county, New York1882 · page 55Read the page →
Read the text

After the above date church matters were in abeyance until August 6th 1834, when the Rev. Isaac Sherwood took charge of the mission and ofificiated alternately in this church and the school-house at Cold Spring Harbor. After his ordination to the priesthood, which occurred on the 29th of April 1835, the mission at Oyster Bay was under his care for a lime also. The corner stone of St. John's church at Cold Spring Harbor was laid, by

Text read by machine from the scan; it may contain errors.

Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.

Timeline

Cold Spring Harbor, 1873 to 1997

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1873In the archiveTown of Huntington, Suffolk Co. - Amityville, Town of Huntington, Suffolk Co. - Cold Spri…
  3. 1885In the archiveSanborn Fire Insurance Map from Cold Spring Harbor, Suffolk County, New York. LOC sanborn…
  4. 1897Born hereEdwin Tunis is born here
  5. 20th century
  6. 1901On the mapFirst mapped by the U.S. Geological Survey
  7. 1902In the archiveSuffolk County, V. 2, Double Page Plate No. 1 (Map bounded by Lloyds Neck, Eaton Neck, No…
  8. 1910In the archivePSM V76 D312 Department of experimental evolution
  9. 1987Born hereAlex Grendi is born here
  10. 1991Born hereAlex Foxen is born here
  11. 1997Born hereJustin Cooper is born here
Every building

Cold Spring Harbor, building by building, 1885–1917

Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a year, then a sheet.

Cold Spring Harbor fire insurance map, 1885, sheet 11885Sheet 1 of 1
Edition
Sheets
BrickWoodStone

Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.

Then & now

Stand where they stood

No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.

PSM V66 D487 Cold spring harbor station for experimental evolution
Retake this viewPSM V66 D487 Cold spring harbor station for experimental evolution, 1904

Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on Cold Spring Harbor’s page.

Retake this view · +15
People over time

Cold Spring Harbor, census by census

05001,0001,5002,0002,5003,0003,5004,0004,5005,0005,50020002020Peak: 5,070

Between 3,064 and 5,070 people in every census since 2000.

3 censuses, 2000–2020.

U.S. Census Bureau decennial counts, from the census table on Cold Spring Harbor’s Wikipedia page.

Famous people

5 famous people were born in Cold Spring Harbor

Writers, athletes, leaders and more, ranked by how widely they’re known.

See all →
Help out

Finish Cold Spring Harbor’s story

Most archives stop around 1920. The photos from after that are in family albums, not libraries.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
2 of 10 decades. The empty ones are waiting for someone’s album.
Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Questions about Cold Spring Harbor’s history

What year was Cold Spring Harbor founded?

The Cold Spring Harbor post office opened in 1825, the earliest record of the town by name (U.S. post office records).

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
Start a conversation
Sources

Where this page comes from

Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →

From Wikimedia Commons (12), the Library of Congress (4), Wikipedia, Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), Sanborn fire insurance maps (Library of Congress) and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.