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BHistory
History · Mount Vernon

Mount Vernon’s post office opened in 1851, and 34% of its homes were built before 1940

More historic than 63% of U.S. towns · #575 of 758 in New York. What drives it

5 places in town are on the National Register. Below: 11 old photos and papers, maps from 1887 on, and the census since 1870.

1851first post office
5on the National Register
34%homes built before 1940
11old photos & papers
44famous people
From Mount Vernon’s archive · credits on each photo
Quick answers

How Mount Vernon began

When was Mount Vernon founded?

1851

The Mount Vernon post office opened in 1851, the earliest record of the town by name. Wikidata gives 1892.

First census: 2,700 in 18702020 census: 73,893175 years

How historic is Mount Vernon?

B

More historic than 63% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: the first Mount Vernon post office (Blevins & Helbock, CC0). Wikidata: 1892.The full story ↓
History grade

What drives Mount Vernon’s History grade

On its age, its old homes and the National Register, Mount Vernon is more historic than 63% of U.S. towns, #575 of 758 in New York. Its share of homes from before 1940 holds the grade up; its age pulls it down.

B
HistoryA character grade: shown, never part of Mount Vernon’s overall grade.
All U.S. towns we grade (21,289)Ahead of 63%
NewerOlder
New York towns of 2,500+ (758)Ahead of 24%

New York towns list more on the Register than most of the country (a typical New York town has 12.3 per 10,000 residents, the U.S. 2.4), so Mount Vernon’s 0.8 sits below most of its state (21% of New York towns have fewer) while its 6 historic buildings outnumber those of 72% of U.S. towns.

How sure. Graded on any two of the three inputs instead, the letter would range from C to A−. The pre-1940 share (±2.7 points) is firm at this size. The founding year is the first post office, not a stated founding date; Wikidata’s 1892 falls in the same era, so the grade doesn’t depend on which one is used.

Founding year: the first post office (other dates in Quick answers). Homes: Census ACS 2020–24. National Register: National Park Service, May 2026 list; each listing counted once (boundary changes and added documentation belong to their listing), and a historic district counts its contributing buildings. How TownRatings grades history →

What stands out about Mount Vernon’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

Mount Vernon on the map, 1897 to 1995

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

Mount Vernon on the 1897 USGS mapMount Vernon on the 1900 USGS mapMount Vernon on the 1947 USGS mapMount Vernon on the 1956 USGS mapMount Vernon on the 1966 USGS mapMount Vernon on the 1979 USGS mapMount Vernon on the 1995 USGS map1897Harlem 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 Mount Vernon.

Places that used to be

Old corners, places now gone and burying grounds

Mount Vernon’s post office has been open since 1851.

Hamlets and corners on the map
Chester Hill ParkElmsmereFleetwoodParksidePinckney HeightsSunny BraeVernon ParkWest Mount Vernon
Gone or out of use
Biltmore TheaterbuildingChurch of God in ChristchurchChurch of the Holy ComforterchurchCongregation Emanu-ElchurchEmbassy TheatrebuildingHoly Trinity ChurchchurchMcArthur CirclelocaleParkway TheaterbuildingSinai Templechurch
1cemetery inside Mount Vernon
Saint Pauls Protestant Episcopal

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Famous people

44 famous people were born in Mount Vernon

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

See all →
The story

How Mount Vernon came to be

From Wikipedia’s history of Mount Vernon.

Read it all →

The Mount Vernon area was first settled in 1664 by families from Connecticut as part of the Town of Eastchester.

Mount Vernon became a village in 1853 and a city in 1892. Early development was driven by the New York Industrial Home Association No. 1, a home building cooperative organized to build homes for "tradesmen, employees, and other persons of small means".

Mount Vernon takes its name from George Washington's Mount Vernon plantation in Virginia, much as neighboring Wakefield (in the Bronx) was named for the Virginia plantation where Washington was born.

Text from Wikipedia, licensed CC BY-SA 4.0.

From the old history books

What they wrote about Mount Vernon, 1859–1903

Passages that mention Mount Vernon, cut from the printed page as they were published.

letter to a young friend and relative acting as her temporary secretary, giving minute instructions to Miss Tracy and Mr. Herbert concerning the affairs of Mount Vernon and regarding the funds available for the running expenses of the place during the continuance of the war. She directed, in case o…
Historical sketch of Ann Pamela Cunningham, "The Southern matron," founder of "The Mount Vernon Ladies' Association."1903 · page 27Read the page →
Read the text

letter to a young friend and relative acting as her temporary secretary, giving minute instructions to Miss Tracy and Mr. Herbert concerning the affairs of Mount Vernon and regarding the funds available for the running expenses of the place during the continuance of the war. She directed, in case of the occupation of the region around Mount Vernon by troops of either or both the Union and

Text read by machine from the scan; it may contain errors.
mere pleasures of the chase, now offered its attractions to the lad. Master Williams had taught him the mysteries of surveying, and the old Lord Fairfax, having observed his practice of the art at Mount Vernon, and his extreme care and accuracy, proposed to him to go to his broad possessions beyond…
Mount Vernon and its associations1859 · page 34Read the page →
Read the text

mere pleasures of the chase, now offered its attractions to the lad. Master Williams had taught him the mysteries of surveying, and the old Lord Fairfax, having observed his practice of the art at Mount Vernon, and his extreme care and accuracy, proposed to him to go to his broad possessions beyond the Blue Eidge, where lawless intruders were seated, and prepare his domain for settlement, by running boundary lines between large sections. Tlie lad gladly acceded to the

Text read by machine from the scan; it may contain errors.
ance of the Association in the future, but it is remarkable for its lack of self -consciousness. Heartbroken as Miss Cunningham was in bidding a last farewell to Mount Vernon and her old tried friends, no word of this escapes her; no lamentation; but, self-forgetting, she is concerned only with the…
Historical sketch of Ann Pamela Cunningham, "The Southern matron," founder of "The Mount Vernon Ladies' Association."1903 · page 49Read the page →
Read the text

ance of the Association in the future, but it is remarkable for its lack of self -consciousness. Heartbroken as Miss Cunningham was in bidding a last farewell to Mount Vernon and her old tried friends, no word of this escapes her; no lamentation; but, self-forgetting, she is concerned only with the welfare of the Association she founded for the preservation of Washington's Mount Vernon, which she redeemed

Text read by machine from the scan; it may contain errors.
The mansion at Mount Vernon was soon thoroughly repaired, and many ornaments and pieces of furniture, not known to it before, were placed in it. Whatever had been used in the presidential mansion at Philadelphia, and could be appropriately transferred to Mount Vernon, were reserved, when Washington…
Mount Vernon and its associations1859 · page 300Read the page →
Read the text

The mansion at Mount Vernon was soon thoroughly repaired, and many ornaments and pieces of furniture, not known to it before, were placed in it. Whatever had been used in the presidential mansion at Philadelphia, and could be appropriately transferred to Mount Vernon, were reserved, when Washington broke up his establishment in the federal capital, and disposed of all superfluities.

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

Mount Vernon, 1850 to 1978

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

  1. 19th century
  2. 1850In the archiveNew York Industrial Home Association No. 1 Advertisement
  3. 1851Post officeThe Mount Vernon post office opens
  4. 1857BuiltTrinity Episcopal Church Complex is built
  5. 1890In the archiveChester Hill, Mount Vernon, Westchester Co., New York; 13 miles from the Grand Central De…
  6. 1897On the mapFirst mapped by the U.S. Geological Survey
  7. 1899Born hereE. B. White is born here
  8. 20th century
  9. 1903In the archiveThe Armory, Mt. Vernon, N.Y
  10. 1918Born hereArt Carney is born here
  11. 1921Born hereArthur Leonard Schawlow is born here
  12. 1966Born hereMichael Imperioli is born here
  13. 1978BuiltSt. Paul's Church National Historic Site is built
By decade

Mount Vernon, decade by decade

3 decades in the archive, from the 1850s to the 1900s. Scroll each row; tap a photo for its story.

Every building

Mount Vernon, building by building, 1887–1918

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.

Mount Vernon fire insurance map, 1887, sheet 51887Sheet 5 of 14
Edition
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.

New York Industrial Home Association No. 1 Advertisement
Retake this viewNew York Industrial Home Association No. 1 Advertisement, 1850

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

Retake this view · +15
On the National Register

5 historic places in Mount Vernon

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

places listed
5
National Historic Landmarks
0
none yet
historic buildings protected
6
each building in a district counts
first listed
1966
St. Paul's Church National Historic Site
Buildings

Architectural styles listings

Georgian1
Neoclassical1
Mid-19th Century1
Gothic Revival1
Late Victorian1
Romanesque Revival1

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

People over time

Mount Vernon, census by census

020,00040,00060,00080,00018801900192019401960198020002020Peak: 76,010

Between 2,700 and 76,010 people in every census since 1870.

16 censuses, 1870–2020.

U.S. Census Bureau decennial counts, from the census table on Mount Vernon’s Wikipedia page.

Help out

Finish Mount Vernon’s story

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
1 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 Mount Vernon’s history

What year was Mount Vernon founded?

The Mount Vernon post office opened in 1851, the earliest record of the town by name (U.S. post office records). Wikidata gives 1892.

How does Mount Vernon rank for history?

Mount Vernon is more historic than 63% of U.S. towns, #575 of 758 in New York. The History grade combines the town’s founding era, the share of homes built before 1940 and its National Register listings. It’s a character grade, so it isn’t part of the overall grade. How it works.

What is on the National Register in Mount Vernon?

5 listings: 5 buildings, among them the St. Paul's Church National Historic Site (listed 1966, the first). 6 historic buildings in all.

How old are the homes in Mount Vernon?

34% of Mount Vernon’s homes were built before 1940 (Census estimate, ±2.7 points), against a typical 27% for a New York town; the median home was built in 1953.

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).

From Wikimedia Commons (8), the Library of Congress (3), Wikidata (1), the National Register of Historic Places (5), Wikipedia, Wikidata and Wikipedia for famous people, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System, 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.