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History · Port Monmouth

Port Monmouth’s post office opened in 1861, and 12% of its homes were built before 1940

1 place in town is on the National Register. Below: 2 old photos and papers, maps from 1888 on, and the census since 1880.

1861first post office
1on the National Register
12%homes built before 1940
2old photos & papers
From Port Monmouth’s archive · credits on each photo
Quick answers

How Port Monmouth began

When was Port Monmouth founded?

1861

The Port Monmouth post office opened in 1861, the earliest record of the town by name.

First census: 396 in 18802020 census: 3,745165 years
Founding year: the first Port Monmouth post office (Blevins & Helbock, CC0).

What stands out about Port Monmouth’s past

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

★ What stands out · Help out

Start Port Monmouth’s collection

The first neighbors to add old photos shape how Port Monmouth’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
On the map

Port Monmouth on the map, 1888 to 1998

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

Port Monmouth on the 1888 USGS mapPort Monmouth on the 1893 USGS mapPort Monmouth on the 1901 USGS mapPort Monmouth on the 1947 USGS mapPort Monmouth on the 1954 USGS mapPort Monmouth on the 1970 USGS mapPort Monmouth on the 1981 USGS mapPort Monmouth on the 1998 USGS map1888Sandy Hook 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 Port Monmouth.

The story so far

Port Monmouth, in brief

Wikipedia doesn’t have a history of Port Monmouth yet. The photos, dates and memories neighbors add here are how it gets written.

Port Monmouth is an unincorporated community and census-designated place (CDP) in Middletown Township, situated on the Raritan Bayshore of northern Monmouth County, New Jersey, United States. At the 2020 United States census, the CDP's population was 3,745, a decrease of 73 (−1.9%) from the 2010 census count of 3,818.

Its first post office opened in 1861. Its population held steady between the last two censuses: 3,818 in 2010, 3,745 in 2020.

Intro from Wikipedia. Population: U.S. Census Bureau.

From the old history books

What they wrote about Port Monmouth, 1885–1923

Passages that mention Port Monmouth, cut from the printed page as they were published.

Port Monmouth Hotel, built by Transportation Company, about 1855, Port Monmouth Methodist Church, built 1866, Port Monmouth Transportation Company, incorporated 1855, Port Washongton Dock, at Oceanic, about 1845, Port Washington Hotel, Oceanic, built by Thomas Hunt,
History of Monmouth county, New Jersey ..1885 · page 170Read the page →
Read the text

Port Monmouth Hotel, built by Transportation Company, about 1855, Port Monmouth Methodist Church, built 1866, Port Monmouth Transportation Company, incorporated 1855, Port Washongton Dock, at Oceanic, about 1845, Port Washington Hotel, Oceanic, built by Thomas Hunt,

Text read by machine from the scan; it may contain errors.
Liberty, Staten Island’s villages and shores, including South Beach, the Kills; then Raritan and Middletown’s shores and the pretty villages fringing them and the railroad line —Lorillards, Keansburg, Port Monmouth, Belford, Leonardville, aud last from the western direction, Leonard Avenue station,…
From Indian trail to electric rail1923Read the page →
Read the text

Liberty, Staten Island’s villages and shores, including South Beach, the Kills; then Raritan and Middletown’s shores and the pretty villages fringing them and the railroad line —Lorillards, Keansburg, Port Monmouth, Belford, Leonardville, aud last from the western direction, Leonard Avenue station, etc., Brevent Park with its ever-growing increase of cottages, till down nearly to your feet lie the symmetrical avenues of Atlantic Highlands’ Hubbard tract and the fair

Text read by machine from the scan; it may contain errors.
in those times until the old Southern railroad was built with its terminal at Port Monmouth. “The winter of 1857 was the most severe that I can remember. Sleighing parties went from Highlands to Red Bank on the ice on the river and that winter I took my first iceboat sail, going from Highlands to R…
From Indian trail to electric rail1923Read the page →
Read the text

in those times until the old Southern railroad was built with its terminal at Port Monmouth. “The winter of 1857 was the most severe that I can remember. Sleighing parties went from Highlands to Red Bank on the ice on the river and that winter I took my first iceboat sail, going from Highlands to Red Bank.

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.

By decade

Port Monmouth, decade by decade

One decade in the archive so far: the 1870s. Scroll each row; tap a photo for its story.

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.

Highlands (Village); Middletown Business Notices.; Port Monmouth (Village); Middletown (Village)
Retake this viewHighlands (Village); Middletown Business Notices.; Port Monmouth (Village); Middletown (Village), 1873

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

Retake this view · +15
On the National Register

1 historic place in Port Monmouth

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

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
1
each building in a district counts

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

People over time

Port Monmouth, census by census

05001,0001,5002,0002,5003,0003,5004,00018801900192019401960198020002020Peak: 3,818

Between 396 and 3,818 people in every census since 1880.

7 censuses, 1880–2020.

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

Famous people

Famous people close to Port Monmouth

Nobody well known was born in Port Monmouth itself, so here are the best known from just nearby.

See all →
Stories next door

History across the town line

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

Questions about Port Monmouth’s history

What year was Port Monmouth founded?

The Port Monmouth post office opened in 1861, 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 (2), the Library of Congress (1), U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia) 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.