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BHistory
History · Seaside Park

Seaside Park’s post office opened in 1877, and 28% of its homes were built before 1940

More historic than 64% of U.S. towns. What drives it

Its Register listing is the U.S. Life Saving Station Station No. 14. Its Register listing is the U.S. Life Saving Station Station No. 14. Below: 4 old photos and papers, maps from 1888 on, and the census since 1900.

1877first post office
1on the National Register
28%homes built before 1940
4old photos & papers
From Seaside Park’s archive · credits on each photo
Quick answers

How Seaside Park began

When was Seaside Park founded?

1877

The Seaside Park post office opened in 1877, the earliest record of the town by name. Wikidata gives 1898.

First census: 73 in 19002020 census: 1,436149 years

How historic is Seaside Park?

B

More historic than 64% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: the first Seaside Park post office (Blevins & Helbock, CC0). Wikidata: 1898.The full story ↓
History grade

What drives Seaside Park’s History grade

On its age, its old homes and the National Register, Seaside Park is more historic than 64% of U.S. towns. Its share of homes from before 1940 holds the grade up; its age pulls it down.

B
HistoryA character grade: shown, never part of Seaside Park’s overall grade.
All U.S. towns we grade (21,289)Ahead of 64%
NewerOlder

New Jersey towns list more on the Register than most of the country (a typical New Jersey town has 3.7 per 10,000 residents, the U.S. 2.4), so Seaside Park’s 5.6 sits near the middle of its state (59% of New Jersey towns have fewer) while its 1 listings outnumber those of 51% 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 is a Census survey estimate (±4.3 points). The founding year is the first post office, not a stated founding date; Wikidata’s 1898 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 Seaside Park’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 Seaside Park’s collection

The first neighbors to add old photos shape how Seaside Park’s history is told.

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

Seaside Park on the map, 1888 to 1989

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

Seaside Park on the 1888 USGS mapSeaside Park on the 1893 USGS mapSeaside Park on the 1919 USGS mapSeaside Park on the 1941 USGS mapSeaside Park on the 1953 USGS mapSeaside Park on the 1971 USGS mapSeaside Park on the 1989 USGS map1888Barnegat 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 Seaside Park.

People over time

Seaside Park, census by census

05001,0001,5002,0002,5001900192019401960198020002020Peak: 2,263

Peaked at 2,263 in 2000; 1,436 people lived here in 2020.

13 censuses, 1900–2020.

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

The story

How Seaside Park came to be

From Wikipedia’s history of Seaside Park.

Read it all →

The first inhabitants of the barrier island were Lenape Native Americans who came in search of fish, crabs, clams, and scallops. They called this area "Seheyichbi," meaning land bordering the ocean. The Atlantic Ocean provided more than food; these people began using shells in place of wooden beads as their form of currency. These Native Americans, who stayed during the summer and went inland for winter, were part of the principal Algonquian tribe that lived mainly on and around the North American Seaboard. The Algonquians in New Jersey called themselves "Lenni Lenape", which means "original people."

ChaptersDisasters

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Seaside Park, 1877 to 2000

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

  1. 19th century
  2. 1877Post officeThe Seaside Park post office opens
  3. 1888On the mapFirst mapped by the U.S. Geological Survey
  4. 1894BuiltU.S. Life Saving Station Station No. 14 is built
  5. 20th century
  6. 1900In the archiveBoardwalk
  7. 1933In the archiveCLOSER VIEW OF EAST FACADE - Barnegat Lifesaving Station, Decateur and Ocean Boulevards, …
  8. 1978In the archiveArcade
  9. 21st century
  10. 2000CensusPopulation peaks at 2,263
By decade

Seaside Park, decade by decade

3 decades in the archive, from the 1900s to the 1970s. Scroll each row; tap a photo for its story.

1940s–1960snothing yet
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Add from your album
1970s1 item
1980s–1990snothing yet
Nothing in the archives for these yearsWeddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.
Add from your album
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.

Boardwalk
Retake this viewBoardwalk, 1900s

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

Retake this view · +15
On the National Register

1 historic place in Seaside Park

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
first listed
1978
U.S. Life Saving Station Station No. 14

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

Stories next door

History across the town line

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

Questions about Seaside Park’s history

What year was Seaside Park founded?

The Seaside Park post office opened in 1877, the earliest record of the town by name (U.S. post office records). Wikidata gives 1898.

How does Seaside Park rank for history?

Seaside Park is more historic than 64% of U.S. towns. 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 Seaside Park?

One place: the U.S. Life Saving Station Station No. 14 (listed 1978).

How old are the homes in Seaside Park?

28% of Seaside Park’s homes were built before 1940 (Census estimate, ±4.3 points), against a typical 15% for a New Jersey town; the median home was built in 1956.

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 (5), the Library of Congress (1), the National Register of Historic Places (1), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock) and the USGS Geographic Names Information System. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.