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B+History
History · Riverside Township

Riverside Township’s post office opened in 1867, and 42% of its homes were built before 1940

More historic than 69% of U.S. towns · #182 of 468 in New Jersey. What drives it

Its Register listing is the Philadelphia Watch Case Company Building. Below: 1 old photo or paper, maps from 1942 on, and the census since 1880.

1867first post office
1on the National Register
42%homes built before 1940
1old photo or paper
11famous people
From Riverside Township’s archive · credits on each photo
Quick answers

How Riverside Township began

When was Riverside Township founded?

1867

The Riverside Township post office opened in 1867, the earliest record of the town by name. Another post office, Progress (1854), opened inside today’s town and later closed.

First census: 777 in 18802020 census: 8,003159 years

How historic is Riverside Township?

B+

More historic than 69% of U.S. towns, on its age, its old homes and the National Register.

What drives the grade ↓
Founding year: the first Riverside Township post office (Blevins & Helbock, CC0).
History grade

What drives Riverside Township’s History grade

On its age, its old homes and the National Register, Riverside Township is more historic than 69% of U.S. towns, #182 of 468 in New Jersey. Its share of homes from before 1940 holds the grade up; its age pulls it down.

B+
HistoryA character grade: shown, never part of Riverside Township’s overall grade.
All U.S. towns we grade (21,289)Ahead of 69%
NewerOlder
New Jersey towns of 2,500+ (468)Ahead of 61%

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 Riverside Township’s 2.5 sits near the middle of its state (43% of New Jersey towns have fewer) while its 2 historic buildings outnumber those of 60% 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 (±8.0 points). The founding year is the first post office, not a stated founding date.

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 Riverside Township’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 Riverside Township’s collection

The first neighbors to add old photos shape how Riverside Township’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
1 of 10 decades. The empty ones are waiting for someone’s album.
The story so far

Riverside Township, in brief

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

Riverside Township is a township in Burlington County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 8,003, a decrease of 76 (−0.9%) from the 2010 census count of 8,079, which in turn reflected an increase of 168 (+2.1%) from the 7,911 counted in the 2000 census. The township, and all of Burlington County, is a part of the Philadelphia metropolitan area. Riverside was incorporated as a township by an act of the New Jersey Legislature on February 20, 1895, from portions of Delran Township. A portion of the township was annexed by Delran in 1901. The township was originally named Progress which was changed to Riverside for its location on …

Its first post office opened in 1867. Its population held steady between the last two censuses: 8,079 in 2010, 8,003 in 2020.

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

Famous people

11 famous people were born in Riverside Township

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

See all →
Timeline

Riverside Township, 1854 to 1969

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

  1. 19th century
  2. 1854Post officeThe Progress post office opens
  3. 1867Post officeThe Progress post office closes
  4. 1867Post officeThe Riverside post office opens
  5. 20th century
  6. 1941Born hereGeorge Lehmann is born here
  7. 1942On the mapFirst mapped by the U.S. Geological Survey
  8. 1943Born hereArthur Raymond Randolph is born here
  9. 1959Born hereDeron Cherry is born here
  10. 1967Born hereMichael Giacchino is born here
  11. 1969In the archive19690823 08 PC 5470 Riverside, NJ
By decade

Riverside Township, decade by decade

One decade in the archive so far: the 1960s. Scroll each row; tap a photo for its story.

1970s–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
On the map

Riverside Township on the map, 1942 to 1995

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

Riverside Township on the 1942 USGS mapRiverside Township on the 1955 USGS mapRiverside Township on the 1973 USGS mapRiverside Township on the 1995 USGS map1942Burlington 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 Riverside Township.

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.

19690823 08 PC 5470 Riverside, NJ
Retake this view19690823 08 PC 5470 Riverside, NJ, 1969

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

Retake this view · +15
On the National Register

1 historic place in Riverside Township

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

place listed
1
National Historic Landmarks
0
none yet
historic buildings protected
2
each building in a district counts
first listed
1978
Philadelphia Watch Case Company Building

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

People over time

Riverside Township, census by census

02,0004,0006,0008,00018801900192019401960198020002020Peak: 8,591

Between 777 and 8,591 people in every census since 1880.

15 censuses, 1880–2020.

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

Places that used to be

Lost post offices, old corners and burying grounds

Another post office, Progress, opened and closed inside today’s town.

Progress
1854–1867
Riverside
1867–today
18501940today
Hamlets and corners on the map
Riverside
1cemetery inside Riverside Township
Saint Peters

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

Stories next door

History across the town line

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

Questions about Riverside Township’s history

What year was Riverside Township founded?

The Riverside Township post office opened in 1867, the earliest record of the town by name (U.S. post office records).

How does Riverside Township rank for history?

Riverside Township is more historic than 69% of U.S. towns, #182 of 468 in New Jersey. 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 Riverside Township?

One place: the Philadelphia Watch Case Company Building (listed 1978).

How old are the homes in Riverside Township?

42% of Riverside Township’s homes were built before 1940 (Census estimate, ±8.0 points), against a typical 15% for a New Jersey town; the median home was built in 1950.

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 (6), the National Register of Historic Places (1), 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) 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.