Washington Township dates to 1802, and 25% of its homes were built before 1940
1 place in town is on the National Register, among them a historic district with 20 buildings. Below: 1 old photo or paper, maps from 1890 on, and the census since 1810.
Lost two-thirds of its people between 1850 and 1890, then more than doubled.
22 censuses, 1810–2020.
U.S. Census Bureau decennial counts, from the census table on Washington Township’s Wikipedia page.
The story so far
Washington Township, in brief
Wikipedia doesn’t have a history of Washington Township yet. The photos, dates and memories neighbors add here are how it gets written.
Washington 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 693, an increase of 6 (+0.9%) from the 2010 census count of 687, which in turn reflected an increase of 66 (+10.6%) from the 621 counted in the 2000 census. The township, and all of Burlington County, is a part of the Philadelphia metropolitan area. Washington was incorporated as a township by an act of the New Jersey Legislature on November 19, 1802, from portions of Evesham Township, Little Egg Harbor Township and Northampton Township (now known as Mount Holly Township, New Jersey). Portions of the township were taken to form Shamong T…
Washington Township was established in 1802. Its population held steady between the last two censuses: 687 in 2010, 693 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Washington Township, 1802 to 1954
Woven from the archive, old maps, post office records, the National Register and the people born here.
Every edition of the U.S. Geological Survey’s map of Washington Township. Tap a year, or press play to watch the town change.
1890Mullica 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 Washington Township.
On the National Register
1 listing protects 20 historic buildings
The country’s official list of buildings and places worth saving.
In 1802, according to Wikidata and Wikipedia’s history of the town. Washington Township’s post office opened in 1840, and the census of 1810 counted 1,273 people here.
What is on the National Register in Washington Township?
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 National Register of Historic Places (1), 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.