Founding year: Wikidata. First post office: 1882. Name: Wikipedia, licensed CC BY-SA 4.0.
History grade
What drives Washington Township’s History grade
On its age, its old homes and the National Register, Washington Township is more historic than 57% of U.S. towns. Its age holds the grade up; its National Register listings pull it down.
B
HistoryA character grade: shown, never part of Washington Township’s overall grade.
Pennsylvania towns list about as much on the Register as the country (a typical Pennsylvania town has 2.1 per 10,000 residents, the U.S. 2.4), so Washington Township’s 0.0 sits below most of its state (25% of Pennsylvania towns have fewer) while its 0 listings outnumber those of 23% of U.S. towns.
NoteThe founding year comes from Wikidata alone; no second source gives 1824.
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 (±3.9 points).
Founding year: Wikidata (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 Washington Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Peaked at 3,816 in 1900; 1,893 people lived here in 2020.
18 censuses, 1850–2020.
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 Jefferson County, Pennsylvania, United States. The population was 1,893 at the 2020 census. It was named for President George Washington.
Washington Township was established in 1824. Its population held steady between the last two censuses: 1,926 in 2010, 1,892 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Washington Township, 1824 to 1980
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.
1922Du Bois 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.
Famous people
Famous people close to Washington Township
Nobody well known was born in Washington Township itself, so here are the best known from just nearby.
In 1824, according to Wikidata. Washington Township’s post office opened in 1882, and the census of 1850 counted 646 people here.
How does Washington Township rank for history?
Washington Township is more historic than 57% 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.
How old are the homes in Washington Township?
16% of Washington Township’s homes were built before 1940 (Census estimate, ±3.9 points), against a typical 18% for a Pennsylvania town; the median home was built in 1972.
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), 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.