The Shenango Township post office opened in 1888, the earliest record of the town by name. Five smaller post offices, Energy (1882), Shenango (1888) and Duckrun (1896), opened inside today’s town and later closed.
First census: 7,798 in 19702020 census: 7,133138 years
How historic is Shenango Township?
B−
More historic than 54% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Shenango Township post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives Shenango Township’s History grade
On its age, its old homes and the National Register, Shenango Township is more historic than 54% of U.S. towns, #691 of 1,035 in Pennsylvania. Its share of homes from before 1940 holds the grade up; its age pulls it down.
B−
HistoryA character grade: shown, never part of Shenango 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 Shenango Township’s 1.4 sits near the middle of its state (55% of Pennsylvania 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 B+. The pre-1940 share is a Census survey estimate (±5.1 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 Shenango Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Every edition of the U.S. Geological Survey’s map of Shenango Township. Tap a year, or press play to watch the town change.
1902New Castle 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 Shenango Township.
Named for the Shenango River, Shenango Township was incorporated in 1804 as a part of Beaver County, Pennsylvania; Lawrence County did not yet exist. Shenango Township was carved out of the neighboring North Beaver Township, Pennsylvania. At the time of its establishment, Shenango Township stretched from the Shenango River to the Slippery Rock Creek gorge. Over the next 100 years portions of the township would be annexed or reduced to create, South New Castle Borough, Pollock Township (which later became the City of New Castle), Taylor Township, and Slippery Rock Township.
Passages that mention Shenango Township, cut from the printed page as they were published.
20th century history of New Castle and Lawrence County, Pennsylvania1908 · page 59Read the page →
Read the text
Jetferson Street. There is some difference of opinion regarding the time this church was erected. Seth Rigby, a former resident of Shenango Township, said he hewed the logs for it before he entered the army, which he did in 1814. Joseph Justice said there was no church erected when he left the town in 1815. It is probable that both
Text read by machine from the scan; it may contain errors.
20th century history of New Castle and Lawrence County, Pennsylvania1908 · page 246Read the page →
Read the text
tlement of the township there were no grist-mills erected, and the nearest one in the early times was to the south, in the present Shenango Township. About 1825 Henry Reynolds built a grist-mill on Hettenbaugh Run, a mile east of the village of Eastbrook, and operated it until 1837, when he sold out to William
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.
Timeline
Shenango Township, 1840 to 1903
Woven from the archive, old maps, post office records, the National Register and the people born here.
The Shenango Township post office opened in 1888, the earliest record of the town by name (U.S. post office records).
How does Shenango Township rank for history?
Shenango Township is more historic than 54% of U.S. towns, #691 of 1,035 in Pennsylvania. 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 Shenango Township?
One place: the New Castle Armory (listed 1991).
How old are the homes in Shenango Township?
18% of Shenango Township’s homes were built before 1940 (Census estimate, ±5.1 points), against a typical 18% for a Pennsylvania town; the median home was built in 1965.
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 (4), Wikidata (1), the National Register of Historic Places (1), Wikipedia, 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), the USGS Geographic Names Information System 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.