On its age, its old homes and the National Register, Jenner Township is more historic than 92% of U.S. towns, #157 of 1,035 in Pennsylvania. All 2 inputs are above most U.S. towns; its share of homes from before 1940 ranks highest and its National Register listings lowest.
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HistoryA character grade: shown, never part of Jenner 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 Jenner Township’s 8.3 sits above most of its state (74% of Pennsylvania towns have fewer) while its 3 historic buildings outnumber those of 65% of U.S. towns.
How sure. Graded on two of the three inputs, so a change in either one moves the letter more than it would with three. The pre-1940 share is a Census survey estimate (±8.1 points).
Founding year: our sources. 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 Jenner 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 Jenner Township. Tap a year, or press play to watch the town change.
1913Somerset 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 Jenner Township.
Initial hunters and settlers in the territory that includes present-day Jenner Township were Mingo, also known as the Seneca, one of the Six Nations of the Iroquois. The land was ceded by the Iroquois Six Nations officially by the Treaty of Fort Stanwix of 1768 to Penn family as proprietors of Pennsylvania province. Early European traders crossed Jenner Township as early as 1750, when Christopher Gist documented his brief time there in his travel diary. Gist is said to have named Quemahoning Creek, which drains much of Jenner Township. The Northern Trail, an established Indian trail, crossed the territory from east to west, intersecting Quemahoning Creek at Kickenapaulin's Town, a rather substantial Indian settlement, the site of which now lies under the waters of the Quemahoning Reservoir, just outside the township. In August 1758, the Northern Trail was improved, initially for the Bri…
Jenner Township is more historic than 92% of U.S. towns, #157 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 Jenner Township?
Two places: the Bridge in Jenner Township (listed 1988) and the Matthew Hair Farm (1996).
How old are the homes in Jenner Township?
33% of Jenner Township’s homes were built before 1940 (Census estimate, ±8.1 points), against a typical 18% for a Pennsylvania town; the median home was built in 1960.
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 the National Register of Historic Places (2), Wikipedia, U.S. Geological Survey historical maps, 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.
