1 of Dingman Township’s places is on the National Register
More historic than 32% of U.S. towns · #930 of 1,035 in Pennsylvania. What drives it
Its Register listing is the Callahan House. Most of Dingman Township was built recently: 4% of its homes predate 1940 and the median home dates from 1987. Below: maps from 1913 on and the census since 2000.
On its age, its old homes and the National Register, Dingman Township is more historic than 32% of U.S. towns, #930 of 1,035 in Pennsylvania. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.
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HistoryA character grade: shown, never part of Dingman 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 Dingman Township’s 0.8 sits near the middle of its state (52% of Pennsylvania towns have fewer) while its 1 listings outnumber those of 51% 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 (±2.5 points) is firm at this size.
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 Dingman Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Dark Swamp SchoolschoolGerman SchoolschoolYale Forest Schoolschool
2cemeteries and burying grounds inside Dingman Township
MilfordTravis
Places and cemeteries from the USGS Geographic Names Information System (2021).
On the map
Dingman Township on the map, 1913 to 1992
Every edition of the U.S. Geological Survey’s map of Dingman Township. Tap a year, or press play to watch the town change.
1913Milford 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 Dingman Township.
Dingman Township is more historic than 32% of U.S. towns, #930 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 Dingman Township?
One place: the Callahan House (listed 1979).
How old are the homes in Dingman Township?
4% of Dingman Township’s homes were built before 1940 (Census estimate, ±2.5 points), against a typical 18% for a Pennsylvania town; the median home was built in 1987.
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), Wikidata (1), the National Register of Historic Places (1), Wikipedia, U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia) 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.