1 of Silver Spring Township’s places is on the National Register
More historic than 40% of U.S. towns · #857 of 1,035 in Pennsylvania. What drives it
Its Register listing is the George Trimble House. Most of Silver Spring Township was built recently: 7% of its homes predate 1940 and the median home dates from 2000. Below: maps from 1984 on.
What drives Silver Spring Township’s History grade
On its age, its old homes and the National Register, Silver Spring Township is more historic than 40% of U.S. towns, #857 of 1,035 in Pennsylvania. Its National Register listings hold the grade up; its share of homes from before 1940 pulls it down.
C+
HistoryA character grade: shown, never part of Silver Spring 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 Silver Spring Township’s 0.5 sits near the middle of its state (51% 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 is a Census survey estimate (±3.3 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 Silver Spring Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Saint Pauls ChurchchurchTaylor Aviation Air Fieldairport
7cemeteries and burying grounds inside Silver Spring Township
Gibble FarmLongsdorfMount Zion Evangelical MethodistSaint Pauls Evangelical LutheranSilver Spring Presbyterian ChurchTrindle Springs LutheranYoungs United Methodist
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
The story so far
Silver Spring Township, in brief
Wikipedia doesn’t have a history of Silver Spring Township yet. The photos, dates and memories neighbors add here are how it gets written.
Silver Spring Township is a township in Cumberland County, Pennsylvania, United States. The population was 13,657 at the 2010 census, up from 10,592 at the 2000 census.
Between the 2010 and 2020 censuses its population grew from 13,657 to 19,557 (+43%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Silver Spring Township, 1818 to 1984
Woven from the archive, old maps, post office records, the National Register and the people born here.
The U.S. Geological Survey’s map of Silver Spring Township.
1984Carlisle sheet · 1:100,000
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Silver Spring Township.
On the National Register
1 historic place in Silver Spring Township
The country’s official list of buildings and places worth saving.
Silver Spring Township is more historic than 40% of U.S. towns, #857 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 Silver Spring Township?
One place: the George Trimble House (listed 1992).
How old are the homes in Silver Spring Township?
7% of Silver Spring Township’s homes were built before 1940 (Census estimate, ±3.3 points), against a typical 18% for a Pennsylvania town; the median home was built in 2000.
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 (1), Wikidata and Wikipedia for famous people, 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.