The St. Thomas Township post office opened in 1824, the earliest record of the town by name. Two smaller post offices, Stone Bridge (1873) and Edenville (1882), opened inside today’s town and later closed.
First census: 5,775 in 20002020 census: 5,917202 years
How historic is St. Thomas Township?
A−
More historic than 81% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first St. Thomas Township post office (Blevins & Helbock, CC0).The full story ↓
History grade
What drives St. Thomas Township’s History grade
On its age, its old homes and the National Register, St. Thomas Township is more historic than 81% of U.S. towns, #312 of 1,035 in Pennsylvania. All 3 inputs are above most U.S. towns; its National Register listings ranks highest and its share of homes from before 1940 lowest.
A−
HistoryA character grade: shown, never part of St. Thomas 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 St. Thomas Township’s 13.4 sits above most of its state (80% of Pennsylvania towns have fewer) while its 8 historic buildings outnumber those of 74% of U.S. towns.
How sure. Graded on any two of the three inputs instead, the letter would range from B+ to A−. The pre-1940 share is a Census survey estimate (±8.2 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 St. Thomas Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
14cemeteries and burying grounds inside St. Thomas Township
Brandts ChurchBrindleCoble FamilyCrider Family FarmCridersEdenville Methodist ChurchOver FamilyPlum - Schneider FarmSaint ThomasSaint Thomas LutheranSaint Thomas Methodist EpiscopalSaint Thomas United Brethren ChurchTrinity United Church of ChristZion United Brethren
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
On the map
St. Thomas Township on the map, 1900 to 1990
Every edition of the U.S. Geological Survey’s map of St. Thomas Township. Tap a year, or press play to watch the town change.
1900Mercersburg 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 St. Thomas Township.
The Franklin Furnace Historic District, Chambersburg and Bedford Turnpike Road Company Toll House, and Woodland are listed on the National Register of Historic Places.
Passages that mention St. Thomas Township, cut from the printed page as they were published.
History of Franklin county, Pennsylvania1887 · page 900Read the page →
Read the text
A. G. Stark in commanding the company till the campaign was over. He came back to his father's home and remained a short time. In 1865 he went to Waynesboro, learned the blacksmith's trade, and worked two years with Wash McGinly. He then came to St. Thomas Township, and lived with his father until the spring of 1869, when he moved to Charles Gillan' s hotel and worked at blacksmithing three years. He then moved his family to Five Forks, went to Altoona and worked in the railroad shop five months. November 7, 1872, he moved to St. Thomas, bought property and two lots, and has since lived
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
St. Thomas Township, 1824 to 1900
Woven from the archive, old maps, post office records, the National Register and the people born here.
The St. Thomas Township post office opened in 1824, the earliest record of the town by name (U.S. post office records).
How does St. Thomas Township rank for history?
St. Thomas Township is more historic than 81% of U.S. towns, #312 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 St. Thomas Township?
Three places: the Woodland (listed 1973), the Chambersburg and Bedford Turnpike Road Company Toll House (1978) and the Franklin Furnace Historic District (1991).
How old are the homes in St. Thomas Township?
13% of St. Thomas Township’s homes were built before 1940 (Census estimate, ±8.2 points), against a typical 18% for a Pennsylvania town; the median home was built in 1976.
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 (3), Wikipedia, 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.