The Charleston Township post office opened in 1831, the earliest record of the town by name. Three smaller post offices, Charleston (1831), East Charleston (1854) and Round Top (1872), opened inside today’s town and later closed.
First census: 3,233 in 20002020 census: 3,565195 years
How historic is Charleston Township?
B+
More historic than 67% of U.S. towns, on its age, its old homes and the National Register.
Founding year: the first Charleston Township post office (Blevins & Helbock, CC0).
History grade
What drives Charleston Township’s History grade
On its age, its old homes and the National Register, Charleston Township is more historic than 67% of U.S. towns, #521 of 1,035 in Pennsylvania. Its share of homes from before 1940 holds the grade up; its National Register listings pull it down.
B+
HistoryA character grade: shown, never part of Charleston 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 Charleston Township’s 0.0 sits below most of its state (25% of Pennsylvania towns have fewer) while its 0 listings outnumber those of 23% 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 (±9.0 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 Charleston Township’s past
Read from the archive, the National Register and the record. The page puts what stands out first.
Wikipedia doesn’t have a history of Charleston Township yet. The photos, dates and memories neighbors add here are how it gets written.
Charleston Township is a township in Tioga County, Pennsylvania, United States. The population was 3,560 at the 2020 census. Hills Creek State Park, one of 120 Pennsylvania state parks, is in Charleston Township.
Its first post office opened in 1831. Between the 2010 and 2020 censuses its population grew from 3,360 to 3,565 (+6%).
Intro from Wikipedia. Population: U.S. Census Bureau.
By decade
Charleston Township, decade by decade
One decade in the archive so far: the 1790s. Scroll each row; tap a photo for its story.
The U.S. Geological Survey’s map of Charleston Township.
1970Cherry Flats sheet · 1:24,000
U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Charleston Township.
People over time
Charleston Township, census by census
Between 3,233 and 3,560 people in every census since 2000.
3 censuses, 2000–2020.
U.S. Census Bureau decennial counts, from the census table on Charleston Township’s Wikipedia page.
Stories next door
History across the town line
Each neighbor’s History grade, on the same three inputs.
The Charleston Township post office opened in 1831, the earliest record of the town by name (U.S. post office records).
How does Charleston Township rank for history?
Charleston Township is more historic than 67% of U.S. towns, #521 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.
How old are the homes in Charleston Township?
26% of Charleston Township’s homes were built before 1940 (Census estimate, ±9.0 points), against a typical 18% for a Pennsylvania town; the median home was built in 1985.
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 (5), 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) 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.