Every edition of the U.S. Geological Survey’s map of Chatham Township. Tap a year, or press play to watch the town change.
1900Elkland 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 Chatham Township.
Places that used to be
Lost post offices, old corners and burying grounds
Two other post offices opened and closed inside today’s town.
Little Marsh
1833–1987
East Chatham
1870–1910
18301930today
Hamlets and corners on the map
Christian HillLittle MarshShortsville
4cemeteries and burying grounds inside Chatham Township
CloosHillsideLeeShort
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
The story so far
Chatham Township, in brief
Wikipedia doesn’t have a history of Chatham Township yet. The photos, dates and memories neighbors add here are how it gets written.
Chatham Township is a township in Tioga County, Pennsylvania, United States. The population was 609 at the 2020 census.
Between the 2010 and 2020 censuses its population grew from 588 to 610 (+4%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Chatham Township, 1833 to 1987
Woven from the archive, old maps, post office records, the National Register and the people born here.
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). How TownRatings grades history →
From Wikimedia Commons (2), 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.