Lost post offices, old corners and burying grounds
Three other post offices opened and closed inside today’s town.
Mahanoy
1827–1911
Mandata
1886–1909
Red Cross
1911–1936
18201920today
Hamlets and corners on the map
KneassMandataOttoRed Cross
1cemetery inside Jackson Township
Saint John's Lutheran
US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).
On the map
Jackson Township on the map, 1893 to 1975
Every edition of the U.S. Geological Survey’s map of Jackson Township. Tap a year, or press play to watch the town change.
1893Millersburg 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 Jackson Township.
The story so far
Jackson Township, in brief
Wikipedia doesn’t have a history of Jackson Township yet. The photos, dates and memories neighbors add here are how it gets written.
Jackson Township is a township in Northumberland County, Pennsylvania, United States. The population at the time of the 2010 Census was 875, which documented a decline in population from the figure of 928 that was tabulated in 2000.
Between the 2010 and 2020 censuses its population grew from 875 to 898 (+3%).
Intro from Wikipedia. Population: U.S. Census Bureau.
Timeline
Jackson Township, 1827 to 1936
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, 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.