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–Not graded
History · Pennsylvania Township

54% of Pennsylvania Township’s homes were built before 1940

0on the National Register
54%homes built before 1940
Add an old photoShare a memory

What stands out about Pennsylvania Township’s past

Read from the archive, the National Register and the record. The page puts what stands out first.

A history waiting to be writtenNo old photos of Pennsylvania Township are in the public archives yet. The rest are in attics and albums.Old housesHalf of Pennsylvania Township’s homes were built before 1938.
★ What stands out · Help out

Start Pennsylvania Township’s collection

The first neighbors to add old photos shape how Pennsylvania Township’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Share a family photoSign in to add one+10
The story so far

Pennsylvania Township, in brief

Wikipedia doesn’t have a history of Pennsylvania Township yet. The photos, dates and memories neighbors add here are how it gets written.

Pennsylvania Township is located in Mason County, Illinois, United States. As of the 2010 census, its population was 206 and it contained 92 housing units.

Between the 2010 and 2020 censuses its population fell from 206 to 139 (-33%).

Intro from Wikipedia. Population: U.S. Census Bureau.

By decade

Pennsylvania Township, decade by decade

Today1 recent
Pennsylvania Township building 2026-08-272026Pennsylvania Township building 2026-08-27
Famous people

Famous people close to Pennsylvania Township

Nobody well known was born in Pennsylvania Township itself, so here are the best known from just nearby.

See all →
Gordon BuehrigAmerican designer · b. 1904
S
Sam DaileyMajor League Baseball pitcher · b. 1904
Places that used to be

Lost post offices, old corners, places now gone and burying grounds

Another post office, Teheran, opened and closed inside today’s town.

Hamlets and corners on the map
Teheran
Gone or out of use
Golden Valley SchoolschoolLeveldale SchoolschoolPennsylvania Lane SchoolschoolPleasant Unity SchoolschoolPleasant View SchoolschoolRed Oak Schoolschool
1cemetery inside Pennsylvania Township
Leveldale

US Post Offices dataset (Blevins & Helbock, CC0). Places and cemeteries from the USGS Geographic Names Information System (2021).

Stories next door

History across the town line

Each neighbor’s History grade, on the same three inputs.

Salt Creek TownshipIts storynot graded: under 1,000 residents or part of its townSherman TownshipIts storynot graded: under 1,000 residents or part of its townManito TownshipIts storyCMason City TownshipIts storynot graded: under 1,000 residents or part of its town

Questions about Pennsylvania Township’s history

Memory lane

What the archives can’t tell you, neighbors can.

Town Square →
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Sources

Where this page comes from

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 (1), 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.