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History · Mount Pleasant Mills

Mount Pleasant Mills’ post office opened in 1818, and 18% of its homes were built before 1940

Below: maps from 1907 on.

1818first post office
0on the National Register
18%homes built before 1940
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Quick answers

How Mount Pleasant Mills began

When was Mount Pleasant Mills founded?

1818

The Mount Pleasant Mills post office opened in 1818, the earliest record of the town by name.

2020 census: 453208 years
Founding year: the first Mount Pleasant Mills post office (Blevins & Helbock, CC0).

What stands out about Mount Pleasant Mills’ 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 Mount Pleasant Mills are in the public archives yet. The rest are in attics and albums.On the map since 19075 editions of the USGS map, 1907 to 1978. Watch Mount Pleasant Mills change.Deep rootsA post office since 1818: 208 years of Mount Pleasant Mills.
★ What stands out · Help out

Start Mount Pleasant Mills’s collection

The first neighbors to add old photos shape how Mount Pleasant Mills’s history is told.

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
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On the map

Mount Pleasant Mills on the map, 1907 to 1978

Every edition of the U.S. Geological Survey’s map of Mount Pleasant Mills. Tap a year, or press play to watch the town change.

Mount Pleasant Mills on the 1907 USGS mapMount Pleasant Mills on the 1943 USGS mapMount Pleasant Mills on the 1959 USGS mapMount Pleasant Mills on the 1969 USGS mapMount Pleasant Mills on the 1978 USGS map1907Millerstown 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 Mount Pleasant Mills.

The story so far

Mount Pleasant Mills, in brief

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

Mount Pleasant Mills is a census-designated place (CDP) in Perry Township, Snyder County, Pennsylvania, United States. The population was 342 at the 2000 census.

Its first post office opened in 1818. Between the 2010 and 2020 censuses its population fell from 464 to 453 (-2%).

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

By decade

No old photos in the archives yet

Weddings on Main Street, storms, parades, school pictures, the old store. If it’s in your family album, it belongs here.

Be the first to add onePhotograph a print flat, in daylight, no flash.
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Famous people

Famous people close to Mount Pleasant Mills

Nobody well known was born in Mount Pleasant Mills itself, so here are the best known from just nearby.

See all →
C
Cummings C. ChesneyAmerican electrical engineer · b. 1863
M
Merle PhillipsAmerican politician · b. 1928
Bill LippertAmerican politician · b. 1950
Jacob S. Coxey Sr.American mayor · b. 1854
L
Lillian Estelle Fisher20th-century American historian and author · b. 1891
M
Matthew FriesAmerican jazz pianist, composer, educator · b. 1968

Questions about Mount Pleasant Mills’ history

What year was Mount Pleasant Mills founded?

The Mount Pleasant Mills post office opened in 1818, the earliest record of the town by name (U.S. post office records).

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 U.S. Geological Survey historical maps. Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.