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–Not graded
History · Otter Creek Township

19% of Otter Creek Township’s homes were built before 1940

Below: maps from 1908 on and the census since 2000.

0on the National Register
19%homes built before 1940
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Photo: Johnmack161 · CC BY-SA 3.0

What stands out about Otter Creek 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 Otter Creek Township are in the public archives yet. The rest are in attics and albums.On the map since 19083 editions of the USGS map, 1908 to 1970. Watch Otter Creek Township change.
★ What stands out · Help out

Start Otter Creek Township’s collection

The first neighbors to add old photos shape how Otter Creek Township’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

Otter Creek Township on the map, 1908 to 1970

Every edition of the U.S. Geological Survey’s map of Otter Creek Township. Tap a year, or press play to watch the town change.

Otter Creek Township on the 1908 USGS mapOtter Creek Township on the 1958 USGS mapOtter Creek Township on the 1970 USGS map1908Shenango 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 Otter Creek Township.

The story so far

Otter Creek Township, in brief

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

Otter Creek Township is a township in Mercer County, Pennsylvania, United States. The population was 525 at the 2020 census, down from 589 in 2010. Otter Creek Township received its name due to the creek's substantial otter population.

Between the 2010 and 2020 censuses its population fell from 589 to 523 (-11%).

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

Timeline

Otter Creek Township, 1890 to 1908

Woven from the archive, old maps, post office records, the National Register and the people born here.

  1. 19th century
  2. 1890Post officeThe Kashner post office opens
  3. 1899Post officeThe Kashner post office closes
  4. 20th century
  5. 1908On the mapFirst mapped by the U.S. Geological Survey
By decade

Otter Creek Township, decade by decade

Today2 recent
Pennsylvania State Route 3582014Pennsylvania State Route 358Ottercreek2003Ottercreek
People over time

Otter Creek Township, census by census

010020030040050060020002020Peak: 611

Between 525 and 611 people in every census since 2000.

3 censuses, 2000–2020.

U.S. Census Bureau decennial counts, from the census table on Otter Creek Township’s Wikipedia page.

Places that used to be

Lost post offices, old corners and burying grounds

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

Hamlets and corners on the map
Kashner
3cemeteries and burying grounds inside Otter Creek Township
BuschJerusalem ReformedSalem

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.

Salem TownshipIts storynot graded: under 1,000 residents or part of its townDelaware Township2 historic placesA−Perry TownshipIts storyBHempfield Township2 historic placesB

Questions about Otter Creek 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 (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.