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–Not graded
History · Sidman

Sidman’s post office opened in 1904, and 77% of its homes were built before 1940

1904first post office
0on the National Register
77%homes built before 1940
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Quick answers

How Sidman began

When was Sidman founded?

1904

The Sidman post office opened in 1904, the earliest record of the town by name.

2020 census: 444122 years
Founding year: the first Sidman post office (Blevins & Helbock, CC0).
Stories next door

History across the town line

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

Adams Township2 historic placesACroyle Township1 historic placeA−SalixIts storynot graded: under 1,000 residents or part of its townSt. Michael1 historic placenot graded: under 1,000 residents or part of its town

Questions about Sidman’s history

What year was Sidman founded?

The Sidman post office opened in 1904, 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 →