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–Not graded
History · Walnut Township

33% of Walnut Township’s homes were built before 1940

0on the National Register
33%homes built before 1940
Add an old photoShare a memory
Places that used to be

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

Two other post offices opened and closed inside today’s town.

Rockford
1860–1902
Porterville
1882–1905
18601940today
Hamlets and corners on the map
PortervilleRockford
Gone or out of use
Arlington SchoolschoolGibson SchoolschoolGreen Valley SchoolschoolHighland SchoolschoolIndependence SchoolschoolLiberty SchoolschoolLone Elm SchoolschoolPleasant Valley SchoolschoolRockford Post Officepost officeRolling Prairie Schoolschool
1cemetery inside Walnut Township
Rosedale

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.

Marion TownshipIts storyB−Pawnee TownshipIts storynot graded: under 1,000 residents or part of its townGrant TownshipIts storynot graded: under 1,000 residents or part of its town

Questions about Walnut 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 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.