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History · Larimer Township

20% of Larimer Township’s homes were built before 1940

0on the National Register
20%homes built before 1940

What stands out about Larimer Township’s past

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

★ What stands out · Help out

Start Larimer Township’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Places that used to be

Lost post offices, old corners and places now gone

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

Wittenberg
1852–1907
Sand Patch
1868–1957
Keystone Junction
1873–1905
18501940today
Hamlets and corners on the map
KeystoneSand PatchSlabtownWittenberg
Gone or out of use
Wittenberg Post Officepost office

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

The story so far

Larimer Township, in brief

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

Between the 2010 and 2020 censuses its population fell from 595 to 544 (-9%).

Timeline

Larimer Township, 1852 to 1957

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

  1. 19th century
  2. 1852Post officeThe Wittenberg post office opens
  3. 1868Post officeThe Sand Patch post office opens
  4. 1873Post officeThe Keystone Junction post office opens
  5. 20th century
  6. 1905Post officeThe Keystone Junction post office closes
  7. 1907Post officeThe Wittenberg post office closes
  8. 1957Post officeThe Sand Patch post office closes
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 Larimer Township

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

See all →
Stories next door

History across the town line

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

Questions about Larimer 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.