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History · Caribou

Caribou’s post office opened in 1922

Below: maps from 1955 on.

1922first post office
0on the National Register
Quick answers

How Caribou began

When was Caribou founded?

1922

The Caribou post office opened in 1922, the earliest record of the town by name.

2020 census: 1104 years
Founding year: the first Caribou post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Caribou’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 Caribou’s collection

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

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

How Caribou came to be

From Wikipedia’s history of Caribou.

Read it all →

The place started as a placer mining camp in 1850. The name honors an Indian miner named Johnny Caribou. The Caribou post office operated from 1922 to 1976.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Caribou, 1922 to 1961

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

  1. 20th century
  2. 1922Post officeThe Caribou post office opens
  3. 1955On the mapFirst mapped by the U.S. Geological Survey
  4. 1961Post officeThe Caribou 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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On the map

Caribou on the map, 1955 to 1994

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

Caribou on the 1955 USGS mapCaribou on the 1979 USGS mapCaribou on the 1994 USGS map1955Almanor 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 Caribou.

Famous people

Famous people close to Caribou

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

See all →
Places that used to be

Lost post offices

Caribou had its own post office from 1922 to 1961.

Caribou
1922–1961
19201970today

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

Questions about Caribou’s history

What year was Caribou founded?

The Caribou post office opened in 1922, 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 →
Start a conversation
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 Wikipedia, U.S. Geological Survey historical maps, 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.