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History · Tetonia

Tetonia’s post office opened in 1913, and 33% of its homes were built before 1940

Below: maps from 1965 on and the census since 1950.

1913first post office
0on the National Register
33%homes built before 1940
2famous people
Add an old photoShare a memory
Photo: Idahomiller · CC BY-SA 3.0
Quick answers

How Tetonia began

When was Tetonia founded?

1913

The Tetonia post office opened in 1913, the earliest record of the town by name.

First census: 232 in 19502020 census: 308113 years
Founding year: the first Tetonia post office (Blevins & Helbock, CC0).The full story ↓

What stands out about Tetonia’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 Tetonia are in the public archives yet. The rest are in attics and albums.Shrank, then grewLost a third of its people between 1950 and 1990, then more than doubled.
★ What stands out · Help out

Start Tetonia’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Share a family photoSign in to add one+10
People over time

Tetonia, census by census

01002003001960198020002020232 in 1950Low: 132

Lost a third of its people between 1950 and 1990, then more than doubled.

8 censuses, 1950–2020.

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

The story

How Tetonia came to be

From Wikipedia’s history of Tetonia.

Read it all →

Tetonia was established as an agricultural town in the late 19th century, taking its name from the nearby Teton Range. Many of the businesses previously operating in Haden relocated to Tetonia following the arrival of the Union Pacific railroad.

Text from Wikipedia, licensed CC BY-SA 4.0.

Timeline

Tetonia, 1913 to 2020

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

  1. 20th century
  2. 1913Post officeThe Tetonia post office opens
  3. 1930Born hereGeorge V. Hansen is born here
  4. 1961Born hereRex Rammell is born here
  5. 1965On the mapFirst mapped by the U.S. Geological Survey
  6. 21st century
  7. 2020CensusPopulation peaks at 308
By decade

Tetonia, decade by decade

Today18 recent
An old cabin that has seen better days in the small town of Tetonia in eastern Idaho, which takes its name from those p…2022An old cabin that has seen better days in the small t…Remains of an old grain-processing operation in the small town of Tetonia in eastern Idaho, which takes its name from t…2022Remains of an old grain-processing operation in the s…Remains of an old grain-processing operation in the small town of Tetonia in eastern Idaho, which takes its name from t…2022Remains of an old grain-processing operation in the s…Cute sign for Dave's Pubb, a tavern in the small town of Tetonia in eastern Idaho, which takes its name from those peaks2022Cute sign for Dave's Pubb, a tavern in the small town…A long road, seemingly to nowhere, near the small town of Tetonia in eastern Idaho, which takes its name from those pea…2022A long road, seemingly to nowhere, near the small tow…Remains of an old corral in the small town of Tetonia in eastern Idaho, which takes its name from those peaks2022Remains of an old corral in the small town of Tetonia…A long-abandoned cabin near the small town of Tetonia in eastern Idaho, which takes its name from those peaks2022A long-abandoned cabin near the small town of Tetonia…A long-abandoned cabin near the small town of Tetonia in eastern Idaho, which takes its name from those peaks2022A long-abandoned cabin near the small town of Tetonia…A long-abandoned house near the small town of Tetonia in eastern Idaho, which takes its name from those peaks2022A long-abandoned house near the small town of Tetonia…Storm clouds build over the desolate landscape near Tetonia in eastern Idaho, which takes its name from those peaks2022Storm clouds build over the desolate landscape near T…Storm clouds build over the desolate landscape near Tetonia in eastern Idaho, which takes its name from those peaks2022Storm clouds build over the desolate landscape near T…Tetonia Idaho2013Tetonia IdahoTetonia Idaho Store sculpture2013Tetonia Idaho Store sculptureTetonia Idaho Store 32013Tetonia Idaho Store 3Tetonia Idaho Store 22013Tetonia Idaho Store 2Tetonia Idaho Store 12013Tetonia Idaho Store 1Teton Valley Idaho2013Teton Valley IdahoIDMap-doton-Tetonia2004IDMap-doton-Tetonia
On the map

Tetonia on the map in 1965

The U.S. Geological Survey’s map of Tetonia.

Tetonia on the 1965 USGS map1965Tetonia sheet · 1:24,000

U.S. Geological Survey historical topographic maps (public domain), via Esri’s collection of the scans. The red ring marks the center of Tetonia.

Famous people

2 famous people were born in Tetonia

Writers, athletes, leaders and more, ranked by how widely they’re known.

See all →
George V. HansenAmerican politician · b. 1930
Rex RammellAmerican activist, politician and veterinarian · b. 1961

Questions about Tetonia’s history

What year was Tetonia founded?

The Tetonia post office opened in 1913, 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 Wikimedia Commons (7), the Library of Congress (11), Wikipedia, Wikidata and Wikipedia for famous people, 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.