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History · McCammon

McCammon’s post office opened in 1883, and 28% of its homes were built before 1940

Its Register listings are the McCammon State Bank Building and the Harkness, H. O., Stable Building. Its Register listings are the McCammon State Bank Building and the Harkness, H. O., Stable Building. Below: 1 old photo or paper, maps from 1909 on, and the census since 1910.

1883first post office
2on the National Register
28%homes built before 1940
1old photo or paper
Add an old photoShare a memory
From McCammon’s archive · credits on each photo
Quick answers

How McCammon began

When was McCammon founded?

1883

The McCammon post office opened in 1883, the earliest record of the town by name.

First census: 321 in 19102020 census: 825143 years
Founding year: the first McCammon post office (Blevins & Helbock, CC0).

What stands out about McCammon’s past

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

A history waiting to be writtenOnly 1 old photo is in the public archives. The rest are in attics and albums.
★ What stands out · Help out

Start McCammon’s collection

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

Decades since 1900 with photos
00s10s20s30s40s50s60s70s80s90s
0 of 10 decades. The empty ones are waiting for someone’s album.
Date a photo1 archive item has no date. Guess the decade.+2Retake an old viewMcCammon Overhead & River Crossing Brid…: stand where they stood+15Share a family photoSign in to add one+10
The story so far

McCammon, in brief

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

McCammon is a city in Bannock County, Idaho, United States. It is part of the Pocatello, Idaho Metropolitan Statistical Area. The population was 825 at the 2020 census. In 1892, McCammon became the junction point between the Oregon Short Line Railroad and Utah and Northern Railway, and the city gained the nickname Junction City.

Its first post office opened in 1883. Its population held steady between the last two censuses: 809 in 2010, 825 in 2020.

Intro from Wikipedia. Population: U.S. Census Bureau.

From the old history books

What they wrote about McCammon in 1915

Passages that mention McCammon, cut from the printed page as they were published.

Hall between the Shoshone and Bannock Indians and Joseph K. McCammon, whose name has been given to the town of McCammon in this county, and several railroad officers, by which the promoters secured a right of way through the reservation.
The history of Bannock County, Idaho1915 · page (103)Read the page →
Read the text

Hall between the Shoshone and Bannock Indians and Joseph K. McCammon, whose name has been given to the town of McCammon in this county, and several railroad officers, by which the promoters secured a right of way through the reservation.

Text read by machine from the scan; it may contain errors.
History of Bannock County Creek, a few miles west of the present town of McCammon. A stage of the Concord type, carrying several passengers and $60,000 of private money, was betrayed by its driver, Frank Williams, to a gang led by Jim Locket. As he rounded a steep hill,
The history of Bannock County, Idaho1915 · page (93)Read the page →
Read the text

History of Bannock County Creek, a few miles west of the present town of McCammon. A stage of the Concord type, carrying several passengers and $60,000 of private money, was betrayed by its driver, Frank Williams, to a gang led by Jim Locket. As he rounded a steep hill,

Text read by machine from the scan; it may contain errors.

Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.

By decade

McCammon, decade by decade

Date unknown1 to date
McCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3.3 mile postDate?McCammon Overhead & River Crossing Bridge, Interstate…
Today4 recent
Harkness Stable2014Harkness StableHarkness Hotel2014Harkness Hotel1892 Oregon Shortline Railroad west bound from20101892 Oregon Shortline Railroad west bound fromIDMap-doton-McCammon2004IDMap-doton-McCammon
On the map

McCammon on the map, 1968 to 1984

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

McCammon on the 1968 USGS mapMcCammon on the 1984 USGS map1968Mc Cammon 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 McCammon.

Every building

McCammon, building by building, 1909–1929

Fire insurance maps drew every building, what it was made of and what it was used for, so insurers could price the risk of fire. Pick a year, then a sheet.

McCammon fire insurance map, 1909, sheet 11909Sheet 1 of 1
Edition
Sheets
BrickWoodStone

Sanborn Map Company, via the Library of Congress. Editions published in 1930 or earlier, which are in the public domain.

Then & now

Stand where they stood

No then-and-now pairs yet. Take a photo from the same spot as an old one and they appear here side by side.

McCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3.3 mile post
Retake this viewMcCammon Overhead & River Crossing Bridge, Interstate 15, Business, 3.3 mile post

Find the spot, match the angle, and add your photo. It becomes the first then-and-now pair on McCammon’s page.

Retake this view · +15
On the National Register

2 historic places in McCammon

The country’s official list of buildings and places worth saving.

places listed
2
National Historic Landmarks
0
none yet
historic buildings protected
2
each building in a district counts
first listed
1979
McCammon State Bank Building
McCammon State Bank BuildingHarkness, H. O., Stable Building
Buildings

Architectural styles listings

Romanesque Revival1
McCammon State Bank BuildingRomanesque Revival
All 2 listings
Harkness, H. O., Stable BuildingBuilding · listed 1980

National Park Service, National Register of Historic Places. Photos from Wikimedia Commons, credited on each place’s page.

People over time

McCammon, census by census

0200400600800192019401960198020002020825

Grew from 321 people in 1910 to 825 in 2020.

12 censuses, 1910–2020.

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

Questions about McCammon’s history

What year was McCammon founded?

The McCammon post office opened in 1883, the earliest record of the town by name (U.S. post office records).

What is on the National Register in McCammon?

Two places: the McCammon State Bank Building (listed 1979) and the Harkness, H. O., Stable Building (1980).

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 (4), the Library of Congress (1), Wikidata (1), the National Register of Historic Places (2), U.S. Geological Survey historical maps, U.S. Census counts (via Wikipedia), the US Post Offices dataset (Blevins & Helbock), the USGS Geographic Names Information System, Sanborn fire insurance maps (Library of Congress) and old county and town histories (Internet Archive). Archive images are copied here with their credits and licenses, shown on each photo’s page. Refreshed monthly.