Idaho

Bannock

87,018
2020 population
1900
first census record
13
census records

About Bannock

Bannock, Idaho, first appears in the United States federal census in 1900, when it recorded a population of 11,702. At the most recent census, in 2020, its population stood at 87,018.

The county's recorded population has risen across the decades to its highest level in 2020.

On the ground today, 4 documented military engagements have been recorded within the county, among them Shoshone Raid on Portneuf Canyon, Battle of Fort Hall Area 1863, Fort Hall Shoshone Confrontation (1863), and 30 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202087,018
201082,839
200075,565
199066,026
198065,421
197052,200
196049,342
195041,745
194034,759
193031,266
192027,532
191019,242
190011,702
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Battles & engagements in Bannock

Military engagements that took place in Bannock, Idaho.

Shoshone Raid on Portneuf Canyon
1862
Battle of Fort Hall Area 1863
1863
Fort Hall Shoshone Confrontation (1863)
1863
Battle of Bannock Creek
1878

Historic places in Bannock

National Register of Historic Places listings in Bannock, Idaho.

Idaho State University Administration Building
Pocatello
Church of the Assumption
Pocatello
Pocatello Carnegie Library
Pocatello
Fort Hall
Fort Hall
L.D.S. Ward Building
Lava Hot Springs
Lava High School Gymnasium
Lava Hot Springs
East Side Downtown Historic District
Pocatello
Hood, John, House
Pocatello
St. Joseph's Catholic Church
Pocatello
Woolley Apartments
Pocatello
Browse all Idahohistoric sites ›

Other counties in Idaho

Explore census history and historic records for more Idaho counties.

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Everything a full report reveals about Bannock County, Idaho

This page charts the census history of Bannock County, Idaho. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Frequently asked about Bannock

When does Bannock first appear in the US census?
Bannock, Idaho first appears in the federal census in 1900, with a recorded population of 11,702.
What is the population of Bannock?
At the most recent federal census (2020), Bannock had a recorded population of 87,018.
Were any battles fought in Bannock?
4 documented military engagements took place in Bannock, including Shoshone Raid on Portneuf Canyon, Battle of Fort Hall Area 1863, Fort Hall Shoshone Confrontation (1863).
How many historic places are in Bannock?
30 sites are listed on the National Register of Historic Places in Bannock, Idaho.
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