Montana

Beaverhead

9,371
2020 population
1870
first census record
16
census records

About Beaverhead

Beaverhead, Montana, first appears in the United States federal census in 1870, when it recorded a population of 722. At the most recent census, in 2020, its population stood at 9,371.

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

On the ground today, 19 documented military engagements have been recorded within the county, among them Bannack Road Agent Hangings — Montana Vigilantes, Nez Perce War — Battle of the Big Hole 1877, Battle of Big Hole, and 24 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
20209,371
20109,246
20009,202
19908,424
19808,186
19708,187
19607,194
19506,671
19406,943
19306,654
19207,369
19106,446
19005,615
18904,655
18802,712
1870722
Source

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

Battles & engagements in Beaverhead

Military engagements that took place in Beaverhead, Montana.

Bannack Road Agent Hangings — Montana Vigilantes
1864
Nez Perce War — Battle of the Big Hole 1877
1877
Battle of Big Hole
1877
Nez Perce War – Big Hole River Crossing
1877
Battle of the Big Hole
1877
Nez Perce War — Birch Creek Engagement (Nez Perce)
1877
Big Hole Battle
1877
Battle of Camas Creek (Nez Perce)
1877
Battle of the Big Hole – Gibbon's Line
1877
Nez Perce War – Poker Joe as Guide
1877
Big Hole Battle — Nez Perce War 1877
1877
Battle of the Big Hole – Chief Looking Glass Camp
1877
Battle of the Big Hole – Pre-Dawn Attack on Camp
1877
Battle of the Big Hole – Nez Perce Counterattack
1877
Nez Perce War — Big Hole Battlefield Assault August 9 1877
1877
Battle of the Big Hole — Pre-Dawn Attack on Sleeping Camp (August 9, 1877)
1877
Nez Perce War — Battle of the Big Hole
1877
Battle of the Big Hole (Nez Perce)
1877
Battle of the Big Hole – Howitzer Recapture
1877

Historic places in Beaverhead

National Register of Historic Places listings in Beaverhead, Montana.

Henneberry, William F., Homestead
Dillon
Hotel Metlen
Dillon
Bannack Historic District
Dillon
Big Hole National Battlefield
Wisdom
Hecla House
Melrose
Montana State Normal School
Dillon
Browse all Montanahistoric sites ›

Other counties in Montana

Explore census history and historic records for more Montana counties.

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Everything a full report reveals about Beaverhead County, Montana

This page charts the census history of Beaverhead County, Montana. 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 Beaverhead

When does Beaverhead first appear in the US census?
Beaverhead, Montana first appears in the federal census in 1870, with a recorded population of 722.
What is the population of Beaverhead?
At the most recent federal census (2020), Beaverhead had a recorded population of 9,371.
Were any battles fought in Beaverhead?
19 documented military engagements took place in Beaverhead, including Bannack Road Agent Hangings — Montana Vigilantes, Nez Perce War — Battle of the Big Hole 1877, Battle of Big Hole.
How many historic places are in Beaverhead?
24 sites are listed on the National Register of Historic Places in Beaverhead, Montana.
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