Montana

Fergus

11,446
2020 population
1890
first census record
14
census records

About Fergus

Fergus, Montana, first appears in the United States federal census in 1890, when it recorded a population of 3,514. At the most recent census, in 2020, its population stood at 11,446.

Its recorded population peaked at 28,344 in 1920, and has since declined by roughly 60 percent.

On the ground today, 5 documented military engagements have been recorded within the county, among them Camp Cooke / Carroll Area Skirmishes 1870s, Battle of Arrow Creek — Crow-Piegan Fight (1873), Judith Gap Skirmish 1877, and 49 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202011,446
201011,586
200011,893
199012,083
198013,076
197012,611
196014,018
195014,015
194014,040
193016,531
192028,344
191017,385
19006,937
18903,514
Source

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

Battles & engagements in Fergus

Military engagements that took place in Fergus, Montana.

Camp Cooke / Carroll Area Skirmishes 1870s
1872
Battle of Arrow Creek — Crow-Piegan Fight (1873)
1873
Judith Gap Skirmish 1877
1877
Stuart's Stranglers — Judith Basin Vigilante Campaign MT
1884
Montana Range War – Rocky Mountain Husbandman Conflict
1894

Historic places in Fergus

National Register of Historic Places listings in Fergus, Montana.

Anderson House
Lewistown
Fergus County High School
Lewistown
Judith Landing Historic District (Boundary Increase)
Judith
Robinson, Fred, Bridge
Lewiston
N-Bar Ranch
Grass Range
Masonic Temple
Lewistown
Hogeland, Abraham and Mary Walton, House
Lewistown
Huntoon Residence
Lewistown
Lewistown Silk Stocking District
Lewistown
US Post Office and Federal Building-Lewistown
Lewistown
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 Fergus County, Montana

This page charts the census history of Fergus 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 Fergus

When does Fergus first appear in the US census?
Fergus, Montana first appears in the federal census in 1890, with a recorded population of 3,514.
What is the population of Fergus?
At the most recent federal census (2020), Fergus had a recorded population of 11,446.
When did Fergus's population peak?
Fergus's recorded population peaked at 28,344 in 1920.
Were any battles fought in Fergus?
5 documented military engagements took place in Fergus, including Camp Cooke / Carroll Area Skirmishes 1870s, Battle of Arrow Creek — Crow-Piegan Fight (1873), Judith Gap Skirmish 1877.
How many historic places are in Fergus?
49 sites are listed on the National Register of Historic Places in Fergus, Montana.
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