Montana

Carbon

10,473

2020 population

1900

first census record

census records

About Carbon

Carbon, Montana, first appears in the United States federal census in 1900, when it recorded a population of 7,533. At the most recent census, in 2020, its population stood at 10,473.

Its recorded population peaked at 15,279 in 1920, and has since declined by roughly 31 percent.

On the ground today, one documented military engagement has been recorded within the county, among them Clark's Fork Sioux Fight (1878), and 71 places are listed on the National Register of Historic Places.

Population by decade

Census Year	Population	Chart
2020	10,473
2010	10,078
2000	9,552
1990	8,080
1980	8,099
1970	7,080
1960	8,317
1950	10,241
1940	11,865
1930	12,571
1920	15,279
1910	13,962
1900	7,533

Source

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

Battles & engagements in Carbon

Military engagements that took place in Carbon, Montana.

Clark's Fork Sioux Fight (1878)

1878

Historic places in Carbon

National Register of Historic Places listings in Carbon, Montana.

Hi Bug Historic District

Red Lodge

Petroglyph Canyon

Warren

Greenblatt, Samuel, House

Fromberg

Glidden House

Bridger

Kent Dairy Round Barn

Red Lodge

Bad Pass Trail

Warren

Red Lodge-Cooke City Approach Road Historic District

Red Lodge Communal Mausoleum

Red Lodge

Red Lodge Commercial Historic District

Lockhart, Caroline, Ranch

Dead Hill

IOOF Hall and Fromberg Co-operative Mercantile Building

Fromberg

Fromberg Concrete Arch Bridge

Fromberg

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Everything a full report reveals about Carbon County, Montana

This page charts the census history of Carbon 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 Carbon

When does Carbon first appear in the US census?

Carbon, Montana first appears in the federal census in 1900, with a recorded population of 7,533.

What is the population of Carbon?

At the most recent federal census (2020), Carbon had a recorded population of 10,473.

When did Carbon's population peak?

Carbon's recorded population peaked at 15,279 in 1920.

Were any battles fought in Carbon?

1 documented military engagement took place in Carbon, including Clark's Fork Sioux Fight (1878).

How many historic places are in Carbon?

71 sites are listed on the National Register of Historic Places in Carbon, Montana.

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