Montana

Flathead

104,357
2020 population
1900
first census record
13
census records

About Flathead

Flathead, Montana, first appears in the United States federal census in 1900, when it recorded a population of 9,375. At the most recent census, in 2020, its population stood at 104,357.

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

On the ground today, 159 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
2020104,357
201090,928
200074,471
199059,218
198051,966
197039,460
196032,965
195031,495
194024,271
193019,200
192021,705
191018,785
19009,375
Source

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

Historic places in Flathead

National Register of Historic Places listings in Flathead, Montana.

Bader-Jaquette and Westwang Houses and Rental Property
Kalispell
Ford Creek Patrol Cabin
West Glacier
Headquarters Historic District
West Glacier
Kelly's Camp Historic District
Lake McDonald
Continental Oil Company Filling Station
Kalispell
Adair, W. L., General Mercantile Historic District
Polebridge
Coal Creek Patrol Cabin
West Glacier
Swiftcurrent Fire Lookout
West Glacier
Bowman Lake Patrol Cabin
West Glacier
Lockridge Medical Clinic
Whitefish
Logging Creek Ranger Station Historic District
West Glacier
East Glacier Ranger Station Historic District
West Glacier
Scalplock Mountain Fire Lookout
West Glacier
St. Richard's Church
Columbia Falls
Kintla Lake Ranger Station
West Glacier
Sherburne Ranger Station Historic District
West Glacier
Cattle Queen Snowshoe Cabin
West Glacier
West Entrance Station
West Glacier
Soldiers' Home Historic District
Columbia Falls
Conrad, C.E., Memorial Cemetery
Kalispell
Big Creek Ranger Station Historic District
Polebridge
Miller, J. K., Homestead
Big Prairie
Flathead River Bridge
Columbia Falls
Woll House
Kalispell
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 Flathead County, Montana

This page charts the census history of Flathead 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 Flathead

When does Flathead first appear in the US census?
Flathead, Montana first appears in the federal census in 1900, with a recorded population of 9,375.
What is the population of Flathead?
At the most recent federal census (2020), Flathead had a recorded population of 104,357.
How many historic places are in Flathead?
159 sites are listed on the National Register of Historic Places in Flathead, Montana.
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