Oregon

Klamath

69,413
2020 population
1890
first census record
14
census records

About Klamath

Klamath, Oregon, first appears in the United States federal census in 1890, when it recorded a population of 2,444. At the most recent census, in 2020, its population stood at 69,413.

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

On the ground today, 17 documented military engagements have been recorded within the county, among them Klamath Lake Paiute Skirmishes 1864, Snake War – Fort Klamath Area Operations, Modoc War — Battle of Lost River 1872, and 29 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202069,413
201066,380
200063,775
199057,702
198059,117
197050,021
196047,475
195042,150
194040,497
193032,407
192011,413
19108,554
19003,970
18902,444
Source

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

Battles & engagements in Klamath

Military engagements that took place in Klamath, Oregon.

Klamath Lake Paiute Skirmishes 1864
1864
Snake War – Fort Klamath Area Operations
1866
Modoc War — Battle of Lost River 1872
1872
Modoc War — Lost River Fight (November 29, 1872)
1872
Battle of Lost River
1872
Battle of Lost River (Modoc War)
1872
Modoc War — Tule Lake Engagement November 1872
1872
Modoc War — Lost River Fight (November 29, 1872)
1872
Modoc War — Capture and Hanging of Captain Jack (October 3, 1873)
1873
Modoc War Aftermath – Modoc Exile to Indian Territory
1873
Modoc War — Sorass Lake Fight (May 18, 1873)
1873
Bloody Point Massacre
1873
Battle of Butte Creek
1873
Captain Jack Hanging – Fort Klamath
1873
Japanese Balloon Bomb Deaths — Bly Oregon 1945
1945
Japanese Balloon Bomb Explosion, Bly Oregon
1945
Fu-Go Balloon Bomb Incident (Mitchell Recreation Area)
1945

Historic places in Klamath

National Register of Historic Places listings in Klamath, Oregon.

Lake of the Woods Ranger Station-Work Center
Klamath Falls
Rim Village Historic District
Crater Lake
Crater Lake Superintendent's Residence
Crater Lake National Park
Benson, Judge Henry L., House
Klamath Falls
Comfort Station No. 68
Crater Lake
Comfort Station No. 72
Crater Lake
Munson Valley Historic District
Crater Lake
Watchman Lookout Station No. 68
Crater Lake
Klamath Falls City Hall
Klamath Falls
Baldwin Hotel
Klamath Falls
Munson Valley Historic District (Boundary Decrease)
Crater Lake
Crater Lake Lodge
Klamath Falls
Honeymoon Creek Snow-Survey Cabin
Ashland
Bly Ranger Station
Bly
Sinnott Memorial Building No. 67
Fort Klamath
Richardson-Ulrich House
Klamath Falls
Fort Klamath Site
Fort Klamath
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Other counties in Oregon

Explore census history and historic records for more Oregon counties.

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Everything a full report reveals about Klamath County, Oregon

This page charts the census history of Klamath County, Oregon. 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 Klamath

When does Klamath first appear in the US census?
Klamath, Oregon first appears in the federal census in 1890, with a recorded population of 2,444.
What is the population of Klamath?
At the most recent federal census (2020), Klamath had a recorded population of 69,413.
Were any battles fought in Klamath?
17 documented military engagements took place in Klamath, including Klamath Lake Paiute Skirmishes 1864, Snake War – Fort Klamath Area Operations, Modoc War — Battle of Lost River 1872.
How many historic places are in Klamath?
29 sites are listed on the National Register of Historic Places in Klamath, Oregon.
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