California

Tehama

65,829
2020 population
1860
first census record
17
census records

About Tehama

Tehama, California, first appears in the United States federal census in 1860, when it recorded a population of 4,044. At the most recent census, in 2020, its population stood at 65,829.

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

On the ground today, 9 documented military engagements have been recorded within the county, among them Nome Lackee Reservation Conflicts (1856–1860), Mill Creek / Yahi Wars 1859–1871, Battle of Nome Lackee CA, and 10 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202065,829
201063,463
200056,039
199049,625
198038,888
197029,517
196025,305
195019,276
194014,316
193013,866
192012,882
191011,401
190010,996
18909,916
18809,301
18703,587
18604,044
Source

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

Battles & engagements in Tehama

Military engagements that took place in Tehama, California.

Nome Lackee Reservation Conflicts (1856–1860)
1858
Mill Creek / Yahi Wars 1859–1871
1859
Battle of Nome Lackee CA
1860
Nome Lackee Reservation Attacks
1862
Mill Creek Fight — 1st US Army Engagement
1863
Mill Creek War — Three Knolls Massacre (August 1865)
1865
Three Knolls Massacre
1865
Kingsley Cave Massacre
1871
Kingsley Cave Massacre (September 1871)
1871

Historic places in Tehama

National Register of Historic Places listings in Tehama, California.

State Theatre
Red Bluff
Odd Fellows Building
Red Bluff
Old Bank of America Building
Red Bluff
Park Headquarters, Lassen Volcanic National Park
Mineral
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Other counties in California

Explore census history and historic records for more California counties.

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Everything a full report reveals about Tehama County, California

This page charts the census history of Tehama County, California. 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 Tehama

When does Tehama first appear in the US census?
Tehama, California first appears in the federal census in 1860, with a recorded population of 4,044.
What is the population of Tehama?
At the most recent federal census (2020), Tehama had a recorded population of 65,829.
Were any battles fought in Tehama?
9 documented military engagements took place in Tehama, including Nome Lackee Reservation Conflicts (1856–1860), Mill Creek / Yahi Wars 1859–1871, Battle of Nome Lackee CA.
How many historic places are in Tehama?
10 sites are listed on the National Register of Historic Places in Tehama, California.
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