Oregon

Coos

64,929
2020 population
1860
first census record
17
census records

About Coos

Coos, Oregon, first appears in the United States federal census in 1860, when it recorded a population of 445. At the most recent census, in 2020, its population stood at 64,929.

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

On the ground today, one documented military engagement has been recorded within the county, among them Battle of Black Bar, and 55 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202064,929
201063,043
200062,779
199060,273
198064,047
197056,515
196054,955
195042,265
194032,466
193028,373
192022,257
191017,959
190010,324
18908,874
18804,834
18701,644
1860445
Source

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

Battles & engagements in Coos

Military engagements that took place in Coos, Oregon.

Battle of Black Bar
1866

Historic places in Coos

National Register of Historic Places listings in Coos, Oregon.

Reorganized Church of Latter Day Saints
Myrtle Point
Cape Arago Lighthouse
Charleston
Sandy Creek Bridge
Remote
35-CS-130-The Osprey Site
North Bend
Coos Bay Bridge NO. 01823
North Bend
Coos Bay National Bank Building
Coos Bay
Egyptian Theatre
Coos Bay
Coquille River Light
Bandon
Browse all Oregonhistoric sites ›

Other counties in Oregon

Explore census history and historic records for more Oregon counties.

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Everything a full report reveals about Coos County, Oregon

This page charts the census history of Coos 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 Coos

When does Coos first appear in the US census?
Coos, Oregon first appears in the federal census in 1860, with a recorded population of 445.
What is the population of Coos?
At the most recent federal census (2020), Coos had a recorded population of 64,929.
Were any battles fought in Coos?
1 documented military engagement took place in Coos, including Battle of Black Bar.
How many historic places are in Coos?
55 sites are listed on the National Register of Historic Places in Coos, Oregon.
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