Washington

Okanogan

42,104
2020 population
1890
first census record
14
census records

About Okanogan

Okanogan, Washington, first appears in the United States federal census in 1890, when it recorded a population of 1,467. At the most recent census, in 2020, its population stood at 42,104.

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 Okanagan Tribe – Boundary Disputes 1858, and 16 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202042,104
201041,120
200039,564
199033,350
198030,639
197025,867
196025,520
195029,131
194024,546
193018,519
192017,094
191012,887
19004,689
18901,467
Source

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

Battles & engagements in Okanogan

Military engagements that took place in Okanogan, Washington.

Okanagan Tribe – Boundary Disputes 1858
1858

Historic places in Okanogan

National Register of Historic Places listings in Okanogan, Washington.

Early Winters Ranger Station Work Center
Winthrop
Parson Smith Tree
Winthrop
Fort Okanogan, Sites of
Bridgeport
Okanogan Project: Conconully Resevoir Dam
Conconully
Enloe Dam and Powerplant
Oroville
Grand Coulee Bridge
Grand Coulee
Lost Lake Guard Station
Tonasket
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Everything a full report reveals about Okanogan County, Washington

This page charts the census history of Okanogan County, Washington. 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 Okanogan

When does Okanogan first appear in the US census?
Okanogan, Washington first appears in the federal census in 1890, with a recorded population of 1,467.
What is the population of Okanogan?
At the most recent federal census (2020), Okanogan had a recorded population of 42,104.
Were any battles fought in Okanogan?
1 documented military engagement took place in Okanogan, including Okanagan Tribe – Boundary Disputes 1858.
How many historic places are in Okanogan?
16 sites are listed on the National Register of Historic Places in Okanogan, Washington.
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