Idaho

Valley

11,746
2020 population
1920
first census record
11
census records

About Valley

Valley, Idaho, first appears in the United States federal census in 1920, when it recorded a population of 2,524. At the most recent census, in 2020, its population stood at 11,746.

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

On the ground today, 14 documented military engagements have been recorded within the county, among them Sheepeater Campaign — Big Creek Fight, Sheepeater War – Big Creek Canyon Engagement, Sheepeater War – Vinegar Hill Skirmish, and 25 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202011,746
20109,862
20007,651
19906,109
19805,604
19703,609
19603,663
19504,270
19404,035
19303,488
19202,524
Source

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

Battles & engagements in Valley

Military engagements that took place in Valley, Idaho.

Sheepeater Campaign — Big Creek Fight
1879
Sheepeater War – Big Creek Canyon Engagement
1879
Sheepeater War – Vinegar Hill Skirmish
1879
Sheepeater War — Big Creek Canyon Fight (September 1879)
1879
Battle of Big Creek
1879
Sheepeater War – Malad River Operations
1879
Sheepeater War — Battle of Big Creek (September 1879)
1879
Big Creek Ambush (Sheepeater)
1879
Sheepeater War – Battle of Big Creek
1879
Sheepeater War – South Fork Salmon Operations
1879
Sheepeater War — Battle of Vinegar Hill (August 1879)
1879
Sheepeater Campaign — Soldier Bar Fight
1879
Sheepeater War – Surrender of Sheepeaters
1879
Vinegar Hill Engagement
1879

Historic places in Valley

National Register of Historic Places listings in Valley, Idaho.

Elo School
McCall
North Fork Payette River Bridge
Smiths Ferry
Payette Lakes Club
McCall
Rice Meetinghouse
McCall
Ojala, Herman, Homestead
Lake Fork
Krassel Ranger Station
Yellowpine
Browse all Idahohistoric sites ›

Other counties in Idaho

Explore census history and historic records for more Idaho counties.

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Everything a full report reveals about Valley County, Idaho

This page charts the census history of Valley County, Idaho. 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 Valley

When does Valley first appear in the US census?
Valley, Idaho first appears in the federal census in 1920, with a recorded population of 2,524.
What is the population of Valley?
At the most recent federal census (2020), Valley had a recorded population of 11,746.
Were any battles fought in Valley?
14 documented military engagements took place in Valley, including Sheepeater Campaign — Big Creek Fight, Sheepeater War – Big Creek Canyon Engagement, Sheepeater War – Vinegar Hill Skirmish.
How many historic places are in Valley?
25 sites are listed on the National Register of Historic Places in Valley, Idaho.
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