Idaho

Nez Perce

42,090
2020 population
1870
first census record
16
census records

About Nez Perce

Nez Perce, Idaho, first appears in the United States federal census in 1870, when it recorded a population of 1,607. At the most recent census, in 2020, its population stood at 42,090.

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

On the ground today, 7 documented military engagements have been recorded within the county, among them Nez Perce Reservation Survey Confrontation (1872), Nez Perce Reservation Agency Confrontation (1874), General Howard's Nez Perce Council at Lapwai, and 32 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202042,090
201039,265
200037,410
199033,754
198033,220
197030,376
196027,066
195022,658
194018,873
193017,591
192015,253
191024,860
190013,748
18902,847
18803,965
18701,607
Source

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

Battles & engagements in Nez Perce

Military engagements that took place in Nez Perce, Idaho.

Nez Perce Reservation Survey Confrontation (1872)
1872
Nez Perce Reservation Agency Confrontation (1874)
1874
General Howard's Nez Perce Council at Lapwai
1877
Nez Perce War – Looking Glass Village Attack
1877
Nez Perce War – Lawyer Band Non-Resistance
1877
Nez Perce War — Lewiston Area Killings 1877
1877
Lewiston — Nez Perce Aftermath Violence ID
1878

Historic places in Nez Perce

National Register of Historic Places listings in Nez Perce, Idaho.

Tamblyn, Agnes M., House
Lewiston
Nez Perce Snake River Archeological District
Lewiston
Nave Apartments
Lewiston
Garfield School
Lewiston
JEAN (steamboat)
Lewistown
First Presbyterian Church
Lapwai
American Women's League Chapter House
Peck
Breier Building
Lewiston
Booth, Frank, House
Lewiston
Asposas, James, House
Lewiston
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 Nez Perce County, Idaho

This page charts the census history of Nez Perce 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 Nez Perce

When does Nez Perce first appear in the US census?
Nez Perce, Idaho first appears in the federal census in 1870, with a recorded population of 1,607.
What is the population of Nez Perce?
At the most recent federal census (2020), Nez Perce had a recorded population of 42,090.
Were any battles fought in Nez Perce?
7 documented military engagements took place in Nez Perce, including Nez Perce Reservation Survey Confrontation (1872), Nez Perce Reservation Agency Confrontation (1874), General Howard's Nez Perce Council at Lapwai.
How many historic places are in Nez Perce?
32 sites are listed on the National Register of Historic Places in Nez Perce, Idaho.
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