Missouri

Knox

3,744
2020 population
1850
first census record
18
census records

About Knox

Knox, Missouri, first appears in the United States federal census in 1850, when it recorded a population of 2,894. At the most recent census, in 2020, its population stood at 3,744.

Its recorded population peaked at 13,501 in 1890, and has since declined by roughly 72 percent.

On the ground today, one documented military engagement has been recorded within the county, among them Edina Skirmish (Knox County), and 2 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
20203,744
20104,131
20004,361
19904,482
19805,508
19705,692
19606,558
19507,617
19408,878
19309,658
192010,783
191012,403
190013,479
189013,501
188013,047
187010,974
18608,727
18502,894
Source

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

Battles & engagements in Knox

Military engagements that took place in Knox, Missouri.

Edina Skirmish (Knox County)
1862

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Everything a full report reveals about Knox County, Missouri

This page charts the census history of Knox County, Missouri. 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 Knox

When does Knox first appear in the US census?
Knox, Missouri first appears in the federal census in 1850, with a recorded population of 2,894.
What is the population of Knox?
At the most recent federal census (2020), Knox had a recorded population of 3,744.
When did Knox's population peak?
Knox's recorded population peaked at 13,501 in 1890.
Were any battles fought in Knox?
1 documented military engagement took place in Knox, including Edina Skirmish (Knox County).
How many historic places are in Knox?
2 sites are listed on the National Register of Historic Places in Knox, Missouri.
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