Missouri

Johnson

54,013
2020 population
1840
first census record
19
census records

About Johnson

Johnson, Missouri, first appears in the United States federal census in 1840, when it recorded a population of 4,471. At the most recent census, in 2020, its population stood at 54,013.

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

On the ground today, 3 documented military engagements have been recorded within the county, among them Warrensburg MO Skirmish (Johnson County), Skirmish at Holden, Skirmish at Kingsville (Second), Missouri, and 22 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202054,013
201052,595
200048,258
199042,514
198039,059
197034,172
196028,981
195020,716
194021,617
193022,413
192024,899
191026,297
190027,843
189028,132
188028,172
187024,648
186014,644
18507,464
18404,471
Source

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

Battles & engagements in Johnson

Military engagements that took place in Johnson, Missouri.

Warrensburg MO Skirmish (Johnson County)
1862
Skirmish at Holden
1863
Skirmish at Kingsville (Second), Missouri
1864

Historic places in Johnson

National Register of Historic Places listings in Johnson, Missouri.

Magnolia Mills
Warrensburg
Johnson County Courthouse
Warrensburg
Pleasant View School
Medford
Warren Steet Methodist Episcopal Church
Warrensburg
Griebel, Lewis and Sophie, House
Warrensburg
Chilhowee Historic District
Chilhowee
Howard School
Warrensburg
Grover Street Victorian Historic District
Warrensburg
Adams, John A., Farmstead Historic District
Warrensburg
Browse all Missourihistoric sites ›

Other counties in Missouri

Explore census history and historic records for more Missouri counties.

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Everything a full report reveals about Johnson County, Missouri

This page charts the census history of Johnson 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 Johnson

When does Johnson first appear in the US census?
Johnson, Missouri first appears in the federal census in 1840, with a recorded population of 4,471.
What is the population of Johnson?
At the most recent federal census (2020), Johnson had a recorded population of 54,013.
Were any battles fought in Johnson?
3 documented military engagements took place in Johnson, including Warrensburg MO Skirmish (Johnson County), Skirmish at Holden, Skirmish at Kingsville (Second), Missouri.
How many historic places are in Johnson?
22 sites are listed on the National Register of Historic Places in Johnson, Missouri.
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