Kansas

Sumner

22,382
2020 population
1870
first census record
16
census records

About Sumner

Sumner, Kansas, first appears in the United States federal census in 1870, when it recorded a population of 22. At the most recent census, in 2020, its population stood at 22,382.

Its recorded population peaked at 30,654 in 1910, and has since declined by roughly 27 percent.

On the ground today, one documented military engagement has been recorded within the county, among them Caldwell Violence Queen of the Cowboys, and 10 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202022,382
201024,132
200025,946
199025,841
198024,928
197023,553
196025,316
195023,646
194026,163
193028,960
192029,213
191030,654
190025,631
189030,271
188020,812
187022
Source

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

Battles & engagements in Sumner

Military engagements that took place in Sumner, Kansas.

Caldwell Violence Queen of the Cowboys
1882

Historic places in Sumner

National Register of Historic Places listings in Sumner, Kansas.

Bartlett Arboretum
Belle Plaine
Buresh Archeological Site
Caldwell
Caldwell Carnegie Library
Caldwell
Browse all Kansashistoric sites ›

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Everything a full report reveals about Sumner County, Kansas

This page charts the census history of Sumner County, Kansas. 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 Sumner

When does Sumner first appear in the US census?
Sumner, Kansas first appears in the federal census in 1870, with a recorded population of 22.
What is the population of Sumner?
At the most recent federal census (2020), Sumner had a recorded population of 22,382.
When did Sumner's population peak?
Sumner's recorded population peaked at 30,654 in 1910.
Were any battles fought in Sumner?
1 documented military engagement took place in Sumner, including Caldwell Violence Queen of the Cowboys.
How many historic places are in Sumner?
10 sites are listed on the National Register of Historic Places in Sumner, Kansas.
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