Sumner County, Kansas

Chisholm Trail near Caldwell, Kansas by Kathy Alexander.

Chisholm Trail near Caldwell, Kansas, by Kathy Alexander.

Towns & Places:

Argonia
Belle Plaine
Caldwell 
Conway Springs
Geuda Springs/Geuda
HunnewellGhost Town
Mayfield
Milton
Milan
Mulvane
Oxford/Neptawah
South Haven
Wellington – County Seat

Extinct Towns

Chisholm Trail

Chikaskia River

Drury Dam Waterfall

Wellington Lake

Sumner County Photo Gallery

Sumner County, Kansas Location

Sumner County, Kansas Location

Sumner County, Kansas by L.H. Everts & Co, 1887

Sumner County, Kansas by L.H. Everts & Co, 1887

Sumner County, Kansas, located in the south-central part of the state, was created from parts of Marion and Butler Counties on February 26, 1867. It was named in honor of Charles Sumner, a U.S. Senator from Massachusetts, who strongly advocated for Kansas to become a Free State.

The county seat is Wellington. As of the 2020 census, the population was 22,382.

©Kathy Alexander/Legends of Kansas, updated May 2024.

Also See:

Everyplace in Kansas

Kansas Counties

Kansas Destinations

Scenic Byways