There are 13 cities in Sumner County, Kansas.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Wellington1Kansas7,6107,680-0.2%1,0407.32
Mulvane2Kansas7,1996,3003.12%1,6144.46
Belle Plaine3Kansas1,4641,471-0.14%1,7620.83
Conway Springs4Kansas1,1391,0941.06%1,1540.99
Oxford5Kansas1,0541,0450.29%1,1630.91
Caldwell6Kansas1,0111,024-0.3%9461.07
Argonia7Kansas449459-0.66%6400.70
South Haven8Kansas327326 3271
Geuda Springs9Kansas1591541.27%4700.34
Milton10Kansas145299 334.44
Mayfield11Kansas7473 2500.30
Milan12Kansas5353 4020.13
Hunnewell13Kansas4242 760.55
showing: 13 rows

Cities in Sumner County, Kansas by Population (2024)

What is the largest city in Sumner County, Kansas?

Wellington is the largest city in Sumner County.

What is the smallest city in Sumner County, Kansas?

Hunnewell is the smallest city in Sumner County.

How many cities are in Sumner County?

There are 13 cities in Sumner County, Kansas.

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