Sumner County Kansas - Government Site
Population: 24,441
Area: 1182 square miles
County Seat: Wellington
Area Code(s) in use: 620
Time Zone: CST
Adjacent counties:
Butler Cowley Grant (OK) Harper Kay (OK) Kingman Sedgwick
Airport
Caldwell Municipal Airport, Hovorka Airport, Kendrigan Airport, Rogers Airport, Strother Air Field Number Two, Tracy Landing Field, Wamsley Field, Wellington Municipal Airport
Building
Argonia Fire Department, Caldwell Fire Department, City of Wellington Fire / Emergency Medical Service, Conway Springs Fire Department, Dixon Township Fire District, Mulvane Emergency Services, South Haven Volunteer Fire Department, Sumner County Fire District 10, Sumner County Fire District 11, Sumner County Fire District 3, Sumner County Fire District 5, Sumner County Fire District 8, Sumner County Fire District 9, Valverde Township Fire Department
Canal
Cowskin Creek Cutoff, Mill Race
Cemetery
Alton Cemetery, Amish Cemetery, Argonia Cemetery, Attebery Cemetery, Austin Cemetery, Bethany Cemetery, Caldwell Cemetery, Cesko Slovensky Cemetery, Chikaskia Cemetery, Chikaskia Cemetery, Conway Springs Cemetery, Corzine Cemetery, Eden Cemetery, Fairview Cemetery, Forest Hill Cemetery, Geuda Springs Cemetery, Goodel Cemetery, Greencastle Cemetery, Jordan Cemetery, Littleton Cemetery, Lollik Cemetery, Milan Cemetery, Morris Center Cemetery, Mount Hope Cemetery, Mulvane Cemetery, Oxford Cemetery, Porter Cemetery, Prairie Garden Cemetery, Prairie Lawn Cemetery, Rose Hill Cemetery, Sacred Heart Cemetery, Saint Josephs Cemetery, Spring Hill Cemetery, Sumner Memorial Gardens, Township Cemetery, Union Chapel Cemetery, United Cemetery, Wood Cemetery, Worden Cemetery, Work Cemetery
Church
Council Hill Church, Mount Hope Church, Slate Valley Church
Civil
City of Caldwell, City of Wellington, Sumner County, Township of Avon, Township of Belle Plaine, Township of Bluff, Township of Caldwell, Township of Chikaskia, Township of Conway, Township of Creek, Township of Dixon, Township of Downs, Township of Eden, Township of Falls, Township of Gore, Township of Greene, Township of Guelph, Township of Harmon, Township of Illinois, Township of Jackson, Township of London, Township of Morris, Township of Osborne, Township of Oxford, Township of Palestine, Township of Ryan, Township of Seventy-Six, Township of South Haven, Township of Springdale, Township of Sumner, Township of Valverde, Township of Walton, Township of Wellington
Dam
Wellington City Dam
Locale
Bitter Creek, Blackstone (historical), Boon (historical), Camp Loga Vista, Chikaskia (historical), Clear Dale (historical), Concord (historical), Dublin (historical), Guelph (historical), Knox (historical), London (historical), Mallory (historical), New Bedford (historical), Orie (historical), Sunset (historical), Wellington Service Area
Oilfield
Anson Oil Field, Anson Southeast Oil Field, Ashton Northwest Oil Field, Badger Creek Oil Field, Bitter Creek Oil Field, Churchill Oil Field, Fall Creek Oil Field, Guelph Oil Field, Holman Oil Field, Interchange Oil Field, Latta Northwest Oil Field, Latta Oil Field, Lee Oil Field, Murphy Oil Field, O'Hara Oil Field, Oxford Oil Field, Oxford West Oil Field, Padgett Oil Field, Peck Oil Field, Perth Oil Field, Portland Oil Field, Portland South Oil Field, Rusk Oil Field, South Haven Oil Field, Treckell Oil Field, Walta Oil Field, Wellington Northeast Oil Field, Wellington Oil Field, Yarnell Northeast Oil and Gas Field, Yarnell Oil and Gas Field, Zyba Oil Field
Park
Wellington City Park, Woods Park
Plain
Wichita Prairies
Populated Place
Adamsville, Anson, Argonia, Ashton, Belle Plaine, Bushnell, Caldwell, Cicero, Conway Springs, Corbin, Dalton, Doster, Drury, Ewell, Geuda Springs, Hunnewell, Mayfield, Metcalf, Milan, Millerton, Milton, Mulvane, Oxford, Paton, Peck, Perth, Portland, Riverdale, Roland, Rome, South Haven, Suppesville, Wellington, Whitman, Zyba
Post Office
Northfield Post Office (historical)
Reservoir
Wellington Lake
School
Avon School, Centerview School, Central School, Conway Springs High School, Dusty Corners School, Jefferson School, Lincoln Elementary School, London School, Madison School, McKinley School, Meekers School, Meridian School, New Salem School, Oak Grove School, Pink School, Plainview School, Prairie Garden School, Roosevelt School, Slate Valley School, South Haven High School, Union School, Valley Home School, Washington Elementary School, Wellington High School, Wellington Junior High School
Stream
Antelope Creek, Antelope Creek, Antelope Creek, Argonia Creek, Argyle Creek, Badger Creek, Beaver Creek, Beaver Creek, Bitter Creek, Bitter Creek, Bitter Creek, Bitter Creek, Bluff Creek, Bluff Creek, Bluff Creek, Cowskin Creek, Deer Creek, Dog Creek, Dry Creek, Dry Creek, Dry Creek, Dry Creek, East Bitter Creek, East Bitter Creek, East Bitter Creek, East Branch Fall Creek, East Prairie Creek, East Shoo Fly Creek, Elm Creek, Fall Creek, Fall Creek, Fall Creek, Garvey Creek, Hargis Creek, Jordan Creek, Long Creek, Lost Creek, Meridian Creek, Middle Bitter Creek, Middle Bitter Creek, Middle Bitter Creek, Middle Shoo Fly Creek, Ninnescah River, North Branch State Creek, Oak Creek, Osage Creek, Osage Creek, Osage Creek, Prairie Creek, Rodgers Branch, Salt Creek, Sand Creek, Sand Creek, Shoo Fly Creek, Shoo Fly Creek, Shoo Fly Creek, Shore Creek, Short Creek, Silver Creek, Silver Creek, Snyder Creek, South Branch Slate Creek, Spring Creek, Spring Creek, Spring Creek, Spring Creek, Spring Creek, Spring Creek, Spring Creek, Spring Creek, Spring Creek, Spring Creek, Turner Creek, West Prairie Creek, West Shoo Fly Creek, Winser Creek, Wolf Creek, Wolf Creek, Wolf Creek
Tower
KBUZ-FM (Arkansas City), KLEY-AM (Wellington), KZED-FM (Wellington)
| Race | Population |
| White |  23,445 |
| Mixed | 410 |
| American Indian | 264 |
| Black | 235 |
| Asian | 74 |
| Hawaiian & Pacific Islander | 13 |
| Additional population tables : | |
| State population table | |
| Kansas population by county | |