Yankton County South Dakota - Government Site
Population: 21,779
Area: 522 square miles
County Seat: Yankton
Area Code(s) in use: 605
Time Zone: CST
Adjacent counties:
Bon Homme Cedar (NE) Clay Hutchinson Knox (NE) Turner
Public Records Directory
Court Records and Directory
Airport
Chan Gurney Municipal Airport
Building
South Dakota Human Services Center
Cape
Antelope Point (historical), Gavins Point
Cemetery
Beadleston Cemetery, Civil Cemetery, Danisi Cemetery, East Cemetery, Elim Cemetery, Elm Grove Cemetery, Garden of Memories Cemetery, Gayville Cemetery, Hillcrest Cemetery, Klasi Cemetery, Lake Port Cemetery, Martinus Cemetery, Meldal Cemetery, Mueller Cemetery, Nedved Cemetery, Nikodym Cemetery, Odessa Cemetery, Ogstad Cemetery, Petersburg Cemetery, Pioneer Cemetery, Polish Cemetery, Reform Cemetery, Rosenberg Cemetery, Sacred Heart Cemetery, Saint Johns Cemetery, Salem Cemetery, Volin Cemetery, Voll Cemetery, Walshtown Cemetery, West Cemetery
Church
Bethlehem Church, Martinus Church, Nazarene Church, Our Saviours Church, Sacred Heart Church, Saint Columba Church, Saron Church, Sigel Church, Trondhjem Church, Turkey Valley Church, Vangen Church, Zion Church
Civil
City of Yankton, Town of Gayville, Town of Lesterville, Town of Mission Hill, Town of Utica, Town of Volin, Township of Central, Township of Gayville, Township of Jamesville, Township of Lake Port, Township of Lesterville, Township of Marindahl, Township of Mayfield, Township of Mission Hill, Township of Odessa, Township of Turkey Valley, Township of Utica, Township of Volin, Township of Walshtown, Township of Ziskov, Unorganized Territory of Southeast Yankton, Unorganized Territory of West Yankton, Yankton County
Cliff
White Bear Cliff (historical)
Dam
Beaver Dam, Gavins Point Dam, Marindahl Dam
Island
Green Island (historical), Sand Island (historical), Sego Island (historical)
Lake
Guthmiller Lake
Locale
Center Point, Fort Yankton Historic Site, Gavins Point National Fish Hatchery, Glenridge Country Club, J and E Trailer Court, LaGrange (historical), Lakeport (historical), Marindahl (historical), Mayfield (historical), Norway (historical), Sigel (historical), Walshtown (historical), Yankton County Poor Farm (historical), Yankton Mall, Yankton Plaza, Ziskov (historical)
Park
Chief White Crane Recreation Area, Cottonwood Recreation Area, Crockett Park, Fantle Memorial Park, Gavins Point Recreation Area, Lesterville Recreation Area, Lincoln Park, Midway Recreation Area, Pierson Ranch Recreation Area, Sioux Council Boy Scout Reservation, Tripp Park
Populated Place
Fairview Heights, Gayville, Jamesville, Lakeport, Lesterville, Mayfield, Midway, Mission Hill, Napa Junction, Northshore Development, Oak Hills Addition, Pearsons Corner, Utica, Valleyview, Vedin Corner, Volin, Yankton
Reservoir
Beaver Lake, Lake Yankton, Lake Yankton, Lewis and Clark Lake, Marindahl Lake
School
Anderson School, Beadle School, Beaver Creek School, Bender School, Berkley School, Bruget School, Butterview School, Clay Valley School, Cornbelt School, De Vol School, Fairyview School, Garfield School, Grove School, Howard School, Huber School, Inch School, Kietzman School, Klimisch School, Knodel School, Lincoln School, Lowell School, McFarland School, Norway School, Oakdale School, Oswald School, Pershing School, Peterson School, Pierson School (historical), Pike School, Plainview School, Pleasant Valley School, Rempp School, Sacred Heart School, Schaeffer School, Sletten School, Stewart School, Stoller School, Sunrise School, Walshtown School, Webster School, Welby School, West Prairie School, Whittier School, Willowdale School, Yankton College
Stream
Beaver Creek, Clay Creek, James River, James River, James River, Marne Creek, Mud Creek, Prairie Creek, Smoky Run, Turkey Creek
Tower
KQHU-FM (Yankton), KYNT-AM (Yankton), WNAX-AM (Yankton)
| Race | Population |
| White |  20,751 |
| American Indian | 404 |
| Black | 335 |
| Mixed | 177 |
| Asian | 108 |
| Hawaiian & Pacific Islander | 4 |
| Additional population tables : | |
| State population table | |
| South Dakota population by county | |