Sully County, South Dakota Basics:
Sully County South Dakota - Government Site
Population: 1,435
Area: 1007 square miles
County Seat: Onida
Area Code(s) in use: 605
Time Zone: CST
Sully County, South Dakota
Map of the Sully County area
Our detail map of Sully County shows Sully County, South Dakota boundary lines and other interesting items.
Places in Sully County, South Dakota
Airport
Nelson Landing Strip, Onida Municipal Airport
Bend
Little Bend
Cemetery
Agar Cemetery, Blair Cemetery, Okobojo Cemetery, Pleasant Cemetery, Schreiber Cemetery
Civil
City of Onida, Sully County, Town of Agar, Township of Blaine, Township of Buffalo, Township of Clifton (historical), Township of Cora, Township of Elk, Township of Fairbank, Township of Fairview, Township of Farmington, Township of Garner, Township of Good Water, Township of Grand View, Township of Harrison, Township of Hartford, Township of Iowa, Township of Lake (historical), Township of Lewellyn Park, Township of Lincoln, Township of Little Bend, Township of Milford, Township of Morton, Township of Norfolk, Township of Okobojo, Township of Onida, Township of Pearl, Township of Pleasant, Township of Rich Valley, Township of Summit, Township of Troy, Unorganized Territory of East Sully, Unorganized Territory of West Sully
Dam
A Mosiman Dam, D Trumble Dam, G Lytle Dam, K Darland Dam, K Sutton Dam, K Sutton Dam, Okobojo Dam, R G Goddard Dam, R Mundt Dam, T R Baker Dam, Taylor Brothers Dam, V Garrett Dam, W Assmessen Dam, W Day Dam, W Day Dam
Flat
Target Flat (historical), Telegraph Flat (historical)
Island
Devils Island (historical), Little Bend (historical), Mission Island (historical), Plum Island (historical), Stanley Island (historical)
Lake
Cottonwood Lake, Durrstein Lake, Stone Lake, Walker Lake, Warnes Slough
Locale
Carson (historical), Clifton (historical), Fairbank (historical), Fort Sully (historical), Fort Sully (historical), Lewiston (historical), Little Bend (historical), Lower Sully Landing (historical), Marston (historical), Percilla (historical), Waterford (historical), Zimmermans Ranch (historical)
Park
Cottonwood Lake State Wildlife Refuge, Cow Creek Recreation Area, Hofer State Public Shooting Area, Koenig State Public Shooting Area, Little Bend Recreational Area, Okobojo Creek Recreation Area, Okobojo Recreation Area, Stone Lake State Public Shooting Area, Sutton Bay Recreation Area
Populated Place
Agar, Eakin, Okobojo, Onida
Post Office
Fairbank Post Office (historical), Kaspar Post Office (historical), Laurel Post Office (historical), Lewiston Post Office (historical), Little Bend Post Office (historical), Marston Post Office (historical), McCamley Post Office (historical), Milford Post Office (historical), Ney Post Office (historical), Potter Post Office (historical), Roy Post Office (historical), Shiloh Post Office (historical), Warnecke Post Office (historical)
Range
Sully Buttes
Reservoir
Fuller Lake, Lake Okobojo, Mundt Lake, Mundt Lake, Post Lake, Sully Lake, Troy Lake
School
Blaine School, Buffalo School, Cass School, Clifton School, East Cora School, Fairview School, Goodwater School, Harrison School, Lincoln School, Norfolk School, Okobojo School, Pearl School, Pleasant School, Prairie View School, Rich Valley School, Todd School, Troy School, West Fairbank School
Stream
Artichoke Creek, Bloody Run, Dry Creek, Mail Shack Creek, Okobojo Creek, Plum Creek, Sully Creek
Summit
Artichoke Butte, Snake Butte
Valley
Bakers Gulch, Spring Draw, Stony Gulch (historical)
| Race | Population |
| White |  1,396 |
| Mixed | 20 |
| American Indian | 17 |
| Asian | 2 |
| Hawaiian & Pacific Islander | 0 |
| Additional population tables : | |
| State population table | |
| South Dakota population by county | |