Roberts County, South Dakota

Roberts County, South Dakota
Roberts County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 10,280. Its county seat is Sisseton. The county was named either for S. G. Roberts of Fargo, North Dakota, or for Solomon Robar, an early local French fur trader. It was created on March 8, 1883, and fully organized by August 6 of that year. Its boundary was altered once, in 1885.
Geography
Roberts County is at South Dakota's northeastern corner. Its eastern boundary abuts Minnesota (across the Bois de Sioux River), and its northern boundary abuts North Dakota. The Cottonwood Slough flows southward, draining the upper portion of the county into the River. The terrain consists of rolling hills, devoted to agriculture. The terrain slopes to the east; its highest point is on its upper western boundary line, at ASL.
Roberts County has an area of , of which is land and (3.1%) is water. The Traverse Gap is in eastern Roberts County along the Minnesota border. The Lake Traverse Indian Reservation covers most of the county.
Major highways
Interstate 29
U.S. Route 12
U.S. Route 81
South Dakota Highway 10
South Dakota Highway 15
South Dakota Highway 25
South Dakota Highway 106
South Dakota Highway 109
South Dakota Highway 123
South Dakota Highway 127
Transit
Jefferson Lines
Adjacent counties
Richland County, North Dakota - north
Traverse County, Minnesota - northeast
Big Stone County, Minnesota - southeast
Grant County - south
Day County - southwest
Marshall County - west
Protected areas
Big Stone Island State Nature Area
Crawford State Game Production Area
Knutson State Game Production Area
Harmon State Game Production Area
Hartford Beach State Park
Peever Slough State Game Production Area
Sica Hollow State Park (part)
White Rock State Game Production Area
Lakes and rivers
Big Stone Lake
Bois de Sioux River
Clubhouse Lake
Cottonwood Lake
Dobberstien Slough
Drywood Lakes
Hurricane Lake
Lake Bdesska
Lake Traverse
Little Minnesota River
Oneroad Lake
Owl Lake
Round Lake
Whetstone River (North fork)
Whitestone Lake
Demographics
2020 census
As of the census of 2020, there were 10,163 people.
2010 census
As of the census of 2010, there were 10,149 people, 3,823 households, and 2,655 families residing in the county. The population density was . There were 4,905 housing units at an average density of . The racial makeup of the county was 61.7% white, 34.5% American Indian, 0.2% Asian, 0.1% black or African American, 0.4% from other races, and 3.0% from two or more races. Those of Hispanic or Latino origin made up 1.2% of the population. In terms of ancestry, 31.3% were German, 19.2% were Norwegian, 6.3% were Irish, and 3.8% were American.
Of the 3,823 households, 34.4% had children under the age of 18 living with them, 49.1% were married couples living together, 13.4% had a female householder with no husband present, 30.6% were non-families, and 27.3% of all households were made up of individuals. The average household size was 2.58 and the average family size was 3.11. The median age was 39.5 years.
The median income for a household in the county was $37,708 and the median income for a family was $46,146. Males had a median income of $34,080 versus $28,423 for females. The per capita income for the county was $19,825. About 14.3% of families and 20.0% of the population were below the poverty line, including 33.9% of those under age 18 and 11.0% of those age 65 or over.
Communities
Cities
Sisseton (county seat)
Wilmot
Towns
Claire City
Corona
New Effington
Ortley
Peever
Rosholt
Summit
White Rock
Census-designated places
Agency Village
Goodwill (former)
Long Hollow
Peever Flats
White Rock Colony
Unincorporated communities
Hammer
Hartford Beach
Hiawatha Beach
Lindon Beach
Shady Beach
Victor
Townships
Agency
Alto
Becker
Bossko
Bryant
Dry Wood Lake
Easter
Enterprise
Garfield
Geneseo
Goodwill
Grant
Harmon
Hart
Lake
Lawrence
Lee
Lien
Lockwood
Long Hollow
Minnesota
Norway
One Road
Rosholt
Ortley
Sisseton
Springdale
Spring Grove
Summit
Victor
White Rock
Notable people
Sleepy Eye, Sisseton Sioux chief
Gene Okerlund, wrestling announcer
Politics
See also
National Register of Historic Places listings in Roberts County, South Dakota
External links
Roberts County, South Dakota (Official site)
References
1883 establishments in Dakota Territory
Populated places established in 1883