This depends on what you define "richest city" as.
Based on Adjusted Gross Income as reported to the IRS, zip code 57049, North Sioux City, South Dakota, is the richest city in South Dakota with an AGI of $331,454.
The richest man in North Dakota is Gary Tharaldson of Fargo, North Dakota. He owns Tharaldson Hospitalities. He built his fortune by building and acquiring hotels, even owning his own construction company. He has also invested in commercial and residential developments across the country along with an ethanol production facility.
T. Denny Sanford of Sioux Falls, South Dakota worth $2.5 billion from his credit card business. He is ranked #374 on the Forbes 400 in 2016.
T. Denny Sanford ($2.5 billion)
Barb and Tom Everist ($130 million)
Neal Wanless (won a $232million Powerball)
The richest person in North Dakota is Gary Tharaldson. He is worth 1 billion US dollars.
1) Denny Sanford
T denny sanford
Prostrello
The Rothschilds
Nebraska, Kansas, and South Dakota.
Nebraska, Kansas and South Dakota
no
1. Rothchilds 2. Rockerfellas
South Dakota
No
The US state of South Dakota is south of the US state of North Dakota.
The US state of North Dakota is north of South Dakota.
Yankton, South Dakota is on the border of South Dakota and Nebraska as are North Siuox City and Dakota Dunes, South Dakota. Big Stone City, South Dakota is on the border of South Dakota and Minnesota. Lemmon, South Dakota is located on the border of South Dakota and North Dakota.
South Dakota did not have any 'colonial days' because South Dakota was not a colony. South Dakota was part of the Dakota Territory, so South Dakota had 'territorial days'.
North Dakota is up by the border of Canada, Wyoming is just next to South Dakota.