South Dakota: Corporations

Tax Rate (2015) 
Corporate Marginal Income Tax Rate None
Individual Income Tax Rate None
Sales Tax Rate 4%
Business Tax Climate Index Rankings (2015) 
Business Tax Climate Index 2
Corporate Tax Index Rank 1
Individual Income Tax Index Rank 1
Sales Tax Index Rank 35
Unemployment Insurance Tax Index Rank 41
Property Tax Index Rank 18

Sources:
Tax Foundation (2015)

Glossary