The U.S. Bureau of Labor Statistics provides current "Economy at a Glance" snapshots on the state level. View Economy at a Glance for South Dakota, North Dakota, Minnesota, Nebraska, and Iowa here.
State Departments of Labor
Different states will have different information under the office of a state department of labor. South Dakota, for example, has the Department of Labor and Regulation, which includes the Labor Market Information Center.
Search for historical information on state level using the BEA Archive. It will help you find historic GDP, personal expenditures, employment, and more doing back to 1996.
County Business Patterns (CBP) is an annual series that provides subnational economic data for establishments with paid employees by industry and employment size. This series includes the number of establishments, employment during the week of March 12, first quarter payroll, and annual payroll.
The Business Trends and Outlook Survey (BTOS) provides insight into the state of the economy by providing timely data for key economic measures and business expectations about future conditions. By providing detailed geographic and subsector data, BTOS will provide local, state, and federal officials near real-time data for policy and decision-making including after natural disasters or during economic crises. The BTOS will also provide insight into recovery after these events.
Discover economic history via government documents and reports using FRASER. FRASER is a part of the Federal Reserve and holds information on a variety of historic economic topics.
A summary and analysis of economic activity and conditions, prepared with the aid of reports from the district Federal Reserve Banks and issued by the central bank of the Federal Reserve for its policy makers before a Federal Open Market Committee meeting. Data here goes back to 1996.