This series is calculated by FRB-St. Louis using data series from the Bureau of Labor Statistics. The FRB-St. Louis District includes all of Arkansas and portions of six other states: Missouri, Mississippi, Tennessee, Kentucky, Indiana and Illinois.
Source: US. Bureau of Labor Statistics
US. Bureau of Labor Statistics, Civilian Labor Force for all Indiana counties in FRB-St. Louis District (Discontinued Series) [DINLFN], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/DINLFN/, August 3, 2015.