"Each month the Current Employment Statistics (CES) program surveys about 141,000 businesses and government agencies, representing approximately 486,000 individual worksites, in order to provide detailed industry data on employment, hours, and earnings of workers on nonfarm payrolls."
The U.S. Bureau of Labor Statistics (BLS) issues local area unemployment data. Look at the numbers for the state, counties and the two metropolitan areas associated with Washington Baltimore Arlington, DC-MD-VA-WV-PA Combined Statistical Area (CSA).
Metropolitan Area Employment and Unemployment Summary
The U.S. Bureau of Labor Statistics (BLS) issues Economic News Releases. This one relates to Metropolitan Area data on employment and unemployment. Mouse over the other tabs at the top of the BLS web page for information on other topics.
Do a Control F (Find Command) and search for the word "South" in the report to obtain data on this region.