Employment increased in 202 of the 357 largest U.S. counties from March 2019 to March 2020, while 335 counties had over-the-year increases in average weekly wages. St. Johns County, Florida, had the largest over-the-year percentage increase in employment, 3.7 percent. Ector County, Texas, experienced the largest over-the-year percentage decrease in employment, 5.5 percent. In March 2020, national employment increased to 147.1 million, a 0.4-percent increase over the year. read more »