wrote. "Nationally, the number of farm jobs fell by 14.1 percent between 2001 and 2013. During the same period, total farm earnings increased 63.4 percent (in real terms), according to data from the Bureau of Economic Analysis. Farming dependence has become more concentrated in Midwestern counties, while farm dependence has dropped more sharply elsewhere.
The recent drop in oil prices may have reduced the number of counties dependent on mining. This map shows in colors the counties that were judged to be dependent on farming, mining, recreation, manufacturing and government in 2012. Click on either map for a larger version of each image; for more detail, save the image and enlarge it.