The significant characteristics of the economy of South Dakota are: (1) the dominant role of agriculture in the state (2) the erratic nature of its agricultural production and (3) the decrease in economic activity and population as one moves from the southeastern to the northwestern part of the state. In I960, 61 percent of the population was classified as rural by the Census Bureau. This includes towns under 2,500 population. Only North Dakota has a greater percentage of its population living in rural areas The saying that you can\u27t keep them home on the farm is as appropriate to South Dakota as it is for the nation. The percentage of people living in rural areas in South Dakota was 89.8 in 1900; 84.0 in 1920; 75.4 in 1940; and 61.0 i...