A total of almost 2,000 acres were listed for sale in Sully County, South Dakota, recently; the value of all Sully County farms, ranches, hunting land and other land for sale was nearly $10 million. Sully County ranks 33rd in the state for the total acreage of land currently advertised for sale. Of all land and rural real estate for sale in Sully County, Pierre featured the most land for sale. Agriculture and farming drives the Sully County economy, with 191 farms recorded in the county during the U.S. Census in 2012. Farming activities in Sully County generate annual revenues of $7 million, most of which is from crops. Sully County is the 29th biggest county (1,070 square miles) in South Dakota. It's located in the Great Lakes South Dakota region of South Dakota.