A total of approximately 2,000 acres were listed for sale in Sully County recently; the combined value of all Sully County farms, ranches, and rural real estate for sale was nearly $10 million. Sully County ranks 34th out of 66 counties in South Dakota for the total acreage of land currently advertised for sale. Among cities in Sully County with land and rural real estate for sale, Pierre had the most land for sale. Sully County has a large agricultural economy, with 191 farms recorded in the county during the latest U.S. Census. Farming activities in Sully County generate annual revenues of $7 million, most of which is from crops. Sully County is the 29th largest county (1,070 square miles) in South Dakota. It's located in the Great Lakes South Dakota region of South Dakota.