There was a combined approximately $5 million of land for sale in Sac County, Iowa, recently on Land.com. The total acreage of all Sac County land and rural real estate for sale was around 1,000 acres. Sac County ranks 92nd in the state for the total acreage of land currently advertised for sale. Sac City featured the most land for sale. Sac County has a large agricultural economy, with 914 farms recorded in the county during the latest U.S. Census. Farming activities in Sac County generate annual revenues of $31 million, the majority of which comes from livestock products. Sac County is the 37th largest county (578 square miles) in Iowa. It's located in the Western Iowa region of Iowa.