A total of 1,000 acres were listed for sale in Ida County, Iowa, recently; the combined value of all Ida County land for sale was approximately $5 million. Ida County ranks 84th in Iowa for the total number of acres of land currently advertised for sale. Ida Grove had the most land for sale. Ida County is the 88th biggest county (432 square miles) in Iowa. It's located in the Western Iowa region of the state.