A total of 1,000 acres were listed for sale in Chickasaw County recently; the value of all Chickasaw County farms, ranches, hunting land and other land for sale was almost $6 million. Chickasaw County ranks 92nd in the state for the total acreage of land currently advertised for sale. Nashua featured the most land for sale. Manufacturing and related services are the largest economic sectors in Chickasaw County. Chickasaw County is Iowa's 70th biggest county (505 square miles). It's located in the Eastern Iowa region of Iowa.