The total value of farms, rural land, hunting land and other land for sale in Ozaukee County recently on Land.com was nearly $53 million. This represents nearly 1,000 acres of farms and rural real estate for sale in Ozaukee County. Ozaukee County ranks 49th in the Badger State for the total acreage of land currently advertised for sale. Of all land and rural real estate for sale in Ozaukee County, Grafton had the most land for sale. Manufacturing and related services are the largest economic sectors in Ozaukee County. Ozaukee County is Wisconsin's 17th biggest county (1,116 square miles). It's located in the Southeast Wisconsin region of Wisconsin.