A total of almost 1,000 acres were listed for sale in Racine County, Wisconsin, recently; the value of all Racine County land for sale was almost $42 million. Racine County ranks 54th out of 72 counties in the Cheese State for the total acreage of land currently advertised for sale. Union Grove featured the most land for sale. Manufacturing and related services are the largest economic sectors in Racine County. Racine County is Wisconsin's 42nd biggest county (792 square miles). It's located in the Southeast Wisconsin region of Wisconsin.