The value of all ranches, farms, hunting land and other rural land and acreage for sale in Denver County recently was nearly $15 million, representing a combined 4,100 acres of land for sale in Denver County. Denver County ranks 61st in the Centennial State for the combined amount of land currently advertised for sale. Denver featured the most land for sale. Denver County is Colorado's 62nd biggest county (154 square miles). It's located in the Denver Colorado region of the state.