The value of all land for sale in Broomfield County, Colorado, recently was $20 million, representing a total of 10 acres of land for sale in Broomfield County. Broomfield County ranks 60th in the Centennial State for the total acreage of land currently advertised for sale. Among cities in Broomfield County with farms, ranches, and rural real estate for sale, Broomfield featured the most land for sale. Broomfield County is Colorado's 64th biggest county (33 square miles). It's located in the Front Range Colorado region of the state.