There was a combined nearly $384 million of land for sale in Jefferson County recently on Land.com. The total size of all Jefferson County farms, ranches, hunting land and other land for sale was 5,000 acres. Jefferson County ranks 20th in the state for the combined amount of land currently advertised for sale. There were two properties listed as sold in Jefferson County through the Land Network Comparable Sales Program. This represented a total value of $2,249,900. Among cities in Jefferson County with farms and ranches for sale, Evergreen had the most land for sale. Jefferson County is Colorado's 50th biggest county (774 square miles). It's located in the Denver Colorado region of the state.