Land for sale in Jackson County, Colorado, recently totaled approximately $40 million and 7,000 acres. Jackson County ranks 58th out of 64 counties in the Mile High State for the total acreage of land currently advertised for sale. Of all locations in Jackson County with ranches, farms, hunting land and other rural land and acreage for sale, Walden had the most land for sale. Jackson County has a large agricultural economy, with 105 farms recorded in the county during the latest U.S. Census. Farming activities in Jackson County generate annual revenues of $1 million, the majority of which comes from livestock products. Jackson County is the 29th largest county (1,620 square miles) in Colorado. It's located in the Northwest Colorado region of Colorado.