Washington County is in Northeast Colorado. Of the 64 counties in the state, 2,523-square-mile Washington County ranks 12th by size. There is nearly 5,000 acres of undeveloped land for sale in Colorado's Washington County based on recent Land Network data. The combined market value of farms and ranches for sale here is almost $5 million. The average price of undeveloped land for sale in Washington County was $3 million. The economy here is largely agricultural. Some suggested uses for undeveloped land currently for sale in Washington County include for hunting/fishing, commercial, and residential single use. Some common wildlife species to be found on undeveloped land for sale in Washington County include mule deer, elk, bear, turkey and antelope. Current commercial applications for commercial property for sale in Washington County include for hunting/fishing, commercial and residential single use. Browse all Colorado undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.