Located in Wyoming, 4,802-square-mile Campbell County accounts for five percent of the state's total land area. Of the 23 counties in Wyoming, Campbell County is one of the three largest counties in the state (population: 49,220, according to 2015 Census estimates). Mining and mineral extraction-related services are the main economic drivers in this part of Wyoming. Recent Lands of America data shows that the average price-per-acre value of ranches, land, farms and other recreational acreage for sale in Campbell County is $1,059. The average listing price was $2,575,000 (the most expensive listing being for $4.3 million) and the median land-parcel size was 2,431 acres. Land for sale in Campbell County totaled 4,861 acres and $5.2 million in overall land value, with the city of Gillette featuring the most land for sale in the county. Farmland was the most common type of land for sale in Campbell County.