Maryland's 345-square-mile Calvert County covers three percent of the state's total land area. Of Maryland's 24 counties, Calvert County ranks 15th in terms of the size of its population (90,595, according to 2015 Census estimates). Based on its natural assets, tourism and recreation define the economic landscape of Calvert County. Recent Lands of America data shows that the average price-per-acre value of ranches, land, farms and other recreational acreage for sale in Calvert County is $535,714. The average listing price was $225,000 and the median size of land and real estate for sale in Calvert County was less than an acre. Land for sale in Calvert County totaled zero acres and $225,000 in overall land value. With a recreation- and tourism-dependent economy, recreational acreage and property, as well as hunting lands, are most commonly sold in Calvert County.