Calvert County is in Southern Maryland. Of the 24 counties in the state, Calvert County is 21st in terms of its size (345 square miles). The total value of almost 1,000 acres of farms recently listed for sale in Calvert County, Maryland, was nearly $2 million. The average price of farms for sale in Calvert County was $772,500. Farms for sale in Calvert County sustain livestock including horses. Browse all Maryland farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future business or lifestyle needs.