Montgomery County is in Capital Maryland. Of the 24 counties in the Terrapin State, Montgomery County is 12th in terms of its size (506 square miles). Recent listings of farms for sale in Montgomery County, Maryland, totals almost 1,000 acres and a combined market value of roughly $35 million. The most common type of land for sale by combined acreage in Montgomery County is house. The average price of farmland for sale in Montgomery County was $2 million. 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 commercial or individual needs.