Allegheny County is in Pittsburgh & Countryside Pennsylvania. Of the 67 counties in the Independence State, Allegheny County is 30th in terms of its size (744 square miles). There is 1,000 acres of farms for sale in Allegheny County, Pennsylvania, based on recent Land Network data. The combined market value of farmsand rural real estate for sale here is $1 million. The average price of farms for sale in Allegheny County was $340,000. Farms for sale in Allegheny County hold livestock including horses, cattle, sheep, pig and goats. Browse all Pennsylvania 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 lifestyle needs.