The value of land and rural real estate for sale in New Jersey's Hudson County recently on Land.com was $3 million. This represents almost 6,000 acres of farms and rural real estate for sale in Hudson County. Hudson County ranks 21st in the Garden State for the total acreage of land currently advertised for sale. Of all farms, hunting land and other rural land and acreage for sale in Hudson County, Jersey City featured the most land for sale. Hudson County is the 21st biggest county (62 square miles) in New Jersey. It's located in the North New Jersey region of New Jersey.