There was a total of $4 million of farms and rural land for sale in Hudson County recently on Land.com. The total size of all Hudson County farms and rural real estate for sale was nearly 9,000 acres. Hudson County ranks 21st in the Garden State based on the combined acreage of land for sale of the 21 counties in the Garden State. Among cities in Hudson County with land and rural real estate for sale, Jersey City featured the most land for sale. Hudson County is New Jersey's 21st biggest county (62 square miles). It's located in the North New Jersey region of New Jersey.