The total value of land for sale in Hudson County, New Jersey, recently on Land.com was approximately $4 million. This represents nearly 1,000 acres of farms and rural land for sale in Hudson County. Hudson County ranks 21st in New Jersey for the total acreage of land currently advertised for sale. Of all locations in Hudson County with land for sale, Jersey City had 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 the state.