The value of all farms, rural land, hunting land and other land for sale in Morris County recently was $235 million, representing a total of 948 acres of land for sale in Morris County. Morris County ranks fifth in the state for the total acreage of land currently advertised for sale. Among cities in Morris County with land and rural real estate for sale, Rockaway featured the most land for sale. Morris County is one of the ten largest counties in New Jersey (481 square miles). It's located in the North New Jersey region of the state.