There was a total of nearly $34 million of land for sale in Passaic County recently on Land.com. The total of all Passaic County land and rural real estate for sale was nearly 100,000 acres. Based on the combined acreage of land and rural property for sale here, Passaic County has the most land for sale of all counties in the Garden State. Among cities in Passaic County with farms, rural land, hunting land and other land for sale, Awosting featured the most land for sale. Passaic County is New Jersey's 18th biggest county (198 square miles). It's located in the North New Jersey region of New Jersey.