The total value of farmsand rural real estate for sale in Hamilton County, New York, recently on Land.com was $278 million. This represents around 100,000 acres of land for sale in Hamilton County. Hamilton County ranks 57th in New York based on the total amount of acres of land for sale among the 62 counties in the Empire State. Among cities in Hamilton County with farms, rural land, hunting land and other land for sale, Long Lake featured the most land for sale. Based on its natural assets, Hamilton County's economy is dependent on tourism and recreation. Hamilton County is one of the ten largest counties in New York (1,807 square miles). It's located in the Northern New York region of the state.