A total of nearly 6,000 acres were listed for sale in Columbia County, New York, recently, representing a combined nearly $221 million in Columbia County land and rural real estate for sale. Columbia County ranks 23rd out of 62 counties in the state for the total acreage of land currently advertised for sale. Of all farms and rural real estate for sale in Columbia County, Hudson featured the most land for sale. Based on its natural assets, tourism and recreation contribute significant revenue toward Columbia County's overall GDP. Columbia County is the 38th biggest county (648 square miles) in New York. It's located in the Southern New York region of New York.