Best SEO and internet marketing services in Columbia County NY. Columbia County zip codes - 12017, 12029, 12037, 12050, 12060, 12075, 12106, 12115, 12125, 12130, 12132, 12136, 12165, 12172, 12173, 12174, 12184, 12195, 12502, 12503, 12513, 12516, 12517, 12521, 12523, 12526, 12529, 12530, 12534, 12541, 12544, 12565 Columbia County is a county in the U.S. state of New York. It is located in the south-east of the New York state. The city of Hudson is the county’s seat. The county’s name goes from Christopher Columbus. More than 63,000 people live there. Columbia County was created in 1786 after the American Revolutionary War. The area of the county is 648 square miles (that is 1,640 km2), where 635 square miles is land and 14 square miles is water. People of different nationalities live there: Black and White Afro Americans, Native Americans, Asians, Pacific Islanders, Germans, Italians, Englishmen, Poles and others. 94% of residents speak English as their first and native language and 2,1% speak Spanish. The highest pick is Alander Mountain and has 2,110 feet (643 m) above sea level. This mountain is situated in the town of Copake. The Hudson River flows in the west of the county. There are many beautiful creeks. The Rossman Falls and Stuyvesant Falls are situated in the Kinderhook Creek. Such lakes as Copake Lake, Kinderhook Reservoir, Queechy Lake and Lake Taghkanic are fairy places to have a rest with a family. Hudson is one city in the county. There are several towns, villages and hamlets.