Best SEO and internet marketing services in Livingston County NY. Livingston County zip codes - 14435, 14454, 14462, 14480, 14488, 14510, 14517, 14539, 14545, 14556, 14558, 14592 Livingston County is a county in the U.S. state of New York. It is located in the western part of New York. More than 65,000 people live there according to the census in 2010. The village of Geneseo is the county’s seat. Livingston County is named in an honour of Robert R. Livingston, who was one of the committee members who projected the Declaration of Independence. The county was founded in 1821. The State University of New York, College of Geneseo is located in Livingston County. The county has an area of 640 square miles (that is 1,700 km2), where 632 square miles go to land and 8,5 square miles go to water. The county is situated in the famous Finger Lakes region. Letchworth State Park is located on the west of the county. The Genesee River is on the north. There are no cities in the county. Such notable person as Cassius McDonald Barners was born there in the county. He was an American Civil War soldier. In Livingston county live 94% White people, 3% African Americans, and not even 1% of Native Americans, Asians, Pacific Islanders, and others. Almost 96% of residents speak English as their native language, but 2% speak Spanish.