Best SEO and internet marketing services in Chautauqua County NY. Chautauqua County zip codes - 14048, 14062, 14063, 14135, 14136, 14166, 14701, 14702, 14710, 14712, 14716, 14718, 14720, 14722, 14723, 14724, 14728, 14732, 14733, 14736, 14740, 14742, 14750, 14752, 14756, 14757, 14758, 14767, 14769, 14775, 14781, 14782, 14784, 14785, 14787 Chautauqua County is the county in the U.S state of New York. It is the westernmost county in New York. The county was founded on February 9, 1811. Its seat is the village of Mayville. The largest city is Jamestown. Almost 135,000 people live there according to the census in 2010. The name of the county probably translates from Seneca Indian and means “bag tied in the middle”. The county’s area is 1,500 square miles (that’s 3,900 km2). 1,060 square miles go to land and 440 square miles go to water. It is located on the west of the New York State. There are two large lakes in the county: Chautauqua Lake and Lake Erie. Part of the Eastern Continental Divide flows through the county. There are mainly rolling hills and valleys in the county. The lowest point in the county is Lake Erie (571 feet). The highest point is Gurnsey Benchmark (2180 feet). There are two campuses of Jamestown Community College in the county. They are located in cities of Jamestown and Dunkirk. There are only two cities in Chautauqua County, mentioned above. There is also the State University of New York at Fredonia and Jamestown Business College in Jamestown.