Jamestown is a city located in southern Chautauqua County in the state of New York, United States. It serves as the largest city within its county and was recorded with a population of 28,712 during the 2020 census.
The city is geographically positioned between Lake Erie to the north and the Allegheny National Forest to the south. Nearby Chautauqua Lake provides a local freshwater resource utilized by boaters, fishermen, and naturalists.