Little Falls is a city in Herkimer County, New York, USA. The population was 5,188 at the 2000 census. The name is derived from a small cataract near the city. The City of Little Falls is located at the southeastern corner of the Town of Little Falls and is east of Utica. Little Falls has a picturesque location on the slope of a narrow and rocky defile, flowing through which the river falls 45 feet (13 m) in less than a mile (1.6 km), forming a number of cascades.