Little Falls is a city in Herkimer County, New York, United States. The population was 4,946 at the 2010 census. The city is built on both sides of the Mohawk River, at a point at which rapids had impeded travel upriver. Transportation through the valley was improved by construction of the Erie Canal, completed in 1825 and connecting the Great Lakes with the Hudson River.
According to the United States Census Bureau, the city has a total area of 4.0 square miles (10.3 km), of which 3.8 square miles (9.8 km) are land and 0.15 square miles (0.4 km), or 3.79%, are water. Little Falls is mostly on the north bank of the Mohawk River near a waterfall which was smaller than another waterfall on the river in Cohoes, New York.
New York State Route 5, New York State Route 167, New York State Route 169, and New York State Route 170 converge on Little Falls. NY 170 has its southern terminus in the city, while NY 169 has its southern terminus south of the city, in the town of Danube.
As of the census of 2000, there were 5,188 people, 2,339 households, and 1,277 families residing in the city. The population density was 1,367.0 people per square mile (527.1/km²). There were 2,646 housing units at an average density of 697.2 per square mile (268.8/km²). The racial makeup of the city was 97.78% White, 0.29% Black or African American, 0.33% Native American, 0.58% Asian, 0.06% from other races, and 0.96% from two or more races. Hispanic or Latino of any race were 0.54% of the population.
There were 2,339 households out of which 25.0% had children under the age of 18 living with them, 37.4% were married couples living together, 12.5% had a female householder with no husband present, and 45.4% were non-families. 39.6% of all households were made up of individuals and 21.5% had someone living alone who was 65 years of age or older. The average household size was 2.15 and the average family size was 2.86.
In the city, the population was spread out with 21.8% under the age of 18, 7.6% from 18 to 24, 24.9% from 25 to 44, 21.7% from 45 to 64, and 24.1% who were 65 years of age or older. The median age was 42 years. For every 100 females, there were 84.4 males. For every 100 females age 18 and over, there were 81.4 males.
The median income for a household in the city was $23,965, and the median income for a family was $34,583. Males had a median income of $28,807 versus $21,040 for females. The per capita income for the city was $15,139. About 9.3% of families and 16.6% of the population were below the poverty line, including 16.9% of those under age 18 and 11.2% of those age 65 or over.