Lyons Falls is located in southern Lewis County at . According to the United States Census Bureau, the village has a total area of, of which are land and, or 9.03%, are water. The village is situated at a waterfall on the Black River, which flows northward through the village and is joined from the east just above the falls by the Moose River. Most of the village is in the town of West Turin, on the west side of the Black River, while a less densely developed part of the village, including Riverside Park, is in the town of Lyonsdale on the east side of the river. New York State Route 12 passes through the west side of the village, leading north to Lowville and south to Boonville. Route 12D crosses Route 12 on an overpass, with connection via Cherry Street. 12D leads south to Boonville as well, following a more westerly route.
Demographics
As of the census of 2000, there were 591 people, 238 households, and 157 families residing in the village. The population density was 602.1 people per square mile. There were 294 housing units at an average density of 299.5 per square mile. The racial makeup of the village was 98.82% White, 0.68% from other races, and 0.51% from two or more races. Hispanic or Latino of any race were 0.17% of the population. There were 238 households, out of which 26.9% had children under the age of 18 living with them, 48.7% were married couplesliving together, 11.8% had a female householder with no husband present, and 34.0% were non-families. 27.7% of all households were made up of individuals, and 16.8% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 3.01. In the village, the population was spread out, with 23.7% under the age of 18, 9.3% from 18 to 24, 23.5% from 25 to 44, 26.7% from 45 to 64, and 16.8% who were 65 years of age or older. The median age was 40 years. For every 100 females, there were 110.3 males. For every 100 females age 18 and over, there were 100.4 males. The median income for a household in the village was $27,375, and the median income for a family was $41,250. Males had a median income of $35,000 versus $21,071 for females. The per capita income for the village was $17,204. About 12.9% of families and 16.7% of the population were below the poverty line, including 16.2% of those under age 18 and 15.3% of those age 65 or over.
