Alexandria is a town in the Thousand Islands region of the U.S. state of New York, within Jefferson County. The town’s population was 4,061 at the 2010 United States Census. The town is named after Alexander LeRay, the son of an early developer. The village of Alexandria Bay is within the town.
According to the United States Census Bureau, the town has an area of 84.6 square miles (219.0 km), of which 72.7 square miles (188.2 km) are land and 11.9 square miles (30.8 km), or 14.07%, are water.
The St. Lawrence River and many of its Thousand Islands occupy the northern part of the town. The north town line is the international border with Canada and its province of Ontario. The east town line is the border with St. Lawrence County, New York.
Interstate 81 passes through the southwest corner of the town. New York State Route 12 follows the course of the St. Lawrence River. NY-12 intersects New York State Route 26 at Alexandria Bay and runs in a southwest direction.
As of the census of 2000, there were 4,097 people, 1,653 households, and 1,128 families residing in the town. The population density was 56.1 people per square mile (21.7/km²). There were 3,247 housing units at an average density of 44.5 per square mile (17.2/km²). The town’s racial makeup was 98.54% White, 0.29% African American, 0.22% Native American, 0.02% Asian, 0.05% Pacific Islander, 0.17% from other races, and 0.71% from two or more races. Hispanic or Latino of any race were 0.63% of the population.
There were 1,653 households, of which 30.2% had children under the age of 18 living with them, 54.6% were married couples living together, 9.1% had a female householder with no husband present, and 31.7% were non-families. 26.9% of all households were made up of individuals and 11.4% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.95.
24.6% of the town’s population was under the age of 18, 5.4% was from age 18 to 24, 27.9% was from age 25 to 44, 25.6% was from age 45 to 64, and 16.5% were 65 years of age or older. The median age was 40 years. For every 100 females, there were 96.4 males. For every 100 females age 18 and over, there were 94.5 males.
The town’s median household income was $33,333, and the median family income was $42,813. Males had a median income of $30,870 versus $21,050 for females. The town’s per capita income was $16,879. About 11.3% of families and 13.6% of the population were below the poverty line, including 17.2% of those under age 18 and 12.2% of those age 65 or over.