Carthage is a village located in the town of Wilna in Jefferson County, New York, United States. The population was 3,747 at the 2010 census. The village is named after the historic city of Carthage in Tunisia.
Carthage is located in eastern Jefferson County at 43°58′52″N 75°36′25″W / 43.98111°N 75.60694°W / 43.98111; -75.60694 (43.981118, -75.606849). Its southwestern border is the Black River, which is in part the border with the town of Champion and the village of West Carthage in Jefferson County, and in part the border with the town of Denmark in Lewis County. The village is 2 miles (3 km) south of the southern border of Fort Drum.
According to the United States Census Bureau, the village has a total area of 2.7 square miles (6.9 km), of which 2.5 square miles (6.5 km) are land and 0.2 square miles (0.4 km), or 6.35%, are water.
The village is located at the junction of New York State Routes 3 and 126. NY-3 leads west 18 miles (29 km) to Watertown, following the Black River, and northeast 20 miles (32 km) to Harrisville. NY-126 leads west by a more direct route 16 miles (26 km) to Watertown and southeast 14 miles (23 km) to Croghan.
At the 2000 census, there were 3,721 people, 1,417 households and 956 families residing in the village. The population density was 1,480.4 per square mile (572.4/km²). There were 1,626 housing units at an average density of 646.9 per square mile (250.1/km²). The racial makeup of the village was 91.32% White, 4.27% African American, 0.21% Native American, 1.05% Asian, 0.05% Pacific Islander, 1.10% from other races, and 1.99% from two or more races. Hispanic or Latino of any race were 2.69% of the population.
There were 1,417 households of which 36.0% had children under the age of 18 living with them, 49.1% were married couples living together, 14.9% had a female householder with no husband present, and 32.5% were non-families. 27.2% of all households were made up of individuals and 12.6% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 3.08.
Age distribution was 28.3% under the age of 18, 9.0% from 18 to 24, 28.6% from 25 to 44, 19.6% from 45 to 64, and 14.5% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 91.1 males. For every 100 females age 18 and over, there were 84.9 males.
The median household income was $23,583, and the median family income was $32,083. Males had a median income of $31,397 versus $18,713 for females. The per capita income for the village was $13,029. About 18.6% of families and 23.5% of the population were below the poverty line, including 33.9% of those under age 18 and 14.4% of those age 65 or over.
Carthage New York neighborhoods include: Bear Town, Boot Jack Hill, Carthage, Jackson II Road