
West Carthage
- County:
- Jefferson County
- County Seat:
- No
- Area (mi²):
- 1.308
- State:
- New York
West Carthage is a village located in Jefferson County, New York. West Carthage has a 2025 population of 1,745. West Carthage is currently declining at a rate of -0.23% annually and its population has decreased by -1.25% since the most recent census, which recorded a population of 1,767 in 2020.
The average household income in West Carthage is $88,925 with a poverty rate of 11.17%. The median age in West Carthage is 33.4 years: 31.9 years for males, and 34.4 years for females.