
Croghan
- County:
- Lewis County
- County Seat:
- No
- Area (mi²):
- 0.427
- State:
- New York
Croghan is a village located in Lewis County, New York. Croghan has a 2025 population of 636. Croghan is currently declining at a rate of -0.16% annually and its population has decreased by -0.62% since the most recent census, which recorded a population of 640 in 2020.
The average household income in Croghan is $61,322 with a poverty rate of 17.45%. The median age in Croghan is 39.1 years: 40.1 years for males, and 36.9 years for females.