
Lockport
- County:
- Niagara County
- County Seat:
- No
- Area (mi²):
- 8.4
- State:
- New York
Lockport is a city located in Niagara County, New York. Lockport has a 2025 population of 20,176. Lockport is currently declining at a rate of -0.64% annually and its population has decreased by -3.12% since the most recent census, which recorded a population of 20,825 in 2020.
The average household income in Lockport is $76,173 with a poverty rate of 15.95%. The median age in Lockport is 36.5 years: 37.3 years for males, and 35.9 years for females.