Contents: City
The population development of Lockport.
| Name | County | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | |
|---|---|---|---|---|---|
| Lockport | Niagara | 24,420 | 22,408 | 21,165 | → |
Source: US Census Bureau (web).
2000 and 2010 population of incorporated places in the boundaries of 2010.