Lockport Flag

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 2026 population of 20,394. Lockport is currently declining at a rate of -0.31% annually and its population has decreased by -2.09% since the most recent census, which recorded a population of 20,829 in 2020.

20.4K
Total Population
2,428
Density (mi²)
-64 -0.31%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)