Niagara County Flag

Niagara County

State:
New York
County Seat:

Niagara County's estimated 2025 population is 207,437 with a growth rate of -0.48% in the past year according to the most recent United States census data. Niagara County is the 18th largest county in New York. The 2010 population was 216,474 and has seen a growth of -4.17% since that time.

207,437
Total Population
397
Population Density (mi²)
18
Population Rank (State)
-1.0K -0.48%
Annual Population Growth

Niagara County Population

Demographics

Economics and Income Statistics