Hamilton County Flag

Hamilton County

State:
New York
County Seat:
Lake Pleasant

Hamilton County's 2026 population is estimated at 5,106, reflecting a 0.24% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Hamilton County is the 62nd largest county in New York. The 2010 population was 4,852 and has grown 5.23% since 2010.

5,106
Total Population
3.0
Population Density (mi²)
62
Population Rank (State)
12 0.24%
Annual Population Growth

Hamilton County Population

Demographics

Economics and Income Statistics