Lewis County Flag

Lewis County

State:
New York
County Seat:

Lewis County's estimated 2025 population is 26,454 with a growth rate of -0.18% in the past year according to the most recent United States census data. Lewis County is the 59th largest county in New York. The 2010 population was 27,072 and has seen a growth of -2.28% since that time.

26,454
Total Population
21
Population Density (mi²)
59
Population Rank (State)
-47 -0.18%
Annual Population Growth

Lewis County Population

Demographics

Economics and Income Statistics