Jefferson County Flag

Jefferson County

State:
New York
County Seat:

Jefferson County's estimated 2025 population is 113,439 with a growth rate of -0.59% in the past year according to the most recent United States census data. Jefferson County is the 25th largest county in New York. The 2010 population was 116,609 and has seen a growth of -2.72% since that time.

113,439
Total Population
89
Population Density (mi²)
25
Population Rank (State)
-674 -0.59%
Annual Population Growth

Jefferson County Population

Demographics

Economics and Income Statistics