Jefferson County Flag

Jefferson County

State:
Indiana
County Seat:
Madison

Jefferson County's estimated 2026 population is 32,887 with a growth rate of -0.05% in the past year according to the most recent United States census data. Jefferson County is the 52nd largest county in Indiana. The 2010 population was 32,399 and has seen a growth of 1.51% since that time.

32,887
Total Population
91
Population Density (mi²)
52
Population Rank (State)
-17 -0.05%
Annual Population Growth

Jefferson County Population

Demographics

Economics and Income Statistics