Hillsdale County Flag

Hillsdale County

State:
Michigan
County Seat:
Hillsdale

Hillsdale County's estimated 2026 population is 45,538 with a growth rate of -0.06% in the past year according to the most recent United States census data. Hillsdale County is the 38th largest county in Michigan. The 2010 population was 46,646 and has seen a growth of -2.38% since that time.

45,538
Total Population
76
Population Density (mi²)
38
Population Rank (State)
-26 -0.06%
Annual Population Growth

Hillsdale County Population

Demographics

Economics and Income Statistics