Putnam County Flag

Putnam County

State:
Missouri
County Seat:
Unionville

Putnam County's estimated 2025 population is 4,590 with a growth rate of -0.52% in the past year according to the most recent United States census data. Putnam County is the 110th largest county in Missouri. The 2010 population was 4,974 and has seen a growth of -7.72% since that time.

4,590
Total Population
9
Population Density (mi²)
110
Population Rank (State)
-24 -0.52%
Annual Population Growth

Putnam County Population

Demographics

Economics and Income Statistics