Grundy County Flag

Grundy County

State:
Missouri
County Seat:
Trenton

Grundy County's estimated 2026 population is 9,684 with a growth rate of -0.42% in the past year according to the most recent United States census data. Grundy County is the 88th largest county in Missouri. The 2010 population was 10,254 and has seen a growth of -5.56% since that time.

9,684
Total Population
22
Population Density (mi²)
88
Population Rank (State)
-41 -0.42%
Annual Population Growth

Grundy County Population

Demographics

Economics and Income Statistics