Clay County Flag

Clay County

State:
Missouri
County Seat:
Liberty

Clay County's estimated 2025 population is 265,456 with a growth rate of 1.08% in the past year according to the most recent United States census data. Clay County is the 6th largest county in Missouri. The 2010 population was 222,649 and has seen a growth of 19.23% since that time.

265,456
Total Population
667
Population Density (mi²)
6
Population Rank (State)
2.8K 1.08%
Annual Population Growth

Clay County Population

Demographics

Economics and Income Statistics