Jackson County Flag

Jackson County

State:
Missouri
County Seat:
Kansas City

Jackson County's estimated 2026 population is 741,520 with a growth rate of 0.96% in the past year according to the most recent United States census data. Jackson County is the 2nd largest county in Missouri. The 2010 population was 674,854 and has seen a growth of 9.88% since that time.

741,520
Total Population
1,226
Population Density (mi²)
2
Population Rank (State)
7.1K 0.96%
Annual Population Growth

Jackson County Population

Demographics

Economics and Income Statistics