Jackson County Flag

Jackson County

State:
Missouri
County Seat:
Kansas City

Jackson County's 2026 population is estimated at 741,520, reflecting a 0.96% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Jackson County is the 2nd largest county in Missouri. The 2010 population was 674,854 and has grown 9.88% since 2010.

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