
Jackson County
- State:
- Missouri
- County Seat:
- Kansas City and Independence
Jackson County's estimated 2025 population is 723,244 with a growth rate of 0.32% 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 7.17% since that time.