Lone Jack
- County:
- Jackson County
- County Seat:
- No
- Area (mi²):
- 5.924
- State:
- Missouri
Lone Jack is a city located in Jackson County, Missouri. Lone Jack has a 2026 population of 1,820. Lone Jack is currently growing at a rate of 4.42% annually and its population has increased by 18.8% since the most recent census, which recorded a population of 1,532 in 2020.