
Lanagan
- County:
- McDonald County
- County Seat:
- No
- Area (mi²):
- 0.94
- State:
- Missouri
Lanagan is a town located in McDonald County, Missouri. Lanagan has a 2025 population of 389. Lanagan is currently growing at a rate of 0.78% annually and its population has increased by 4.01% since the most recent census, which recorded a population of 374 in 2020.
The average household income in Lanagan is $48,569 with a poverty rate of 19.29%. The median age in Lanagan is 34.3 years: 34.3 years for males, and 35 years for females.