Cosby
- County:
- Andrew County
- County Seat:
- No
- Area (mi²):
- 0.094
- State:
- Missouri
Cosby is a village located in Andrew County, Missouri. Cosby has a 2026 population of 112. Cosby is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 112 in 2020.
The median household income in Cosby is $57,917 with a poverty rate of 3.08%. The median age in Cosby is 27.7 years: 32.5 years for males, and 21.3 years for females. For every 100 females there are 75.7 males.