Crosby
- County:
- Amite County
- County Seat:
- No
- Area (mi²):
- 2.119
- State:
- Mississippi
Crosby is a town located in Amite County, Mississippi. Crosby has a 2026 population of 220. Crosby is currently declining at a rate of -2.65% annually and its population has decreased by -8.33% since the most recent census, which recorded a population of 240 in 2020.