Ider
- County:
- DeKalb County
- County Seat:
- No
- Area (mi²):
- 5.429
- State:
- Alabama
Ider is a town located in DeKalb County, Alabama. Ider has a 2026 population of 738. Ider is currently growing at a rate of 0.27% annually and its population has increased by 1.37% since the most recent census, which recorded a population of 728 in 2020.