Iuka
- County:
- Tishomingo County
- County Seat:
- Yes
- Area (mi²):
- 9.694
- State:
- Mississippi
Iuka is a city located in Tishomingo County, Mississippi. Iuka has a 2026 population of 3,075. It is also the county seat of Tishomingo County. Iuka is currently declining at a rate of -0.26% annually and its population has decreased by -2.26% since the most recent census, which recorded a population of 3,146 in 2020.