
Kellogg
- County:
- Shoshone County
- County Seat:
- No
- Area (mi²):
- 3.974
- State:
- Idaho
Kellogg is a city located in Shoshone County, Idaho. Kellogg has a 2025 population of 2,536. Kellogg is currently growing at a rate of 1.72% annually and its population has increased by 9.31% since the most recent census, which recorded a population of 2,320 in 2020.
The average household income in Kellogg is $59,062 with a poverty rate of 20.73%. The median age in Kellogg is 35.5 years: 35.9 years for males, and 34.7 years for females.