
Plummer
- County:
- Benewah County
- County Seat:
- No
- Area (mi²):
- 1.262
- State:
- Idaho
Plummer is a city located in Benewah County, Idaho. Plummer has a 2025 population of 1,176. Plummer is currently growing at a rate of 2.8% annually and its population has increased by 15.52% since the most recent census, which recorded a population of 1,018 in 2020.
The average household income in Plummer is $67,663 with a poverty rate of 13.69%. The median age in Plummer is 31.9 years: 36.5 years for males, and 29.6 years for females.