3 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| St. Maries | 1 | 2,517 | 2,365 | 1.21% | 2,120 | 1 | City |
| Plummer | 2 | 1,152 | 1,016 | 2.4% | 913 | 1 | City |
| Tensed | 3 | 98 | 85 | 2.08% | 524 | 0 | City |
St. Maries is the largest city in Benewah County, with a population of 2,517.
Tensed is the smallest city in Benewah County, with a population of 98.
There are 3 cities in Benewah County, Idaho.