3 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| St. Maries | 1 | 2,548 | 2,365 | 1.23% | 2,147 | 1 | City |
| Plummer | 2 | 1,179 | 1,016 | 2.34% | 934 | 1 | City |
| Tensed | 3 | 101 | 85 | 3.06% | 540 | 0 | City |
St. Maries is the largest city in Benewah County, with a population of 2,548.
Tensed is the smallest city in Benewah County, with a population of 101.
There are 3 cities in Benewah County, Idaho.