| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Pomeroy | 1 | 1,497 | 1,403 | 1.08% | 843 | 2 | City |
Pomeroy is the largest city in Garfield County, with a population of 1,497.
Pomeroy is the smallest city in Garfield County, with a population of 1,497.
There is 1 city in Garfield County, Washington.