| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Ione | 1 | 9,402 | 8,911 | 1.29% | 2,053 | 5 | City |
| Jackson | 2 | 5,121 | 4,990 | 0.41% | 1,429 | 4 | City |
| Sutter Creek | 3 | 2,714 | 2,656 | 0.48% | 1,006 | 3 | City |
| Plymouth | 4 | 1,190 | 1,078 | 1.36% | 449 | 3 | City |
| Amador City | 5 | 206 | 195 | 0.98% | 665 | 0 | City |
Ione is the largest city in Amador County, with a population of 9,402.
Amador City is the smallest city in Amador County, with a population of 206.
There are 5 cities in Amador County, California.