7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sacramento | 1 | 538,352 | 525,579 | 0.48% | 5,457 | 99 | City |
| Elk Grove | 2 | 184,351 | 176,579 | 0.85% | 4,327 | 43 | City |
| Folsom | 3 | 89,898 | 80,863 | 2.05% | 3,224 | 28 | City |
| Citrus Heights | 4 | 86,749 | 87,548 | -0.18% | 6,102 | 14 | City |
| Rancho Cordova | 5 | 85,233 | 79,631 | 1.33% | 2,466 | 35 | City |
| Galt | 6 | 26,821 | 25,659 | 0.87% | 3,427 | 8 | City |
| Isleton | 7 | 777 | 795 | -0.51% | 1,766 | 0 | City |
Sacramento is the largest city in Sacramento County, with a population of 538,352.
Isleton is the smallest city in Sacramento County, with a population of 777.
There are 7 cities in Sacramento County, California.