15 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Fresno | 1 | 551,952 | 542,714 | 0.34% | 4,766 | 116 | City |
| Clovis | 2 | 129,795 | 120,785 | 1.41% | 4,943 | 26 | City |
| Sanger | 3 | 26,611 | 26,799 | -0.14% | 4,165 | 6 | City |
| Reedley | 4 | 26,362 | 25,239 | 0.86% | 4,732 | 6 | City |
| Selma | 5 | 24,439 | 24,769 | -0.27% | 4,114 | 6 | City |
| Kerman | 6 | 17,860 | 16,043 | 2.07% | 5,319 | 3 | City |
| Coalinga | 7 | 16,482 | 17,680 | -1.44% | 2,407 | 7 | City |
| Parlier | 8 | 14,392 | 14,577 | -0.26% | 5,754 | 3 | City |
| Kingsburg | 9 | 13,303 | 12,427 | 1.33% | 3,572 | 4 | City |
| Mendota | 10 | 12,631 | 12,591 | 0.06% | 3,723 | 3 | City |
| Orange Cove | 11 | 9,699 | 9,744 | -0.09% | 5,412 | 2 | City |
| Firebaugh | 12 | 8,495 | 8,137 | 0.84% | 2,283 | 4 | City |
| Fowler | 13 | 7,650 | 6,750 | 2.41% | 2,861 | 3 | City |
| Huron | 14 | 6,818 | 6,411 | 1.2% | 4,105 | 2 | City |
| San Joaquin | 15 | 3,661 | 3,748 | -0.49% | 3,058 | 1 | City |
Fresno is the largest city in Fresno County, with a population of 551,952.
San Joaquin is the smallest city in Fresno County, with a population of 3,661.
There are 15 cities in Fresno County, California.