| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Fresno | 1 | 558,649 | 542,675 | 0.56% | 4,824 | 116 | City |
| Clovis | 2 | 131,374 | 120,775 | 1.57% | 5,004 | 26 | City |
| Reedley | 3 | 27,306 | 25,211 | 1.2% | 4,901 | 6 | City |
| Sanger | 4 | 27,289 | 26,800 | 0.22% | 4,271 | 6 | City |
| Selma | 5 | 24,706 | 24,767 | 0.02% | 4,159 | 6 | City |
| Kerman | 6 | 17,934 | 16,031 | 2.17% | 5,341 | 3 | City |
| Coalinga | 7 | 17,079 | 17,700 | -1.17% | 2,494 | 7 | City |
| Parlier | 8 | 14,633 | 14,573 | 0.08% | 5,851 | 3 | City |
| Kingsburg | 9 | 13,451 | 12,424 | 1.52% | 3,612 | 4 | City |
| Mendota | 10 | 12,821 | 12,588 | 0.34% | 3,779 | 3 | City |
| Orange Cove | 11 | 9,826 | 9,743 | 0.15% | 5,483 | 2 | City |
| Firebaugh | 12 | 8,899 | 8,137 | 1.42% | 2,392 | 4 | City |
| Fowler | 13 | 7,944 | 6,771 | 2.57% | 2,971 | 3 | City |
| Huron | 14 | 7,525 | 6,416 | 1.77% | 4,530 | 2 | City |
| San Joaquin | 15 | 3,679 | 3,749 | -0.24% | 3,074 | 1 | City |
Fresno is the largest city in Fresno County, with a population of 558,649.
San Joaquin is the smallest city in Fresno County, with a population of 3,679.
There are 15 cities in Fresno County, California.