4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hollister | 1 | 45,820 | 41,883 | 1.75% | 5,755 | 8 | City |
| Ridgemark | 2 | 3,024 | 2,572 | 0.03% | 1,177 | 3 | CDP |
| San Juan Bautista | 3 | 2,124 | 2,091 | 0.28% | 2,706 | 1 | City |
| Tres Pinos | 4 | 1,139 | 921 | 4.11% | 316 | 4 | CDP |
Hollister is the largest city in San Benito County, with a population of 45,820.
Tres Pinos is the smallest city in San Benito County, with a population of 1,139.
There are 4 cities in San Benito County, California.