| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Zephyrhills | 1 | 23,655 | 17,331 | 5.38% | 2,406 | 10 | City |
| New Port Richey | 2 | 18,620 | 16,787 | 1.75% | 4,065 | 5 | City |
| Dade City | 3 | 10,767 | 7,230 | 5.84% | 1,419 | 8 | City |
| Port Richey | 4 | 3,788 | 3,085 | 3.64% | 1,706 | 2 | City |
| St. Leo | 5 | 2,468 | 2,466 | 0% | 2,023 | 1 | Town |
| San Antonio | 6 | 1,670 | 1,301 | 4.18% | 1,202 | 1 | City |
Zephyrhills is the largest city in Pasco County, with a population of 23,655.
San Antonio is the smallest city in Pasco County, with a population of 1,670.
There are 6 cities in Pasco County, Florida.