8 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Grants Pass | 1 | 39,075 | 39,259 | -0.1% | 3,392 | 11.52 | City |
| Cave Junction | 2 | 2,040 | 2,069 | -0.29% | 1,128 | 1.81 | City |
| Merlin | 3 | 1,864 | 1,792 | 0.92% | 448 | 4.16 | CDP |
| Williams | 4 | 1,198 | 1,379 | 0.67% | 106 | 11.32 | CDP |
| Selma | 5 | 941 | 913 | 1.73% | 146 | 6.46 | CDP |
| Takilma | 6 | 697 | 465 | 3.11% | 117 | 5.94 | CDP |
| O'Brien | 7 | 648 | 639 | 1.57% | 124 | 5.22 | CDP |
| Kerby | 8 | 253 | 282 | -8% | 98 | 2.58 | CDP |
Grants Pass is the largest city in Josephine County, with a population of 39,075.
Kerby is the smallest city in Josephine County.
There are 8 cities in Josephine County, Oregon.