Founded in 1852, Siskiyou County is one of 58 counties in the state of California. Historically, Siskiyou County was formed from Shasta and Klamath. The city of Yreka is the county seat. With FIPS code of 93, Siskiyou County has a population of 44,118 and area of 6,287 square miles (16,283 km2).
List of all cities in Siskiyou County, CA alphabetically
| City/Town | Postal Code | Area Code |
| Callahan, CA | 96014 | 530 |
| Dorris, CA | 96023 | 530 |
| Dunsmuir, CA | 96025 | 530 |
| Edgewood, CA | 96094 | 530 |
| Etna, CA | 96027 | 530 |
| Forks of Salmon, CA | 96031 | 530 |
| Fort Jones, CA | 96032 | 530 |
| Gazelle, CA | 96034 | 530 |
| Greenview, CA | 96037 | 530 |
| Grenada, CA | 96038 | 530 |
| Happy Camp, CA | 96039 | 530 |
| Hilt, CA | 96044 | 530 |
| Hornbrook, CA | 96044 | 530 |
| Horse Creek, CA | 96050 | 530 |
| Klamath River, CA | 96050 | 530 |
| Lava Beds National Monument, CA | 96134 | 530 |
| Macdoel, CA | 96058 | 530 |
| McCloud, CA | 96057 | 530 |
| Medicine Lake Lodge, CA | 96134 | 530 |
| Montague, CA | 96064 | 530 |
| Mount Shasta, CA | 96067 | 530 |
| Newell, CA | 96134 | 530 |
| Sawyers Bar, CA | 96027 | 530 |
| Scott Bar, CA | 96085 | 530 |
| Seiad Valley, CA | 96086 | 530 |
| Somes Bar, CA | 95568 | 530 |
| Tionesta, CA | 96134 | 530 |
| Tulelake, CA | 96134 | 530 |
| Weed, CA | 96094 | 530 |
| Yreka, CA | 96097 | 530 |
Map of Cities in Siskiyou County, CA
