| Official Name: | Callahan, California |
| Pushpin Map: | California#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | California |
| Subdivision Type2: | County |
| Subdivision Name2: | Siskiyou |
| Timezone: | Pacific (PST) |
| Utc Offset: | -8 |
| Timezone Dst: | PDT |
| Utc Offset Dst: | -7 |
| Elevation Ft: | 3140 |
| Coordinates: | 41.3097°N -122.8014°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 96014 |
| Area Code: | 530 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 257834 |
Callahan is an unincorporated community in Siskiyou County, California, United States. Callahan is located on California State Route 3 11.5miles south-southeast of Etna. Callahan has a post office with ZIP code 96014. As of 2009 it has a population of 50~.[1]
The post office opened as Callahan's Ranch in 1858 and changed its name to Callahan in 1892. The community was named after M.B. Callahan, who opened a travelers' stop in the community in 1851.[2] During the Civil War the local butcher shop raised a Palmetto flag to show support for the rebels but it was soon hauled down with 2 townspeople heckling the owner about it.[3]
This region experiences warm (but not hot) and dry summers, with no average monthly temperatures above 71.6 °F. According to the Köppen Climate Classification system, Callahan has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps.[4]
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