Global Range: During ocean feeding and maturation, pink salmon range throughout the North Pacific Ocean and Bering Sea north of about 40 degrees north latitude. Populations originating from different coastal regions of the North Pacific occupy distinct ocean nursery areas. The range shifts southward for winter, northward in warmer months (Heard 1991).
Spawning occurs in most tributary rivers of northeastern Asia (Korea to Siberia) and in North America from California and Oregon (rare in these states) north to the Aleutian Islands and Mackenzie River delta, Arctic and Pacific drainages. Arctic populations do not appear to be self-sustaining but may be expanding and so warrant monitoring. The species has been introduced in the Great Lakes, Newfoundland, and several European areas.
In the southern part of the range, the most significant runs are in streams tributary to Puget Sound. This salmon has been recorded from various streams in northern California, but spawning in California has been rarely observed and only in the lower Russian River. Many recent sightings of adults in California may be represent strays from rivers to the north (Nehlsen et al. 1991).