Breeds western North America from south-eastern Alaska, south-western Yukon, British Columbia and south-western Alberta southern in USA to Oregon. Non-breeding south to Arizona and southern California.
 
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.
Pacific Wren (Troglodytes pacificus) [XC419952]
by Meena Haribal from Big Basin Redwoods, State Park (near Boulder Creek), California, United States (call, smacks and paired smacks)
Pacific Wren (Troglodytes pacificus) [XC602843]
by from Putah Creek, Yolo County, California, United States (call)
Subspecies
Considered by some authors to be a subspecies of Northern Wren (Troglodytes troglodytes).
The following 14 subspecies are recognised:
alascensis Baird, SF, 1869 - Pribilof Is (St George, St Paul, Otter).
meligerus (Oberholser, 1900) - Western Aleutian Is (Attu, Buldir).
kiskensis (Oberholser, 1919) - Western Aleutians (Kiska, Little Kiska, Amchitka, Oglinga).
petrophilus (Oberholser, 1919) - Unalaska, in eastern Aleutians.
stevensoni (Oberholser, 1930) - Western Alaska Peninsula, including Amak I and Amagat I.
ochroleucus Rea, 1986 - Islands of Baranoff, Admiralty, Chichagof, Mitkof and Kupreanof, off southern Alaska Peninsula.
semidiensis (Brooks, WS, 1915) - Semidi Is, off southern Alaska Peninsula.
helleri (Osgood, 1901) - Kodiak I and Afognak I, off southern Alaska.
pacificus (Baird, 1864) - Breeds western North America from south-eastern Alaska, south-western Yukon, British Columbia and south-western Alberta southern in USA to Oregon. Non-breeding south to Arizona and southern California.
muiri Rea, 1986 - Coastal western USA from south-western Oregon south to central California.
obscurior Rea, 1986 - Interior western USA from Oregon (southern from Cascades) south to east-central California (also on central coast southern from San Francisco Bay) and Nevada.
salebrosus Burleigh, 1959 - Interior British Columbia to north-eastern Oregon and western Montana.