Bahamas, Belize, Canada (B), Colombia, Costa Rica, Cuba, Ecuador, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama, Turks and Caicos Islands, USA (B), Venezuela.
Vagrant to Cayman Islands.
Breeds mainly eastern North America from south-eastern South Dakota and Great Lakes region east to southern Ontario and central New England, south to central Texas, Gulf Coast states, and central Florida. Winters from Caribbean slope of Nicaragua southern and eastern along both slopes to Colombia, north-western Venezuela and western Ecuador.
 
Population
Estimated population is 4,700,000 (2010).
Acadian Flycatcher (Empidonax virescens) [XC372010]
by Daniel de Jesus Garcia from Overland Park Arboretum & Botanical Gardens, Johnson County, Kansas, United States (song)
Acadian Flycatcher (Empidonax virescens) [XC594106]
by Juan Pablo Arboleda from Skidaway Island, Chatham County, GA USA, United States (call)