Anguilla, Antigua and Barbuda, Aruba, Bahamas, Barbados, Belize, Bermuda, Canada (B) (P), Cayman Islands, Colombia, Costa Rica, Cuba, Dominica, Dominican Republic, Ecuador, El Salvador, Guadeloupe, Guatemala, Haiti, Honduras, Martinique, Mexico, Montserrat, Netherlands Antilles, Nicaragua, Panama, Puerto Rico, St Kitts and Nevis, St Lucia, St Vincent and The Grenadines, Trinidad and Tobago, Turks and Caicos Islands, USA (B), Venezuela, Virgin Islands (British) (NB), Virgin Islands (U.S.) (NB).
Vagrant to Greenland, Jamaica, St Pierre and Miquelon (P), United Kingdom.
Breeds in southern Canada (from Saskatchewan east to Nova Scotia), south through Great Lakes region to north-eastern USA (Minnesota east to New England) and south in Appalachians to northern Georgia and northern Alabama. Migrates to non-breeding grounds mainly from south-eastern Mexico south to Panama. A few winter in Caribbean.
 
Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.
Population
Estimated population is 9,400,000 (2010).
Chestnut-sided Warbler (Setophaga pensylvanica) [XC321693]
by Martin St-Michel from Godmanchester, Le Haut-Saint-Laurent, Qu\u00e9bec, Canada (song)
Chestnut-sided Warbler (Setophaga pensylvanica) [XC827847]
by Manuel Oudard from Tawas Point State Park (near East Tawas), Iosco County, Michigan, United States (song)
Subspecies
No subspecies.
Relationship with other members of genus uncertain.