During the breeding season 82% of the population can be found in Canada and 18% in the United States. In Canada the summer range extends from southeastern Yukon to Nova Scotia. In the United States the range extends from northern Minnesota to northern Pennsylvania, east to Long Island, New York. It also nests in the high Appalachians as far south as Georgia. In winter the Canada warbler's range extends from Guyana to northwestern Bolivia around the northern and western side of the Andean crest.