Other industrial cities, with major Polish communities, include: Buffalo, New York; Boston; Baltimore; New Britain, Connecticut; Portland, Oregon; Minneapolis; Philadelphia; Columbus, Ohio; Erie, Pennsylvania; Rochester, New York; Syracuse, New York; Los Angeles; San Francisco; Pittsburgh; central Massachusetts/western Massachusetts; and Duluth, Minnesota.
According to the 2000 United States Census, the U.S. states with the largest numbers of self-reported Poles and Americans of Polish ancestry are:.