Dutch Americans Nederlandse Amerikanen Total population 4,533,617[1] 1.43% of the U.S. population (2013) Regions with significant populations West Coast, Northeast, New York, New Jersey, Midwest especially in Iowa, Michigan Languages English, Dutch Religion 64% Protestant; 10% Roman Catholic, 15% other[2] Related ethnic groups Dutch people, Dutch Brazilians, Dutch Canadians, Dutch Surinamese, Afrikaner, German Americans, Austrian Americans, Pennsylvania Dutch, Swiss Americans, Belgian Americans