All people were categorized into six mutually exclusive racial and Hispanic origin groups: 'White only', 'Black only', 'American Indian and Alaskan Native only', 'Asian and Pacific Islander only', 'Two or More Races', and 'Hispanic'.įor the most recent 2010 census data, the race/ethnic origin breakdown for Grosvenor was: The below race categories are the modified race categories used in the Census Bureau's population estimates program. We also have some data on the ancestry of people with the surname Grosvenor. Race and Ethnic Origin of People with the Last Name Grosvenor
