Racism-county-residential segregation-index of dissimilarity

Residential segregation measures the physical separation of population groups into different areas (i.e., neighborhoods) in a geographic unit (i.e., a county or city). We report the index of dissmilarity(D) for United States counties in our data file. The index of dissimilarity is a measure of evenness and measures the proportion of a group's population that must move so that each sub-county geographic unit in a county has the same proportion of that group as the county. We use census tracts as our sub-county geographic unit because census tracts nest within counties. D is typically calculated using two population groups. We have computed the index of dissimilarity for the following groups: (1) White alone, not Hispanic or Latino : Black alone, (2) White alone, not Hispanic or Latino : Asian alone, (3) White alone, not Hispanic or Latino : Hispanic or Latino.