The isolation index rises as the minority share of an urban area grows.

Evidence

Unlike the index of dissimilarity, this index is strongly influenced by the minority proportion within an urban area. Other things equal, the isolation index tends to rise as the relative size of the minority increases. — David Theo Goldberg, John Solomos, A Companion to Racial and Ethnic Studies, 2421

Categorization

• DEFINE: Clarifies the difference between the isolation index and index of dissimilarity.