2017 Most Diverse Counties Methodology

The 2017 Most Diverse Counties ranking provides a comprehensive assessment of the overall diversity of an area at the county level. This grade takes into account key indicators of a location’s demographic composition, including the levels of variance in race, age, and income levels among residents, in an attempt to measure an area’s extent of diversity. Learn where our data comes from.

Factors Considered

Factor Description Source Weight
Resident Racial Diversity Index A high value indicates a high degree of racial diversity. U.S. Census 60.0%
Resident Income Diversity Index A high value indicates a high degree of income diversity. U.S. Census 25.0%
Resident Age Diversity Index A high value indicates a high degree of age diversity. U.S. Census 15.0%

This ranking assesses 2,631 counties in the U.S. The same methodology is used to produce the Diversity Grade for each ranked county as well as additional places. Statistics are primarily obtained from the U.S. Census and represent the most recent data available.

For more details about how we calculate our rankings, click here.