Connecticut Counties by Diversity Index

The diversity index measures the probability that two randomly selected people are from different racial or ethnic groups. Higher = more diverse.

All 9 counties ranked by Diversity Index, from highest to lowest. Click the column header to reverse sort order. Data from the U.S. Census Bureau, ACS 5-Year Estimates, 2023.

States Counties Cities Metros ZIPs

#	Counties	Diversity Index ↓
1	Greater Bridgeport Planning Region, Connecticut	—
2	South Central Connecticut Planning Region, Connecticut	—
3	Western Connecticut Planning Region, Connecticut	—
4	Capitol Planning Region, Connecticut	—
5	Naugatuck Valley Planning Region, Connecticut	—
6	Southeastern Connecticut Planning Region, Connecticut	—
7	Lower Connecticut River Valley Planning Region, Connecticut	—
8	Northwest Hills Planning Region, Connecticut	—
9	Northeastern Connecticut Planning Region, Connecticut	—