List of counties in Massachusetts by Human Development Index

This is a list of Massachusetts counties by Human development index (HDI) for the year 2024. Nantucket County ranks highest with an HDI of 1.007, driven by the highest life expectancy, the highest per capita income, and one of the highest education indices in the state. Closely following are Norfolk and Middlesex counties, each with an HDI exceeding 0.990. At the lower end, Hampden, Bristol, and Berkshire counties have the lowest human development indices, all falling below 0.950. The overall HDI for Massachusetts stands at 0.956, the highest among all states in the United States.^[1][2][3]

Massachusetts Counties by HDI 2024

List

Massachusetts Counties by Human Development Index

Rank	County	HDI
Very High Human Development
1	Nantucket	1.007
2	Norfolk	0.996
3	Middlesex	0.994
4	Dukes	0.977
5	Barnstable	0.968
6	Suffolk	0.967
7	Hampshire	0.966
8	Essex	0.966
9	Plymouth	0.962
Massachusetts		0.956
11	Franklin	0.955
12	Worcester	0.955
13	Berkshire	0.945
14	Bristol	0.941
15	Hampden	0.931