Data / Rankings / Gini index / Counties in Massachusetts

Counties in Massachusetts by gini index, 2024

Dukes County had the highest gini index of 14 counties in 2024, at 55.4 index. Franklin County had the lowest, at 43.6 index. The median was 47.3 index and the figure for Massachusetts was 48.9 index. Source: the U.S. Census Bureau.

Highest55.4Dukes County
Lowest43.6Franklin County
Median47.314 counties
Massachusetts48.9History

All counties, 2024

CSVChart (SVG)

Dukes CountyDukes County: 55.4 index55.4Suffolk CountySuffolk County: 52.5 index52.5Berkshire CountyBerkshire County: 49.4 index49.4Norfolk CountyNorfolk County: 48.4 index48.4Essex CountyEssex County: 48.2 index48.2Barnstable CountyBarnstable County: 47.9 index47.9Middlesex CountyMiddlesex County: 47.5 index47.5Nantucket CountyNantucket County: 47.2 index47.2Hampshire CountyHampshire County: 47.1 index47.1Hampden CountyHampden County: 47 index47Plymouth CountyPlymouth County: 46.3 index46.3Bristol CountyBristol County: 45.8 index45.8Worcester CountyWorcester County: 45.3 index45.3Franklin CountyFranklin County: 43.6 index43.6
index. Source: U.S. Census Bureau. Retrieved 2026-10-10.

Full ranking

RankCounties2024
index		Change on 2023
1Dukes County55.4-0.2
2Suffolk County52.5-0.1
3Berkshire County49.4-0.1
4Norfolk County48.4-0
5Essex County48.2+0.3
6Barnstable County47.9+0.4
7Middlesex County47.5+0.2
8Nantucket County47.2+0.1
9Hampshire County47.1+0.9
10Hampden County47-0
11Plymouth County46.3-0.5
12Bristol County45.8-0
13Worcester County45.3-0.3
14Franklin County43.6+0.1

Other periods

About this ranking

Income inequality on a 0 to 100 scale, where 0 is perfect equality.

Eurostat, equivalised disposable income after social transfers (EU-SILC), for the EU and its countries. For other countries use gini_index_world_bank, which is measured on a different basis. For the United States, ACS five-year estimate B19083 measures inequality in household money income before taxes. Census publishes a coefficient from 0 to 1; Invokely multiplies it by 100. The displayed year is the final year of the five-year period. Negative household incomes are treated as zero. This differs from the EU-SILC measure based on equivalised disposable income and should not be treated as directly comparable.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100). https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b19083.dat. Retrieved 2026-10-10.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Counties in Massachusetts by gini index using official data, and cite the source.
rank_places {"indicator":"gini_index","level":"province","within":"Massachusetts","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=gini_index&level=province&within=Massachusetts&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

Which county has the highest gini index?

Dukes County, with 55.4 index in 2024, according to the U.S. Census Bureau.

Which county has the lowest gini index?

Franklin County, with 43.6 index in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100). Retrieved 2026-10-10.

Gini index: other rankings

Counties in Massachusetts: more rankings