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Market insights · Massachusetts

Dukes County, MA: growth, migration and housing

Dukes County has 21,219 residents, up 3.1% since 2020 (-0.6% in the last year). In 2022–2023, 516 households moved in and 636 moved out (-120 net), bringing in a net $12.0M of income. Median household income is $125,786, the median home $1,165,800 and median rent $1,277 a month.

Population (2025)21,219
5-year growth+3.1%
1-year growth-0.6%
Net households moving in-120
Per 1,000 residents-5.7
Net income moving in+$12.0M
Median household income$125,786
Median home value$1,165,800
Median rent$1,277/mo
Rent as share of income12%

In Massachusetts: 5th of 14 counties for 5-year population growth · 14th of 14 counties for net in-migration (per resident) · 4th of 14 counties for median household income · 2nd of 14 counties for median home value.

Where new residents came from

Top counties by households (tax returns) moving to Dukes County, 2022–2023 (IRS).

FromHouseholds (tax returns)Their income (AGI)
Barnstable County, MA35$2.1M

Where leavers went

Top counties by households leaving Dukes County, 2022–2023 (IRS).

ToHouseholds (tax returns)Their income (AGI)
Barnstable County, MA72$9.5M
New York County, NY26$2.5M

BizyFi in Dukes County

No companies in the BizyFi directory are based here yet. Search them on the company map (company names with a free account), or browse Massachusetts companies.

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Sources: U.S. Census Bureau population estimates (vintage 2025), American Community Survey 5-year (2024), and IRS Statistics of Income county-to-county migration data (2022–2023). Migration counts are tax returns (roughly households) moving between U.S. counties; the IRS suppresses very small flows. Growth rates, per-1,000 figures, rent share and state ranks are BizyFi calculations. Data updated 2026-10-17. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.