County in Massachusetts · 103 sq mi · 205 people per sq mi
21,084 people live in Dukes County. The typical household earns $125,786, and the median resident is 50.7 years old.
2026 projection
From 20,580 in 2020
Poverty rate 4.43%
Men 50.8 · Women 50.7
1790–2026
21,084
2026 projection
2.4% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1790–2026
21,084
2026 projection
2.4% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 21,084 | -135 | 0.64% |
|---|---|---|---|
| 2025 | 21,219 | -135 | 0.63% |
| 2024 | 21,354 | +291 | 1.38% |
| 2023 | 21,063 | -18 | 0.09% |
| 2022 | 21,081 | -29 | 0.14% |
| 2021 | 21,110 | +530 | 2.58% |
| 2020 | 20,580 | +3,119 | 17.86% |
| 2019 | 17,461 | +2 | 0.01% |
| 2018 | 17,459 | +37 | 0.21% |
| 2017 | 17,422 | +73 | 0.42% |
Showing 10 of 38 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 209 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 23 residents
53% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 53% | 54% | 52% |
| Never married | 31% | 33% | 29% |
| Divorced | 11% | 11% | 10% |
| Widowed | 5% | 2% | 8% |
| Separated | <1% | <1% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
8 sources, all from the U.S. Census Bureau