Mattapoisett is located in Plymouth County, Massachusetts. Mattapoisett has a 2025 population of 6,848 . Mattapoisett is currently growing at a rate of 1.26% annually and its population has increased by 5.18% since the most recent census, which recorded a population of 6,511 in 2020.
The average household income in Mattapoisett is $169,034 with a poverty rate of 3.25%. The median age in Mattapoisett is 56 years: 55.2 years for males, and 56.9 years for females. For every 100 females there are 107.6 males.
Data after 2023 is projected based on recent change
The racial composition of Mattapoisett includes 94.55% White, and smaller percentages for other race, Native American, Asian and multiracial populations.
White (94.55%)
Two or more races (3.61%)
Other race (0.79%)
Native American (0.56%)
Asian (0.49%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 6,205 | 94.55% |
| Two or more races | 237 | 3.61% |
| Other race | 52 | 0.79% |
| Native American | 37 | 0.56% |
| Asian | 32 | 0.49% |
Married
Widowed
Divorced
Separated
Never Married
Mattapoisett's average per capita income is $70,417. Household income levels show a median of $117,308. The poverty rate stands at 3.25%.
Name | Median | Mean |
|---|---|---|
| Married Families | $147,292 | - |
| Families | $137,222 | $183,442 |
| Households | $117,308 | $169,034 |
| Non Families | $70,579 | $138,769 |
Average Income
Median Household Income
Poverty Rate