Marion is located in Plymouth County, Massachusetts. Marion has a 2025 population of 5,373 . Marion is currently growing at a rate of 0.6% annually and its population has increased by 0.71% since the most recent census, which recorded a population of 5,335 in 2020.
The average household income in Marion is $206,503 with a poverty rate of 5.89%. The median age in Marion is 46.8 years: 44.7 years for males, and 50.6 years for females. For every 100 females there are 102.6 males.
Data after 2023 is projected based on recent change
The racial composition of Marion includes 83.49% White, 4.16% Black or African American, and smaller percentages for other race, Asian and multiracial populations.
White (83.49%)
Two or more races (8.77%)
Black or African American (4.16%)
Other race (2.13%)
Asian (1.45%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,435 | 83.49% |
| Two or more races | 466 | 8.77% |
| Black or African American | 221 | 4.16% |
| Other race | 113 | 2.13% |
| Asian | 77 | 1.45% |
Married
Widowed
Divorced
Separated
Never Married
Marion's average per capita income is $70,813. Household income levels show a median of $120,227. The poverty rate stands at 5.89%.
Name | Median | Mean |
|---|---|---|
| Married Families | $181,953 | - |
| Families | $156,859 | $252,230 |
| Households | $120,227 | $206,503 |
| Non Families | $60,530 | $98,422 |
Average Income
Median Household Income
Poverty Rate