Monument Beach is a CDP located in Barnstable County, Massachusetts. Monument Beach has a 2025 population of 3,082 . Monument Beach is currently growing at a rate of 0.62% annually but its population has decreased by -2.87% since the most recent census, which recorded a population of 3,173 in 2020.
The average household income in Monument Beach is $113,403 with a poverty rate of 3.13%. The median age in Monument Beach is 46.9 years: 31.8 years for males, and 51.1 years for females. For every 100 females there are 68.3 males.
Data after 2023 is projected based on recent change
The racial composition of Monument Beach includes 90.22% White, 8.09% other race, and smaller percentages for Asian, Two or more races and multiracial populations.
White (90.22%)
Other race (8.09%)
Asian (1.14%)
Two or more races (0.55%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,767 | 90.22% |
| Other race | 248 | 8.09% |
| Asian | 35 | 1.14% |
| Two or more races | 17 | 0.55% |
Married
Widowed
Divorced
Separated
Never Married
Monument Beach's average per capita income is $77,793. Household income levels show a median of $86,953. The poverty rate stands at 3.13%.
Name | Median | Mean |
|---|---|---|
| Married Families | $142,115 | - |
| Families | $125,625 | $140,754 |
| Households | $86,953 | $113,403 |
| Non Families | $69,417 | $74,026 |
Average Income
Median Household Income
Poverty Rate