Millstone is a borough located in Somerset County, New Jersey. Millstone has a 2025 population of 456 . Millstone is currently growing at a rate of 0.22% annually and its population has increased by 1.56% since the most recent census, which recorded a population of 449 in 2020.
The average household income in Millstone is $162,524 with a poverty rate of 4.46%. The median age in Millstone is 42.3 years: 37.9 years for males, and 43.9 years for females. For every 100 females there are 120.4 males.
Data after 2023 is projected based on recent change
The racial composition of Millstone includes 60.73% White, 3.63% Black or African American, and smaller percentages for Asian, other race and multiracial populations.
White (60.73%)
Two or more races (33.66%)
Black or African American (3.63%)
Asian (1.32%)
Other race (0.66%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 368 | 60.73% |
| Two or more races | 204 | 33.66% |
| Black or African American | 22 | 3.63% |
| Asian | 8 | 1.32% |
| Other race | 4 | 0.66% |
Married
Widowed
Divorced
Separated
Never Married
Millstone's average per capita income is $65,833. Household income levels show a median of $139,209. The poverty rate stands at 4.46%.
Name | Median | Mean |
|---|---|---|
| Married Families | $173,750 | - |
| Families | $139,362 | $166,795 |
| Households | $139,209 | $162,524 |
| Non Families | $128,125 | $145,604 |
Average Income
Median Household Income
Poverty Rate