Martinsville is a CDP located in Somerset County, New Jersey. Martinsville has a 2025 population of 12,468 . Martinsville is currently growing at a rate of 0.27% annually and its population has increased by 9.52% since the most recent census, which recorded a population of 11,384 in 2020.
The average household income in Martinsville is $257,330 with a poverty rate of 0.9%. The median age in Martinsville is 45.9 years: 45.8 years for males, and 45.9 years for females. For every 100 females there are 96.9 males.
Data after 2023 is projected based on recent change
The racial composition of Martinsville includes 72.19% White, 13.16% Asian, and smaller percentages for Black or African American, other race and multiracial populations.
White (72.19%)
Asian (13.16%)
Two or more races (9.23%)
Black or African American (2.9%)
Other race (2.52%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 8,674 | 72.19% |
| Asian | 1,581 | 13.16% |
| Two or more races | 1,109 | 9.23% |
| Black or African American | 349 | 2.9% |
| Other race | 303 | 2.52% |
Married
Widowed
Divorced
Separated
Never Married
Martinsville's average per capita income is $105,382. Household income levels show a median of $206,839. The poverty rate stands at 0.9%.
Name | Median | Mean |
|---|---|---|
| Married Families | $240,517 | - |
| Families | $227,536 | $284,631 |
| Households | $206,839 | $257,330 |
| Non Families | $69,598 | $102,390 |
Average Income
Median Household Income
Poverty Rate