Martinsville

County:: Somerset County
County Seat:: No
Area (mi²):: 12.152
State:: New Jersey

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.

Demographics

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.

Population by Race

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%

Martinsville Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$240,517	-
Families	$227,536	$284,631
Households	$206,839	$257,330
Non Families	$69,598	$102,390

$105,382

Average Income

$206,839

Median Household Income

0.9%

Poverty Rate