Merrimac

County:: Essex County
County Seat:: No
Area (mi²):: 8.499
State:: Massachusetts

Merrimac is located in Essex County, Massachusetts. Merrimac has a 2025 population of 6,762. Merrimac is currently growing at a rate of 0.33% annually and its population has increased by 0.68% since the most recent census, which recorded a population of 6,716 in 2020.

The average household income in Merrimac is $124,770 with a poverty rate of 8.28%. The median age in Merrimac is 48.6 years: 47.2 years for males, and 52 years for females.

Demographics

The racial composition of Merrimac includes 94.95% White, and smaller percentages for other race, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	6,368	94.95%
Two or more races	338	5.04%
Other race	1	0.01%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Merrimac Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Merrimac's average per capita income is $65,656. Household income levels show a median of $116,477. The poverty rate stands at 8.28%.

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	$167,750	-
Families	$140,167	$138,194
Households	$116,477	$124,770
Non Families	$80,616	$77,206

$65,656

Average Income

$116,477

Median Household Income

8.28%

Poverty Rate