Cohasset

County:: Norfolk County
County Seat:: No
Area (mi²):: 9.783
State:: Massachusetts

Cohasset is located in Norfolk County, Massachusetts. Cohasset has a 2025 population of 8,472. Cohasset is currently growing at a rate of 0.47% annually and its population has increased by 1.15% since the most recent census, which recorded a population of 8,376 in 2020.

The average household income in Cohasset is $300,470 with a poverty rate of 2.95%. The median age in Cohasset is 45.6 years: 45.2 years for males, and 46.8 years for females.

Demographics

The racial composition of Cohasset includes 92.09% White, and smaller percentages for other race, Asian, Black or African American, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

White

Two or more races

Other race

Asian

Black or African American

Native Hawaiian or Pacific Islander

Native American

Race	Population	Percentage (of total)
White	7,697	92.09%
Two or more races	399	4.77%
Other race	80	0.96%
Asian	68	0.81%
Black or African American	44	0.53%
Native Hawaiian or Pacific Islander	39	0.47%
Native American	31	0.37%

Cohasset Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Cohasset's average per capita income is $103,635. Household income levels show a median of $187,060. The poverty rate stands at 2.95%.

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
Families	$250,001	$368,854
Married Families	$250,001	-
Households	$187,060	$300,470
Non Families	$65,602	$97,626

$103,635

Average Income

$187,060

Median Household Income

2.95%

Poverty Rate