Cohasset, Massachusetts Population 2024

8,280

Cohasset is a city located in Norfolk County Massachusetts. Cohasset has a 2024 population of 8,280. Cohasset is currently declining at a rate of -0.4% annually and its population has decreased by -1.16% since the most recent census, which recorded a population of 8,377 in 2020.

The average household income in Cohasset is $283,335 with a poverty rate of 3.92%. The median age in Cohasset is 44.1 years: 43.9 years for males, and 44.2 years for females.

Cohasset Demographics

According to the most recent ACS, the racial composition of Cohasset was:

  • White: 93.58%
  • Two or more races: 3.18%
  • Other race: 0.82%
  • Black or African American: 0.78%
  • Native Hawaiian or Pacific Islander: 0.66%
  • Asian: 0.6%
  • Native American: 0.38%
Land Area (mi²)
9.8 sq mi
Density (mi²)
846.40/sq mi
Growth Since 2020
-1.16% (-97)
The current population of Cohasset, Massachusetts is 8,280 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 8,377.

Population by Race

Race
Population
Percentage (of total)
White7,79593.58%
Two or more races2653.18%
Other race680.82%
Black or African American650.78%
Native Hawaiian or Pacific Islander550.66%
Asian500.6%
Native American320.38%

White

Two or more races

Other race

Black or African American

Native Hawaiian or Pacific Islander

Asian

Native American

Cohasset Population by Race

Cohasset Population Pyramid 2024

Cohasset Median Age

44.1

Total

43.9

Male

44.2

Female

Cohasset Adults

There are 5,976 adults, (1,358 of whom are seniors) in Cohasset.

Cohasset Age Dependency

80.4

Age Dependency Ratio

29.4

Old Age Dependency Ratio

51

Child Dependency Ratio

Cohasset Sex Ratio

Female4,21150.55%
Male4,11949.45%

Cohasset Population by Age

Cohasset Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All3,1072.6679.620.4
Married1,9253.321000
Non Family8831.0844.455.6
Male1763.1748.951.1
Female1232.8756.943.1

3.18

Average Family Size

2.66

Average Household Size

79.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Cohasset Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade961.69%
Associates Degree2634.63%
Bachelors Degree2,19838.66%
Graduate Degree1,86432.78%
High School Graduate63111.1%
Less Than 9th Grade500.88%
Some College58410.27%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Cohasset Educational Attainment by Sex (over 25)

Cohasset Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White5,3085,1723,779
2+ Races1029292
Other Race686868
Islander55550
Black515143
Asian505050
Hispanic474745
Native American323212

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 100%.

Cohasset Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$104,844$175,266$79,063
Graduate Degree$176,826$250,001$91,587
High School Graduate$0$62,411$0
Less Than 9th Grade$0$0$0
Overall$101,293$161,193$69,886
Some College$63,879$89,219$37,391

$101,293

Average Earnings

$161,193

Average Male

$69,886

Average Female

Cohasset Earnings by Educational Attainment

Cohasset Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Cohasset Language

95.29% of Cohasset residents speak only English, while 4.71% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.81% of the population.

Cohasset Language

Cohasset Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White7,6613214.19%
Hispanic16221.23%

3.92%

Overall Poverty Rate

2.36%

Male Poverty Rate

5.44%

Female Poverty Rate

Poverty in Cohasset

The race most likely to be in poverty in Cohasset is White, with 4.19% below the poverty level.

The race least likely to be in poverty in Cohasset is Hispanic, with 1.23% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.07%. Among those working part-time, it was 11.12%, and for those that did not work, the poverty rate was 7.81%.

Cohasset Poverty

rate

Rate
Poverty
High School21.77%
Some College7.43%
Less Than 9th Grade6.16%
Bachelors or Greater2.62%

Cohasset Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed17.57%
Female Unemployed16.67%
Male Employed2.34%
Female Employed1.32%

Cohasset Poverty Rate by Employment Status and Sex

Cohasset Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$250,001$358,992
Households$178,013$283,335
Married Families$250,001$-999,999,999
Non Families$56,577$86,714

mean

median

Income by Household Type

Cohasset Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

64.1%

Overall Marriage Rate

65.6%

Male Marriage Rate

62.6%

Female Marriage Rate

Cohasset Married by Age and Sex

male

female

Cohasset Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 45-54.

Cohasset Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Cohasset Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

430

Number of Veterans

422

Male Veterans

8

Female Veterans

War
Veterans
World War II90
Vietnam88
First Gulf War54
Korea42
Second Gulf War15

Cohasset Veterans by War

count

Age Group
Veterans
75+215
65 to 7491
55 to 6455
35 to 5454
18 to 3415

Cohasset Veterans by Age

count

Name
Veterans
% of Total
White4307.7%

Cohasset Veterans by Race

Cohasset Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

23.1%

Veteran Disability Rate

Cohasset Veterans by Education

LaborForceParticipation

70.3%

Labor Force Participation

67.5%

Employment Rate

3.9%

Unemployment Rate

Cohasset Employment by Age

LaborForceParticipation

Cohasset Employment by Race

LaborForceParticipation

Cohasset Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

67.88%

Born in Cohasset

96.96%

Native Born

3.04%

Foreign Born

0.95%

Non Citizen

2.09%

Naturalized

Place of Birth

96.96% of Cohasset residents were born in the United States, with 67.88% having been born in Massachusetts. 0.95% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Cohasset Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Growth Rate
20298,115-33-0.41%
20288,148-33-0.4%
20278,181-33-0.4%
20268,214-33-0.4%
20258,247-33-0.4%
20248,280-33-0.4%
20238,313-33-0.4%
20228,346-33-0.39%
20218,37920.02%
20208,377-177-2.07%
20198,554200.23%
20188,534150.18%
20178,519530.63%
20168,466730.87%
20158,393420.5%
20148,351600.72%
20138,291790.96%
20128,212720.88%
20118,1405917.83%
20107,54900%

Cohasset Population by Year