Plymouth County, Massachusetts Population 2024

537,368

Plymouth County, Massachusetts's estimated 2024 population is 537,368 with a growth rate of 0.38% in the past year according to the most recent United States census data. Plymouth County, Massachusetts is the 7th largest county in Massachusetts. The 2010 population was 495,937 and has seen a growth of 8.35% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029547,6682,0600.38%
2028545,6082,0600.38%
2027543,5482,0600.38%
2026541,4882,0600.38%
2025539,4282,0600.38%
2024537,3682,0600.38%
2023535,3082,0600.39%
2022533,2481890.04%
2021533,0592,8590.54%
2020530,2008,3591.6%
2019521,8412,9530.57%
2018518,8882,9040.56%
2017515,9843,4490.67%
2016512,5353,1220.61%
2015509,4132,7790.55%
2014506,6343,7390.74%
2013502,8953,3500.67%
2012499,5451,3330.27%
2011498,2122,2750.46%
2010495,93700%
1990435,27629,8397.36%
1980405,43772,12321.64%
1970333,31484,86534.16%
1960248,44958,98131.13%
1950189,46820,64412.23%
1940168,8246,5134.01%
1930162,3115,3433.4%
1920156,96812,6318.75%
1910144,33730,35226.63%
1900113,98521,28522.96%
189092,70018,68225.24%
188074,0188,65313.24%
187065,3655970.92%
186064,7689,07116.29%
185055,6978,32417.57%
184047,3734,32910.06%
183043,0444,90812.87%
182038,1362,9678.44%
181035,1695,09616.95%
180030,0735381.82%
179029,535-518,133-94.61%
2024 Growth Rate
0.38% (2,060)
County Website
Plymouth County
2020 Population
530,200
Area
659 mi²
Density
815 people/mi²
Growth Since 2020
1.35% (7,168)
Founded
1685

Population by Race

Race
Population
Percentage (of total)
White420,58479.42%
Black or African American47,9889.06%
Two or more races33,9466.41%
Other race17,4383.29%
Asian8,6481.63%
Native American7230.14%
Native Hawaiian or Pacific Islander2210.04%

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Plymouth County, Massachusetts Population by Race

Plymouth County, Massachusetts Population Pyramid 2024

Plymouth County, Massachusetts Median Age

42.7

Total

41.2

Male

44.4

Female

Plymouth County, Massachusetts Adults

There are 418,484 adults, (99,368 of whom are seniors) in Plymouth County, Massachusetts.

Plymouth County, Massachusetts Age Dependency

65.9

Age Dependency Ratio

31.1

Old Age Dependency Ratio

34.8

Child Dependency Ratio

Plymouth County, Massachusetts Sex Ratio

Female270,10751.01%
Male259,44148.99%

Plymouth County, Massachusetts Population by Age

Plymouth County, Massachusetts Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All198,9372.6177.322.7
Married105,8243.24919
Non Family59,7291.2161.738.3
Female23,4383.1361.438.6
Male9,946363.836.2

3.12

Average Family Size

2.61

Average Household Size

77.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Plymouth County, Massachusetts Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade13,7943.7%
Associates Degree34,1729.17%
Bachelors Degree93,96325.22%
Graduate Degree57,06915.32%
High School Graduate99,14926.62%
Less Than 9th Grade11,8633.18%
Some College62,51516.78%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Plymouth County, Massachusetts Educational Attainment by Sex (over 25)

Plymouth County, Massachusetts Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White302,614290,061132,243
Black29,37424,5576,771
2+ Races18,00114,5595,007
Hispanic12,96510,6893,571
Other Race11,4108,4172,118
Asian6,1725,2413,423
Native American515456142
Islander1861264

The highest rate of high school graduation is among white people with a rate of 95.85%.

The highest rate of bachelors degrees is among asian people with a rate of 55.46%.

Plymouth County, Massachusetts Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$77,646$94,140$63,532
Graduate Degree$96,404$121,340$83,490
High School Graduate$46,963$57,699$35,940
Less Than 9th Grade$33,759$41,332$27,371
Overall$61,806$73,548$51,171
Some College$54,771$68,336$44,730

$61,806

Average Earnings

$73,548

Average Male

$51,171

Average Female

Plymouth County, Massachusetts Earnings by Educational Attainment

Plymouth County, Massachusetts Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Plymouth County, Massachusetts Language

85.75% of Plymouth County, Massachusetts residents speak only English, while 14.25% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 9.86% of the population.

Plymouth County, Massachusetts Language

Plymouth County, Massachusetts Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White405,25421,0865.2%
Black46,4196,49213.99%
Multiple33,3543,48010.43%
Hispanic22,4713,09813.79%
Other17,0882,00011.7%
Asian8,5633804.44%
Islander21712959.45%
Native653152.3%

6.65%

Overall Poverty Rate

5.67%

Male Poverty Rate

7.59%

Female Poverty Rate

Poverty in Plymouth County, Massachusetts

The race most likely to be in poverty in Plymouth County, Massachusetts is Islander, with 59.45% below the poverty level.

The race least likely to be in poverty in Plymouth County, Massachusetts is Native, with 2.3% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.74%. Among those working part-time, it was 6.45%, and for those that did not work, the poverty rate was 15.23%.

Plymouth County, Massachusetts Poverty

rate

Rate
Poverty
Less Than 9th Grade19.11%
High School9.4%
Some College5.56%
Bachelors or Greater2.7%

Plymouth County, Massachusetts Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed20.17%
Male Unemployed17.43%
Female Employed2.96%
Male Employed1.95%

Plymouth County, Massachusetts Poverty Rate by Employment Status and Sex

Plymouth County, Massachusetts Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$128,726$165,735
Households$105,387$140,463
Married Families$148,380$187,818
Non Families$52,807$73,752

mean

median

Income by Household Type

Plymouth County, Massachusetts Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

51.2%

Overall Marriage Rate

53.7%

Male Marriage Rate

49.0%

Female Marriage Rate

Plymouth County, Massachusetts Married by Age and Sex

male

female

Plymouth County, Massachusetts Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Plymouth County, Massachusetts Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Plymouth County, Massachusetts Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

26,101

Number of Veterans

24,637

Male Veterans

1,464

Female Veterans

War
Veterans
Vietnam10,046
Second Gulf War4,840
First Gulf War3,648
Korea2,260
World War II508

Plymouth County, Massachusetts Veterans by War

count

Age Group
Veterans
75+7,936
65 to 747,172
35 to 544,647
55 to 644,162
18 to 342,184

Plymouth County, Massachusetts Veterans by Age

count

Name
Veterans
% of Total
White23,9117.01%
2+ Races8353.91%
Black7972.3%
Hispanic5113.27%
Other Race5023.7%
Asian440.64%
Native American122.18%

Plymouth County, Massachusetts Veterans by Race

Plymouth County, Massachusetts Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.7%

Veteran Poverty Rate

27.04%

Veteran Disability Rate

Plymouth County, Massachusetts Veterans by Education

LaborForceParticipation

67%

Labor Force Participation

63.4%

Employment Rate

5.2%

Unemployment Rate

Plymouth County, Massachusetts Employment by Age

LaborForceParticipation

Plymouth County, Massachusetts Employment by Race

LaborForceParticipation

Plymouth County, Massachusetts 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

74.14%

Born in Plymouth County, Massachusetts

89.38%

Native Born

10.62%

Foreign Born

3.96%

Non Citizen

6.65%

Naturalized

Place of Birth

89.38% of Plymouth County, Massachusetts residents were born in the United States, with 74.14% having been born in Massachusetts. 3.96% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Plymouth County, Massachusetts Place of Birth

Sources