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COUNTY

Plymouth County

Massachusetts · 546,829 residents (2025 est.) · 659 sq mi
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Part of the Boston metro area
The short version

Plymouth County is home to 535,075 people in Massachusetts. That puts it in the top 1% of US counties for household income. 78% of homes are owner-occupied. The median age is 43.0, about 4 years above the US median. The typical home is worth $556,000, having roughly tripled since 2000. Households take in $114,201 a year at the median, 39% more than the country as a whole.

At a glance
Wealthier
above the US median
US median: $82,259
Older
median age 43.0
US median: 38.9
More educated
42% hold a bachelor's degree
US average: 36%
Less affordable
home values up 75%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
535,075
+13%since 2000
from 472,822 in 2000
546,829 in 2025 (Census Bureau estimate)
1990 – 2025
Population density
813 / sq mi
+9%since 2009
from 748 / sq mi in 2009
US average: 281
Median age
43.0
+17%since 2000
from 36.8 in 2000
US average: 38.9
Land area
659 sq mi
Population, 1990 – 2024
425K455K485K515K545K19902000201020202024Plymouth County
2024535K
1990201020202024
Age distribution, 2024
Under 55.1%(27,382)
US avg: 5.6%
5 to 95.5%(29,639)
US avg: 6%
10 to 146.1%(32,635)
US avg: 6.4%
15 to 196.2%(33,327)
US avg: 6.6%
20 to 245.9%(31,781)
US avg: 6.5%
25 to 3411.2%(59,840)
US avg: 13.7%
35 to 4412.2%(65,467)
US avg: 13.2%
45 to 5412.9%(69,162)
US avg: 12.2%
55 to 6415%(80,102)
US avg: 12.7%
65 to 7411.7%(62,862)
US avg: 10.2%
75 to 846%(31,940)
US avg: 5.1%
85 and over2%(10,938)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$114,201
+13%inflation adjusted, since 2000
from $55,615 in 2000
US average: $82,259
1990 – 2024
Per capita income
$57,650
+133%since 2000
from $24,789 in 2000
US average: $44,673
Households earning $100K+
66.4%
+18.0 ptssince 2009
from 48.4% in 2009
US average: 53.3%
Poverty rate
7.1%
+0.5 ptssince 2000
from 6.6% in 2000
US average: 12.5%
Income inequality (Gini)
0.463
+9%since 2010
from 0.425 in 2010
US average: 0.476
Workforce by industry, 2024
Information11.3%
US avg: 10.8%
Other services8.3%
US avg: 6.7%
Wholesale trade8.3%
US avg: 6.9%
Retail trade6.6%
US avg: 9.9%
Public administration6.6%
US avg: 4.8%
Finance & insurance4.5%
US avg: 5.9%
Professional, scientific, technical3.7%
US avg: 5.1%
Transportation & warehousing2%
US avg: 2.2%
Arts, entertainment, food1.8%
US avg: 1.9%
Education & health services0.8%
US avg: 0.9%
Agriculture, forestry, fishing0.5%
US avg: 1.6%
Construction0.5%
US avg: 1.2%
Manufacturing0.1%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$556,000
+75%inflation adjusted, since 2000
from $174,200 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$1,747
+41%inflation adjusted, since 2000
from $679 in 2000
US average: $1,442
Owner-occupied
77.6%
+2.0 ptssince 2000
from 75.6% in 2000
22.4% rent
Vacancy rate
6.9%
−2.6 ptssince 2009
from 9.5% in 2009
US average: 10.0%
Persons per household
2.58 people
−5%since 2009
from 2.73 people in 2009
US average: 2.54
Owner cost-burdened
27.9%
−10.6 ptssince 2009
from 38.5% in 2009
US average: 22.9%
Renter cost-burdened
51.2%
+4.2 ptssince 2009
from 47.0% in 2009
US average: 47.4%
Afford Score
4.9
−4%since 2009
from 5.0 in 2009
2009 – 2024
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Gentrification Score
58
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04

Race & ethnicity

2000
White, non-Hispanic87.6%(414,110)
Black4.3%(20,449)
Hispanic / Latino2.4%(11,537)
Asian0.9%(4,306)
Other0%
2024
White, non-Hispanic76.1%(407,191)
Black7.8%(41,606)
Hispanic / Latino4.9%(26,184)
Asian1.7%(8,959)
Other9.6%(51,135)
Diversity Score
50
+55%since 2009
from 33 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Segregation Score
55
−8%since 2020
from 60 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Puerto Rican1.6%(8,663)
South American0.8%(4,069)
Dominican0.7%(3,503)
Central American0.6%(3,348)
Mexican0.4%(2,405)
Ecuadorian0.3%(1,856)
Salvadoran0.3%(1,491)
Cuban0.2%(1,054)
Guatemalan0.2%(926)
Colombian0.2%(916)
Peruvian0.1%(776)
Honduran0.1%(675)
+ 9 more hispanic origin groups with data
Spaniard0.1%(607)
Chilean0%(181)
Venezuelan0%(155)
Bolivian0%(114)
Argentine0%(67)
Asian origin
Chinese0.5%(2,477)
Vietnamese0.3%(1,745)
Asian Indian0.3%(1,648)
Filipino0.1%(720)
Korean0.1%(500)
Hmong0.1%(414)
Cambodian0.1%(285)
Japanese0%(197)
Thai0%(116)
Pakistani0%(115)
Taiwanese0%(86)
+ 2 more asian origin groups with data
Pacific Islander origin
Chamorro0%(131)
Samoan0%(128)
Guamanian0%(27)
Ancestry
Irish27.6%(147,518)
Italian13.1%(70,136)
English12.8%(68,527)
German5.3%(28,099)
Subsaharan African4.9%(25,961)
Cape Verdean4.4%(23,689)
French3.6%(19,432)
American3.6%(19,050)
Portuguese3.5%(18,486)
West Indian2.6%(13,846)
Scottish2.5%(13,360)
Polish2.4%(12,980)
+ 49 more ancestry groups with data
French Canadian2.3%(12,472)
Haitian2.2%(11,860)
Swedish2%(10,762)
Brazilian1%(5,185)
Greek0.8%(4,444)
Scotch-Irish0.8%(4,275)
Arab0.8%(4,274)
Lithuanian0.8%(4,027)
Lebanese0.6%(3,328)
Norwegian0.5%(2,919)
Russian0.5%(2,702)
Dutch0.4%(2,364)
Canadian0.4%(2,230)
Finnish0.4%(2,063)
Armenian0.3%(1,601)
Welsh0.3%(1,467)
Jamaican0.2%(1,289)
Ukrainian0.2%(1,222)
British0.2%(1,162)
Danish0.2%(1,060)
Hungarian0.2%(988)
Austrian0.1%(781)
Swiss0.1%(524)
Belgian0.1%(408)
Czech0.1%(386)
Slovak0.1%(346)
Syrian0.1%(336)
Barbadian0.1%(289)
Kenyan0.1%(285)
Moroccan0.1%(273)
Latvian0%(256)
Turkish0%(253)
Egyptian0%(237)
Nigerian0%(235)
Romanian0%(220)
Croatian0%(197)
Australian0%(190)
Ghanaian0%(159)
Bulgarian0%(136)
Slovene0%(90)
Somali0%(81)
Serbian0%(65)
Guyanese0%(40)
Israeli0%(40)
Iranian0%(37)
Ethiopian0%(25)
Iraqi0%(16)
Section 05

Education

Bachelor's degree or higher
41.8%
+14.1 ptssince 2000
from 27.8% in 2000
US average: 35.6%
High school or higher
93.1%
+5.4 ptssince 2000
from 87.6% in 2000
US average: 89.6%
Graduate degree
16.1%
+7.1 ptssince 2000
from 9.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
32.5 min
+31%since 2000
from 24.8 min in 2000
US average: 26.5
Drive alone to work
70.5%
−10.2 ptssince 2009
from 80.8% in 2009
US average: 68.9%
Carpooled to work
7.0%
−1.2 ptssince 2009
from 8.2% in 2009
US average: 8.5%
Public transit
2.9%
−2.0 ptssince 2009
from 4.8% in 2009
US average: 3.2%
Worked from home
16.2%
+12.4 ptssince 2009
from 3.8% in 2009
US average: 15.0%
Walked to work
1.5%
−0.2 ptssince 2009
from 1.6% in 2009
US average: 2.4%
Biked to work
0.2%
+0.1 ptssince 2009
from 0.2% in 2009
US average: 0.4%
No vehicle available
6.0%
+0.6 ptssince 2009
from 5.4% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
5.1%
−3.7 ptssince 2011
from 8.8% in 2011
US average: 5.2%
Labor force participation
66.7%
−2.5 ptssince 2011
from 69.2% in 2011
US average: 63.5%
Women 20-64 in the labor force
81.0%
+0.3 ptssince 2020
from 80.7% in 2020
US average: 74.6%
Self-employed
13.7%
+1.1 ptssince 2009
from 12.6% in 2009
US average: 13.1%
Management & professional
45.3%
+8.7 ptssince 2009
from 36.6% in 2009
US average: 42.5%
Section 08

People & community

Male
48.9%
−0.1 ptssince 2009
from 49.0% in 2009
Female
51.1%
+0.1 ptssince 2009
from 51.0% in 2009
Foreign born
11.2%
+3.2 ptssince 2009
from 8.0% in 2009
US average: 14.1%
Veterans
5.7%
−4.8 ptssince 2009
from 10.5% in 2009
US average: 6.2%
With a disability
11.8%
+0.8 ptssince 2012
from 11.0% in 2012
US average: 13.3%
Uninsured
2.5%
−1.3 ptssince 2013
from 3.8% in 2013
US average: 8.4%
Broadband at home
92.9%
+7.3 ptssince 2017
from 85.6% in 2017
US average: 91.0%
Computer in household
95.9%
+1.8 ptssince 2020
from 94.1% in 2020
US average: 95.5%
Same house as last year
91.3%
+1.4 ptssince 2020
from 89.9% in 2020
US average: 87.7%
English only at home
85.3%
−2.6 ptssince 2016
from 87.9% in 2016
US average: 77.7%
Spanish at home
3.1%
+0.7 ptssince 2016
from 2.4% in 2016
US average: 13.6%
Marital status
Men 15+
Never married34.4%(74,225)
Married55.1%(118,713)
Widowed2.8%(6,093)
Divorced7.7%(16,608)
Women 15+
Never married30.3%(69,712)
Married50.8%(116,636)
Widowed8.1%(18,558)
Divorced10.8%(24,874)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Uninsured
2.5%
−1.3 ptssince 2013
from 3.8% in 2013
US average: 8.4%
Employer-based
64.8%
−1.5 ptssince 2020
from 66.3% in 2020
US average: 54.8%
Direct-purchase
13.7%
+0.1 ptssince 2020
from 13.6% in 2020
US average: 13.8%
Medicare
20.0%
+1.2 ptssince 2020
from 18.8% in 2020
US average: 18.4%
Medicaid
21.1%
+1.1 ptssince 2020
from 20.0% in 2020
US average: 20.9%
VA health care
1.9%
Unchangedsince 2020
from 1.9% in 2020
US average: 2.2%
Any private
75.3%
−1.8 ptssince 2020
from 77.1% in 2020
US average: 67.1%
Any public
37.9%
+2.0 ptssince 2020
from 35.9% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)20.5%(4,962)
US avg: 26.4%
Gulf War (1990s)16.2%(3,913)
US avg: 24.3%
Vietnam era36.6%(8,863)
US avg: 33.1%
Korean War7.4%(1,797)
US avg: 4.5%
World War II1%(241)
US avg: 1%

Share of the 24,212 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper

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Pop 580,451
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Pop 647,828
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Pop 611,708
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Places similar to Plymouth County
Head to head

Compare Plymouth County to nearby counties

PLYMOUTH COUNTY VS
Bristol County
Income$85,625−25%
Home value$451,200−19%
Population593,640+9%
SEE FULL COMPARISON →
PLYMOUTH COUNTY VS
Norfolk County
Income$130,739+14%
Home value$683,900+23%
Population739,749+35%
SEE FULL COMPARISON →
PLYMOUTH COUNTY VS
Suffolk County
Income$95,631−16%
Home value$705,800+27%
Population791,891+45%
SEE FULL COMPARISON →
PLYMOUTH COUNTY VS
Bristol County
Income$114,490same
Home value$513,800−8%
Population50,001−91%
SEE FULL COMPARISON →
Frequently asked

How many people live in Plymouth County, Massachusetts?

Plymouth County, Massachusetts has about 535,075 residents according to the 2024 American Community Survey.

What is the median household income in Plymouth County, Massachusetts?

The typical household in Plymouth County, Massachusetts earns about $114,201 a year. Half of households make more than that, and half make less.

Is Plymouth County, Massachusetts expensive?

In Plymouth County, Massachusetts, the median home is worth about $556,000, and the typical rent is about $1,747 a month.

How educated are people in Plymouth County, Massachusetts?

About 41.8% of adults age 25 and over in Plymouth County, Massachusetts hold a bachelor's degree or higher.

What is the poverty rate in Plymouth County, Massachusetts?

About 7.1% of people in Plymouth County, Massachusetts live below the federal poverty line.

Has Plymouth County, Massachusetts grown since 1990?

Yes, Plymouth County, Massachusetts has grown since 1990. The population has added about 99,799 residents, a change of about 23 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →