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COUNTY · 2020 ACS

Plymouth County

Massachusetts · 530,819 residents · 659 sq mi
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The short version

With 530,819 people, Plymouth County is a county in Massachusetts. The median age is 43.5, about 5 years above the US median. 75% of homes are owner-occupied. The typical home is worth $386,600, having more than doubled since 2000. Households take in $92,906 a year at the median, 40% more than the country as a whole. Poverty is uncommon here, at 6.7% of residents.

At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 43.5
US median: 38.8
More educated
38% hold a bachelor's degree
US average: 33%
Less affordable
home values up 48%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
530,819
+12%since 2000
from 472,822 in 2000
1990 – 2025
Median age
43.5
+18%since 2000
from 36.8 in 2000
US average: 38.8
Land area
659 sq mi
Population, 1990 – 2024
425K455K485K515K545K19902000201020202024Plymouth County
2024535K
1990201020202024
Age distribution, 2020
Under 55%(26,297)
US avg: 5.6%
5 to 95.6%(29,656)
US avg: 6.1%
10 to 146.3%(33,444)
US avg: 6.5%
15 to 196.6%(34,833)
US avg: 6.6%
20 to 245.8%(30,912)
US avg: 6.7%
25 to 3410.8%(57,098)
US avg: 13.5%
35 to 4411.7%(62,027)
US avg: 12.7%
45 to 5413.8%(73,224)
US avg: 12.3%
55 to 6415.2%(80,470)
US avg: 13.1%
65 to 7411.6%(61,509)
US avg: 10%
75 to 845.7%(30,340)
US avg: 4.9%
85 and over2.1%(11,009)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$92,906
+11%inflation adjusted, since 2000
from $55,615 in 2000
US average: $66,278
1990 – 2024
Per capita income
$45,378
+83%since 2000
from $24,789 in 2000
US average: $35,364
Households earning $100K+
58.9%
+10.5 ptssince 2009
from 48.4% in 2009
US average: 43.9%
Poverty rate
6.7%
Unchangedsince 2000
from 6.6% in 2000
US average: 12.8%
Workforce by industry, 2020
Information11.8%
US avg: 11.1%
Other services8.4%
US avg: 6.6%
Wholesale trade8.1%
US avg: 6.7%
Public administration6.7%
US avg: 4.7%
Retail trade6.5%
US avg: 10%
Finance & insurance4.5%
US avg: 5.5%
Professional, scientific, technical3.6%
US avg: 4.7%
Transportation & warehousing2.6%
US avg: 2.5%
Arts, entertainment, food2.1%
US avg: 2%
Education & health services0.8%
US avg: 0.8%
Agriculture, forestry, fishing0.6%
US avg: 1.7%
Construction0.6%
US avg: 1.2%
Manufacturing0.1%
US avg: 0.5%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$386,600
+48%inflation adjusted, since 2000
from $174,200 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$1,324
+30%inflation adjusted, since 2000
from $679 in 2000
US average: $1,124
Owner-occupied
75.4%
−0.2 ptssince 2000
from 75.6% in 2000
24.6% rent
Persons per household
2.66 people
−3%since 2009
from 2.73 people in 2009
US average: 2.61
Afford Score
4.2
−18%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.
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%
2020
White, non-Hispanic76.7%(406,919)
Black8.2%(43,482)
Hispanic / Latino4.5%(23,952)
Asian1.4%(7,693)
Other5.4%(28,829)
Segregation Score
60
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 Rican1.8%(9,117)
Central American0.6%(2,916)
South American0.5%(2,746)
Mexican0.3%(1,688)
Dominican0.3%(1,425)
Salvadoran0.3%(1,326)
Ecuadorian0.2%(1,250)
Cuban0.2%(936)
Honduran0.1%(599)
Colombian0.1%(571)
Spaniard0.1%(541)
Guatemalan0.1%(475)
+ 9 more hispanic origin groups with data
Panamanian0.1%(261)
Argentine0%(217)
Peruvian0%(198)
Bolivian0%(192)
Venezuelan0%(118)
Chilean0%(100)
Asian origin
Chinese0.4%(2,292)
Asian Indian0.4%(2,050)
Vietnamese0.2%(971)
Filipino0.1%(741)
Korean0.1%(660)
Cambodian0.1%(271)
Japanese0%(121)
Pakistani0%(119)
Laotian0%(98)
Hmong0%(89)
Nepalese0%(82)
Taiwanese0%(39)
+ 3 more asian origin groups with data
Burmese0%(15)
Malaysian0%(15)
Pacific Islander origin
Samoan0%(52)
Chamorro0%(19)
Ancestry
Irish30%(155,515)
Italian14.7%(76,461)
English13.2%(68,211)
German5.8%(29,929)
Subsaharan African5.4%(27,747)
Cape Verdean4.8%(24,662)
American4.3%(22,328)
French4.1%(21,281)
Portuguese3.9%(20,344)
West Indian3.4%(17,411)
Haitian2.9%(14,871)
French Canadian2.8%(14,604)
+ 48 more ancestry groups with data
Scottish2.8%(14,579)
Polish2.7%(14,148)
Swedish2.1%(10,857)
Scotch-Irish0.9%(4,857)
Brazilian0.9%(4,521)
Canadian0.9%(4,520)
Greek0.8%(4,401)
Lithuanian0.7%(3,850)
Russian0.7%(3,543)
Norwegian0.6%(3,080)
Dutch0.6%(2,872)
Lebanese0.5%(2,469)
Finnish0.4%(2,251)
British0.4%(2,067)
Welsh0.3%(1,719)
Armenian0.3%(1,399)
Jamaican0.2%(1,252)
Hungarian0.2%(1,187)
Ukrainian0.2%(917)
Danish0.2%(803)
Austrian0.1%(713)
Nigerian0.1%(681)
Slovak0.1%(507)
Swiss0.1%(503)
Czech0.1%(458)
Arab0.1%(439)
Latvian0.1%(391)
Belgian0.1%(363)
Kenyan0.1%(363)
Barbadian0.1%(361)
Romanian0.1%(268)
Syrian0%(228)
Croatian0%(227)
Bulgarian0%(207)
Ghanaian0%(198)
Moroccan0%(171)
Guyanese0%(164)
Iranian0%(164)
Turkish0%(154)
Serbian0%(121)
Israeli0%(83)
Egyptian0%(73)
Ethiopian0%(73)
Slovene0%(63)
Section 05

Education

Bachelor's degree or higher
38.1%
+10.4 ptssince 2000
from 27.8% in 2000
US average: 32.9%
High school or higher
92.8%
+5.2 ptssince 2000
from 87.6% in 2000
US average: 88.5%
Graduate degree
14.0%
+5.0 ptssince 2000
from 9.0% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
33.2 min
+34%since 2000
from 24.8 min in 2000
US average: 26.9
Drive alone to work
77.3%
−3.5 ptssince 2009
from 80.8% in 2009
US average: 75.1%
No vehicle available
6.1%
+0.7 ptssince 2009
from 5.4% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
5.1%
−3.8 ptssince 2011
from 8.8% in 2011
US average: 5.4%
Labor force participation
67.5%
−1.7 ptssince 2011
from 69.2% in 2011
US average: 63.4%
Women 20-64 in the labor force
80.7%
US average: 73.3%
Management & professional
41.5%
+4.9 ptssince 2009
from 36.6% in 2009
US average: 39.3%
Section 08

People & community

Male
48.6%
−0.4 ptssince 2009
from 49.0% in 2009
Female
51.4%
+0.4 ptssince 2009
from 51.0% in 2009
Foreign born
9.7%
+1.8 ptssince 2009
from 8.0% in 2009
US average: 13.5%
Uninsured
2.4%
−1.4 ptssince 2013
from 3.8% in 2013
US average: 8.8%
Computer in household
94.1%
US average: 91.9%
Same house as last year
89.9%
US average: 86.2%
Marital status (2024)
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
2.4%
−1.4 ptssince 2013
from 3.8% in 2013
US average: 8.8%
Employer-based
66.3%
US average: 55.4%
Direct-purchase
13.6%
US average: 13.7%
Medicare
18.8%
US average: 17.6%
Medicaid
20.0%
US average: 20.0%
VA health care
1.9%
US average: 2.3%
Any private
77.1%
US average: 68.1%
Any public
35.9%
US average: 35.2%

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, 2020
Gulf War (2001 or later)14.8%(4,049)
US avg: 20.6%
Gulf War (1990s)13.7%(3,752)
US avg: 21.4%
Vietnam era38.5%(10,525)
US avg: 35.2%
Korean War10.3%(2,812)
US avg: 7.6%
World War II3.9%(1,056)
US avg: 2.9%

Share of the 27,352 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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Places similar to Plymouth County
Head to head

Compare Plymouth County to nearby counties

PLYMOUTH COUNTY VS
Bristol County
Income$85,625−8%
Home value$451,200+17%
Population593,640+9%
SEE FULL COMPARISON →
PLYMOUTH COUNTY VS
Norfolk County
Income$130,739+41%
Home value$683,900+77%
Population739,749+35%
SEE FULL COMPARISON →
PLYMOUTH COUNTY VS
Suffolk County
Income$95,631+3%
Home value$705,800+83%
Population791,891+45%
SEE FULL COMPARISON →
PLYMOUTH COUNTY VS
Bristol County
Income$114,490+23%
Home value$513,800+33%
Population50,001−91%
SEE FULL COMPARISON →
Frequently asked

How many people live in Plymouth County, Massachusetts?

Plymouth County, Massachusetts has about 530,819 residents according to the 2020 American Community Survey.

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

The typical household in Plymouth County, Massachusetts earns about $92,906 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 $386,600, and the typical rent is about $1,324 a month.

How educated are people in Plymouth County, Massachusetts?

About 38.1% 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 6.7% 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 95,543 residents, a change of about 22 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 →