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COUNTY

Plymouth County

Massachusetts · 546,829 residents (2025 est.) · 658.501 sq mi
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The short version

Plymouth County is significantly wealthier than the US average, with a median household income of $114,201. Population has held roughly steady since 2000. Median home value has roughly tripled since 2000, reaching $556,000. It ranks in the top 1% of US counties for household income.

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

535,075
+13%since 2000
from 472,822 in 2000
1990 – 2025
813 / sq mi
+9%since 2009
from 748 / sq mi in 2009
US average: 281
43.0
+17%since 2000
from 36.8 in 2000
US average: 38.9

PEP 2025 EST:546,829 residents (Census Bureau Vintage 2025, released March 2026)

Population, 19902024
425K455K485K515K545K1990201020202024Plymouth 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

$114,201
+13%inflation adjusted, since 2000
from $55,615 in 2000
US average: $82,259
1990 – 2024
$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%
7.1%
+0.5 ptssince 2000
from 6.6% in 2000
US average: 12.5%
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

$556,000
+75%inflation adjusted, since 2000
from $174,200 in 2000
US average: $376,019
1990 – 2024
$1,747
+41%inflation adjusted, since 2000
from $679 in 2000
US average: $1,442
77.6%
+2.0 ptssince 2000
from 75.6% in 2000
22.4% rent
6.9%
−2.6 ptssince 2009
from 9.5% in 2009
US average: 10.0%
27.9%
−10.6 ptssince 2009
from 38.5% in 2009
US average: 22.9%
51.2%
+4.2 ptssince 2009
from 47.0% in 2009
US average: 47.4%
4.9
−4%since 2009
from 5.0 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
58
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Plymouth County on RentDataNow
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)
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.
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)
RANKED:Largest Irish population · Largest Italian population · Largest English population · Largest German population · Largest Subsaharan African population
Section 05

Education

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%
16.1%
+7.1 ptssince 2000
from 9.0% in 2000
US average: 14.0%
Section 06

Commute & transportation

32.5 min
+31%since 2000
from 24.8 min in 2000
US average: 26.5
70.5%
−10.2 ptssince 2009
from 80.8% in 2009
US average: 68.9%
7.0%
−1.2 ptssince 2009
from 8.2% in 2009
US average: 8.5%
2.9%
−2.0 ptssince 2009
from 4.8% in 2009
US average: 3.2%
16.2%
+12.4 ptssince 2009
from 3.8% in 2009
US average: 15.0%
1.5%
−0.2 ptssince 2009
from 1.6% in 2009
US average: 2.4%
0.2%
+0.1 ptssince 2009
from 0.2% in 2009
US average: 0.4%
6.0%
+0.6 ptssince 2009
from 5.4% in 2009
US average: 8.3%
Section 07

Work & employment

5.1%
−3.7 ptssince 2011
from 8.8% in 2011
US average: 5.2%
66.7%
−2.5 ptssince 2011
from 69.2% in 2011
US average: 63.5%
13.7%
+1.1 ptssince 2009
from 12.6% in 2009
US average: 13.1%
45.3%
−20.3 ptssince 2009
from 65.6% in 2009
US average: 42.5%
Section 08

People & community

48.9%
−0.1 ptssince 2009
from 49.0% in 2009
51.1%
+0.1 ptssince 2009
from 51.0% in 2009
11.2%
+3.2 ptssince 2009
from 8.0% in 2009
US average: 14.1%
5.7%
−42.5 ptssince 2009
from 48.2% in 2009
US average: 6.2%
11.8%
+0.8 ptssince 2012
from 11.0% in 2012
US average: 13.3%
2.5%
−93.7 ptssince 2013
from 96.2% in 2013
US average: 8.4%
92.9%
+7.3 ptssince 2017
from 85.6% in 2017
US average: 91.0%
85.3%
−2.6 ptssince 2016
from 87.9% in 2016
US average: 77.7%
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
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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 →