COUNTY · 1990 CENSUS

Plymouth County

Massachusetts · 435,276 residents · 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 $40,905. Population has declined 8% since 2000. Median home value is $156,000. Poverty is rare here, at 6.6% of residents.

At a glance

Wealthier

above the US median

US median: $30,130

Mid-age

median age 33.2

US median: 33.0

Average education

22% hold a bachelor's degree

US average: 20%

Stable housing

home values roughly flat, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

435,276

−8%vs 2000

vs 472,822 in 2000

1990 – 2025

Population density

661 / sq mi

−8%vs 2000

vs 718 / sq mi in 2000

US average: 221

Median age

33.2

−10%vs 2000

vs 36.8 in 2000

US average: 33.0

Population, 1990 – 2024

2024535K

Section 02

Income & economy

Median household income

$40,905

−3%inflation adjusted, since 2000

vs $55,615 in 2000

US average: $30,130

1990 – 2024

Per capita income

$16,523

−33%vs 2000

vs $24,789 in 2000

US average: $14,340

Poverty rate

6.6%

−0.1 ptsvs 2000

vs 6.6% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$156,000

+18%inflation adjusted, since 2000

vs $174,200 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$620

+20%inflation adjusted, since 2000

vs $679 in 2000

US average: $450

Owner-occupied

73.0%

−2.6 ptsvs 2000

vs 75.6% in 2000

27.0% rent

Afford Score

3.8

+22%vs 2000

vs 3.1 in 2000

1990 – 2024

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%

Diversity Score19%(89,749)

1990

White, non-Hispanic93.5%(407,191)

Black3.7%(16,048)

Hispanic / Latino2%(8,751)

Asian0.8%(3,282)

Other2%(8,755)

Diversity Score19.6%(85,367)

Diversity Score

+3%vs 2000

vs 19 in 2000

1990 – 2024

Section 05

Education

Bachelor's degree or higher

22.2%

−5.5 ptsvs 2000

vs 27.8% in 2000

US average: 20.3%

High school or higher

83.8%

−3.9 ptsvs 2000

vs 87.6% in 2000

US average: 75.2%

Graduate degree

7.0%

−2.0 ptsvs 2000

vs 9.0% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

25.5 min

+3%vs 2000

vs 24.8 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to Plymouth County

Head to head

Compare Plymouth County to nearby counties

PLYMOUTH COUNTY VS

Bristol County

Income$85,625+109%

Home value$451,200+189%

Population593,640+9%

SEE FULL COMPARISON →

PLYMOUTH COUNTY VS

Norfolk County

Income$130,739+220%

Home value$683,900+338%

Population739,749+35%

SEE FULL COMPARISON →

PLYMOUTH COUNTY VS

Suffolk County

Income$95,631+134%

Home value$705,800+352%

Population791,891+45%

SEE FULL COMPARISON →

PLYMOUTH COUNTY VS

Bristol County

Income$114,490+180%

Home value$513,800+229%

Population50,001−91%

SEE FULL COMPARISON →

Frequently asked

How many people live in Plymouth County, Massachusetts?

Plymouth County, Massachusetts has about 435,276 residents according to the 1990 Census.

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

The typical household in Plymouth County, Massachusetts earns about $40,905 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 $156,000, and the typical rent is about $620 a month.

How educated are people in Plymouth County, Massachusetts?

About 22.2% 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 6.6% of people in Plymouth County, Massachusetts live below the federal poverty line.

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

How we source and harmonize this data →