US Census Data

Plymouth County, Massachusetts

29 cities & places have their primary county here.

Population
531,889
+3.2%’19–’23
Median household income
$109,698
+22.6%’19–’23
Median home value
$513,000
+38.5%’19–’23

Plymouth County, Massachusetts counts 531,889 residents. 29 cities and places have their primary county here. The median household income of $109,698 is above the Massachusetts median ($101,341).

Between 2019 and 2023, Plymouth County's population grew 3.2% from 515,303 to 531,889, while its median household income rose 22.6% from $89,489 to $109,698.

Owners occupy 77.6% of the area's occupied homes. The median resident is 42.9 years old.

Demographics

ACS 2019–2023
Population
531,889
Median age
42.9 yrs
Median household income
$109,698
Median home value
$513,000
Median gross rent
$1,655
Housing units
216,654
Homeownership rate
77.6%
Bachelor's degree or higher
41.2%
Unemployment rate
5.1%

Trends

ACS 5-year · 2019–2023
Population
515,303531,889
Median household income
$89,489$109,698
Median home value
$370,300$513,000
Median gross rent
$1,279$1,655
YearPopulationMedian household incomeMedian home valueMedian gross rent
2019515,303$89,489$370,300$1,279
2020518,597$92,906$386,600$1,324
2021527,602$98,190$409,600$1,406
2022529,548$105,387$475,500$1,550
2023531,889$109,698$513,000$1,655

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 527,3045.1%
5 to 1784,11715.8%
18 to 2444,2998.3%
25 to 3459,03411.1%
35 to 4464,00012.0%
45 to 5470,86513.3%
55 to 6480,09515.1%
65 to 7461,37011.5%
75 and over40,8057.7%

Race & ethnicity

CountShare
White (non-Hispanic)408,41776.8%
Black or African American44,8178.4%
American Indian & Alaska Native3600.1%
Asian8,8011.7%
Native Hawaiian & Pacific Islander1980.0%
Some other race13,3942.5%
Two or more races30,8805.8%
Hispanic or Latino (any race)25,0224.7%

Educational attainment (age 25+)

CountShare
No high school diploma25,4466.8%
High school graduate99,54826.5%
Some college or associate's96,15625.6%
Bachelor's degree96,35925.6%
Graduate or professional degree58,66015.6%

Commute to work

Mean travel time to work
33 min

How workers get to work

CountShare
Drove alone193,43471.8%
Carpooled18,9317.0%
Public transit8,9903.3%
Walked4,1791.6%
Bicycle6180.2%
Worked from home39,52414.7%
Other means3,8171.4%

Travel time

CountShare
Under 15 min50,64122.0%
15 to 29 min65,86728.6%
30 to 44 min49,00921.3%
45 to 59 min24,23610.5%
60+ min40,21617.5%

Households

Average household size
2.59
Poverty rate
7.1% (36,987 of 521,755)
CountShare
Family households140,64570.0%
Nonfamily households60,35030.0%

Housing

Median year structure built
1971

Occupancy

CountShare
Occupied200,99592.8%
Vacant15,6597.2%

Tenure (of occupied units)

CountShare
Owner-occupied156,01577.6%
Renter-occupied44,98022.4%

Units in structure

CountShare
1-unit, detached151,68870.0%
1-unit, attached10,8995.0%
2 to 4 units23,73311.0%
5 to 19 units13,5056.2%
20 or more units11,9075.5%
Mobile home & other4,9222.3%

Geography

County GEOID
25023
State
Massachusetts
Land area
659 sq mi
Water area
435 sq mi
Center point
41.9872, -70.7419

Cities & places

29

Compare with nearby counties

5

Massachusetts rankings

21

Other counties in Massachusetts

13