Plymouth County, MA demographics:
population, income, and more
Plymouth County population
How many people live in Plymouth County
Plymouth County is home to 535,075 residents, according to the most recent Census data. Gender-wise, 48.9% of Plymouth County locals are male, and 51.1% are female.
Age demographics
The median age in Plymouth County is 43, with the population distributed as follows: about 16.8% are children under 15, then 12.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 23.4% of the population, while another 27.9% fall into the 45 to 64 bracket. Finally, around 19.8% are 65 or older.
Racial makeup
In Plymouth County, 87.5% of the population are US-born citizens, while 8.1% have gained naturalized citizenship. At the same time, 4.4% of residents are non-citizens. As for race, 77% of locals are Caucasian, 8% are African American and 1.7% have Asian roots. There’s also a share of 8.7% that includes residents with two or more races.
Households in Plymouth County
A peek inside Plymouth County households
Plymouth County has 203,141 households, with an average of 3 members in each. Of these, 70% are families, while the remaining 30% are made up of individuals living alone or with non-relatives, such as roommates.
Households stats
Housing in Plymouth County
The housing landscape of Plymouth County
Plymouth County's housing consists of 218,096 units, with 69.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 5.2% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 2.3% of the housing landscape.
The age of buildings in Plymouth County
In Plymouth County, the median construction year is 1971. About 21.2% of homes were built before the 1940s, with another 5% going up by 1949. Most development happened in the second half of the 20th century. Then, 9% of homes were added from 2000 to 2009, 7.2% between 2010 and 2019, and 1.6% are part of the newest wave of development.
Plymouth County occupancy rates
Out of the 203,141 occupied housing units in Plymouth County, 77.6% are owner-occupied, while 22.4% are lived in by tenants. Meanwhile, 6.9% of all homes on the local market sit vacant.
Plymouth County housing costs
Housing costs in Plymouth County come to a median of $2,115 per month, while tenants specifically pay a median gross rent of $1,747.
Education in Plymouth County
Plymouth County education at a glance
About 31.8% of the population in Plymouth County went to high school, while 17.4% pursued college studies. Another 8.3% earned an associate degree and 24.9% hold a bachelor’s. Meanwhile, 14.6% went even further, earning a master’s or doctorate.
Income in Plymouth County
How much people earn in Plymouth County
The average annual household income in Plymouth County was $151,136 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +2.8% change from the previous year. At the same time, the median income stood at $114,201, reflecting a +4.1% shift over the same period.
Plymouth County income by age
In Plymouth County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $132,656. Those with someone between 45 and 64 in charge, often well established professionally, earn $141,961 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $51,957, while those led by someone over 65, many of whom may be retired, have about $73,775 in earnings. Overall, 92.9% of the locals in this community live above the poverty line.
Employment in Plymouth County
Workforce and job types in Plymouth County
The job market in Plymouth County is powered by 277,193 working residents, spread across a range of industries and roles. 81.7% of the working population are employed in professional or administrative positions, while 18.3% are in hands-on or service-based jobs. Also, 9.6% run their own businesses, 65.2% are employed by private companies, and 14.6% work in the public sector.
Workforce demographics
Available workforce
The unemployment rate in Plymouth County stands at 5.1%, representing the share of the workforce currently without a job and actively looking for one.
Transportation in Plymouth County
How people get around in Plymouth County
In Plymouth County, the average commute time is 32 minutes. Commuting methods vary: 77.6% of residents travel by personal vehicle and 1.5% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.
What is the median and average household income in Plymouth County by zipcode?
| Zipcode | Population | Number of households | Median income | Average income |
|---|---|---|---|---|
| 02043 | 24,283 | 9,689 | $178,390 | $265,654 |
| 02045 | 10,138 | 4,709 | $115,485 | $164,954 |
| 02047 | 182 | 76 | $106,333 | $137,830 |
| 02050 | 25,963 | 10,446 | $126,241 | $160,647 |
| 02061 | 11,361 | 3,685 | $188,699 | $242,067 |
| 02066 | 19,099 | 7,599 | $136,689 | $212,652 |
| 02301 | 68,969 | 23,726 | $74,214 | $101,593 |
| 02302 | 36,417 | 12,316 | $92,274 | $115,001 |
| 02324 | 25,704 | 9,107 | $112,726 | $140,298 |
| 02330 | 11,712 | 4,704 | $91,250 | $126,531 |
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FAQs about Plymouth County demographics
What is the total population of Plymouth County?
What is the gender ratio in Plymouth County?
- 48.9% males (261,787 residents)
- 51.1% females (273,288 residents)
What is the median age in Plymouth County?
What is the age distribution of the population in Plymouth County?
- Under 15: 16.8% (89,656 residents)
- Ages 15-24: 12.2% (65,108 residents)
- Ages 25-44: 23.4% (125,307 residents)
- Ages 45-64: 27.9% (149,264 residents)
- Over 65: 19.8% (105,740 residents)
What is the racial and ethnic makeup of Plymouth County?
- White: 77% (411,816 residents)
- Black or African American: 8% (42,910 residents)
- American Indian and Alaska Native: 0.2% (801 residents)
- Asian: 1.7% (8,987 residents)
- Native Hawaiian and Other Pacific Islander: 0% (207 residents)
- Two or More Races: 8.7% (46,631 residents)
- Other: 4.4% (23,723 residents)
What percentage of the population in Plymouth County are U.S.-born citizens?
How many housing units are there in Plymouth County?
How many households are in Plymouth County and what is the average household size?
What is the median household income in Plymouth County?
What is the employment rate and job market overview for Plymouth County?
Job types:
- White-collar workers: 81.7% (226,568 residents)
- Blue-collar workers: 18.3% (50,625 residents)
Places of employment:
- Self-employed: 9.6% (26,485 residents)
- Private companies: 65.2% (180,741 residents)
- Governmental workers: 14.6% (40,518 residents)
- Not-for-profit companies: 10.6% (29,449 residents)
Data source & methodology
The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.
The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.
No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.