Plymouth Township, MI demographics:
population, income, and more

Total population
18,608
-1.2% year-over-year change
Median household income
$114,278/yr
4.4% year-over-year change
Housing units
8,424
-0.2% year-over-year change

Plymouth population

How many people live in Plymouth

Plymouth is home to 18,608 residents, according to the most recent Census data. Gender-wise, 49.6% of Plymouth locals are male, and 50.4% are female.

Total population
18,608
-1.2% year-over-year change
Gender ratio
Male
49.6%
9,238
Female
50.4%
9,369
Value Percent YoY change
Male 9,238 49.6% -0.5%
Female 9,369 50.4% -2.0%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Plymouth is 46, with the population distributed as follows: about 16.3% are children under 15, then 9.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 23.2% of the population, while another 28.5% fall into the 45 to 64 bracket. Finally, around 22.1% are 65 or older.

Median age
45.6
Age breakdown
Under 15
16.3%
15 to 24
9.8%
25 to 44
23.2%
45 to 64
28.5%
Over 65
22.1%
Value Percent YoY change
Under 15 3,040 16.3% -4.2%
15 to 24 1,826 9.8% 3.2%
25 to 44 4,327 23.2% -0.2%
45 to 64 5,296 28.5% -4.7%
Over 65 4,118 22.1% 2.9%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Plymouth, 92.2% of the population are US-born citizens, while 5.4% have gained naturalized citizenship. At the same time, 2.4% of residents are non-citizens. As for race, 86.4% of locals are Caucasian, 2.5% are African American and 4.3% have Asian roots. There’s also a share of 5.7% that includes residents with two or more races.

Citizenship
U.S.-born citizens
92.2%
Non-U.S.-born citizens
5.4%
Non-citizens
2.4%
Value Percent YoY change
U.S.-born citizens 17,147 92.2% -1.9%
Non-U.S.-born citizens 1,008 5.4% 9.3%
Non-citizens 453 2.4% 1.8%
Racial breakdown
White
86.4%
Black or African American
2.5%
American Indian and Alaska Native
0.2%
Asian
4.3%
Native Hawaiian and other Pacific Islander
0%
Two or more races
5.7%
Other
1%
Value Percent
White 16,074 86.4%
Black or African American 465 2.5%
American Indian and Alaska Native 30 0.2%
Asian 804 4.3%
Two or more races 1,055 5.7%
Other 180 1%

Households in Plymouth

A peek inside Plymouth households

Plymouth has 8,036 households, with an average of 2 members in each. Of these, 63.7% are families, while the remaining 36.4% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
8,036
-0.4% year-over-year change
Average people per household
2
Non-family households
2,921
Family households
5,116
Value Percent YoY change
Non-family households 2,921 36.4% 0.1%
Family households 5,116 63.7% -0.6%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Plymouth

The housing landscape of Plymouth

Plymouth's housing consists of 8,424 units, with 67.9% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 6.7% 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 4.3% of the housing landscape.

Housing units
8,424
-0.2% year-over-year change
Housing types
Value Percent
1 unit, detached 5,724 67.9%
1 unit, attached 567 6.7%
2 units 96 1.1%
3 or 4 units 377 4.5%
5 to 9 units 533 6.3%
10 to 19 units 314 3.7%
20 to 49 units 124 1.5%
50 or more units 323 3.8%
Mobile home 361 4.3%
Boat, RV, van, etc. 6 0.1%
Homes built since 2020
124
61.0% year-over-year change

The age of buildings in Plymouth

In Plymouth, the median construction year is 1975. About 9.8% of homes were built before the 1940s, with another 4.9% going up by 1949. Most development happened in the second half of the 20th century. Then, 7.7% of homes were added from 2000 to 2009, 4.5% between 2010 and 2019, and 1.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 829 9.8% -4.3%
Built between 1940 and 1949 411 4.9% -7.4%
Built between 1950 and 1959 719 8.5% -1.1%
Built between 1960 and 1969 1,363 16.2% 1.7%
Built between 1970 and 1979 1,822 21.6% -0.6%
Built between 1980 and 1989 908 10.8% -0.4%
Built between 1990 and 1999 1,225 14.5% 1.1%
Built between 2000 and 2009 646 7.7% 0.2%
Built between 2010 and 2019 376 4.5% -3.1%
Built in 2020 or later 124 1.5% 61.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Plymouth occupancy rates

Out of the 8,036 occupied housing units in Plymouth, 79.6% are owner-occupied, while 20.4% are lived in by tenants. Meanwhile, 4.6% of all homes on the local market sit vacant.

Occupied housing units
8,036
-0.4% year-over-year change
Occupancy breakdown
Renter occupied
1,640
Owner occupied
6,396
Value Percent YoY
change
Renter occupied 1,640 20.4% -5.4%
Owner occupied 6,396 79.6% 1.0%
Unoccupied housing units
4.6%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Plymouth housing costs

Housing costs in Plymouth come to a median of $1,460 per month, while tenants specifically pay a median gross rent of $1,227.

Median housing costs per month
$1,460/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Plymouth
$1,227/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Plymouth

Plymouth education at a glance

About 19.1% of the population in Plymouth went to high school, while 15.1% pursued college studies. Another 7.2% earned an associate degree and 33% hold a bachelor’s. Meanwhile, 24.5% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 165 1.1% 18.7%
High school diploma 2,822 19.1% -1.6%
College diploma 2,221 15.1% -9.8%
Associate degree 1,069 7.2% 8.9%
Bachelor's degree 4,859 33% -2.8%
Graduate degree 3,607 24.5% 5.6%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Plymouth

How much people earn in Plymouth

The average annual household income in Plymouth was $153,272 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +5% change from the previous year. At the same time, the median income stood at $114,278, reflecting a +4.4% shift over the same period.

Average household income in Plymouth
$153,272/year
5.0% year-over-year change
Median household income in Plymouth
$114,278/year
4.4% year-over-year change

Plymouth income by age

In Plymouth, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $138,125. Those with someone between 45 and 64 in charge, often well established professionally, earn $144,972 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $33,859, while those led by someone over 65, many of whom may be retired, have about $77,793 in earnings. Overall, 95.6% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $33,859 -12.1%
25 - 44 $138,125 2.4%
45 - 64 $144,972 8.6%
Over 65 $77,793 12.8%
Above poverty level
17,473
Below poverty level
800
Value Percent YoY
change
Above poverty level 17,473 95.6% -1.8%
Below poverty level 800 4.4% 10.7%

Average renter income in Plymouth

To get a better sense of what renters earn on average in Plymouth, their median household income was $56,731 according to 2022 Census data. In addition, the rent-to-income ratio in the area, at 26%, shows what portion of their earnings goes toward housing expenses.

Renter median household income
$56,731
Rent-to-income ratio
26%
Understanding the rent-to-income ratio can help renters gauge if local housing costs align with their earnings. A ratio under 30% usually signals affordability, while exceeding this mark means rent is taking a larger-than-recommended bite out of income. That could make it harder for you to cover other costs like transportation, healthcare, or child care.

Employment in Plymouth

Workforce and job types in Plymouth

89.5% of the working population are employed in professional or administrative positions, while 10.5% are in hands-on or service-based jobs. Also, 10.2% run their own businesses, 68.3% are employed by private companies, and 11.7% work in the public sector.

Workforce demographics

White collar
8,337
Blue collar
975
Value Percent YoY change
White collar 8,337 89.5% 0.0%
Blue collar 975 10.5% -4.0%
Employer type
Self employees
10.2%
Private companies
68.3%
Governmental workers
11.7%
Not for profit companies
9.8%
Value Percent YoY change
Self employees 946 10.2% -9.7%
Private companies 6,357 68.3% 2.8%
Governmental workers 1,093 11.7% -2.7%
Not for profit companies 916 9.8% -8.2%

Transportation in Plymouth

How people get around in Plymouth

Commuting methods vary: 96.5% of residents travel by personal vehicle and 3.1% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 6,552 96.5% -3.0%
Taxicab 4 0.1% -33.3%
Bus or trolleybus 9 0.1% 0.0%
Bicycle 15 0.2% -62.5%
Walk 208 3.1% 22.4%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Plymouth by zipcode?

Zipcode Population Number of households Median income Average income
48170 40,076 17,308 $114,278 $153,595

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FAQs about Plymouth demographics 

What is the total population of Plymouth?

Plymouth has a total population of 18,608 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -1.2% compared to a year ago.

What is the gender ratio in Plymouth?

The gender ratio in Plymouth is as follows:
  • 49.6% males (9,238 residents)
  • 50.4% females (9,369 residents)

What is the median age in Plymouth?

The median age in Plymouth is 45.6.

What is the age distribution of the population in Plymouth?

The age distribution in Plymouth is as follows:
  • Under 15: 16.3% (3,040 residents)
  • Ages 15-24: 9.8% (1,826 residents)
  • Ages 25-44: 23.2% (4,327 residents)
  • Ages 45-64: 28.5% (5,296 residents)
  • Over 65: 22.1% (4,118 residents)

What is the racial and ethnic makeup of Plymouth?

The racial and ethnic makeup of Plymouth is as follows:
  • White: 86.4% (16,074 residents)
  • Black or African American: 2.5% (465 residents)
  • American Indian and Alaska Native: 0.2% (30 residents)
  • Asian: 4.3% (804 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 5.7% (1,055 residents)
  • Other: 1% (180 residents)

What percentage of the population in Plymouth are U.S.-born citizens?

U.S.-born citizens represent 92.2% of the population in Plymouth.

How many housing units are there in Plymouth?

There are 8,424 housing units in Plymouth, reflecting a -0.2% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Plymouth and what is the average household size?

Plymouth has a total of 8,036 households, with an average of 2 people in each.

What is the median household income in Plymouth?

Plymouth has a median household income of $114,278, representing a +4.4% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Plymouth?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 89.5% (8,337 residents)
  • Blue-collar workers: 10.5% (975 residents)

Places of employment:
  • Self-employed: 10.2% (946 residents)
  • Private companies: 68.3% (6,357 residents)
  • Governmental workers: 11.7% (1,093 residents)
  • Not-for-profit companies: 9.8% (916 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.

Page last updated: September 2025