Washtenaw County, MI demographics:
population, income, and more

Total population
369,822
0.4% year-over-year change
Median household income
$89,180/yr
2.3% year-over-year change
Housing units
159,782
1.1% year-over-year change

Washtenaw County population

How many people live in Washtenaw County

Washtenaw County is home to 369,822 residents, according to the most recent Census data. Gender-wise, 49.9% of Washtenaw County locals are male, and 50.1% are female.

Total population
369,822
0.4% year-over-year change
Gender ratio
Male
49.9%
184,472
Female
50.1%
185,350
Value Percent YoY change
Male 184,472 49.9% 0.4%
Female 185,350 50.1% 0.4%
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 Washtenaw County is 35, with the population distributed as follows: about 14.8% are children under 15, then 21% are in the 15 to 24 age group. Adults between 25 and 44 make up 26.2% of the population, while another 22.2% fall into the 45 to 64 bracket. Finally, around 15.8% are 65 or older.

Median age
35
Age breakdown
Under 15
14.8%
15 to 24
21%
25 to 44
26.2%
45 to 64
22.2%
Over 65
15.8%
Value Percent YoY change
Under 15 54,849 14.8% -0.5%
15 to 24 77,649 21% 0.1%
25 to 44 96,828 26.2% 0.7%
45 to 64 82,254 22.2% -1.2%
Over 65 58,242 15.8% 3.5%
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 Washtenaw County, 85.7% of the population are US-born citizens, while 7.8% have gained naturalized citizenship. At the same time, 6.6% of residents are non-citizens. As for race, 68.7% of locals are Caucasian, 11.5% are African American and 9.2% have Asian roots. There’s also a share of 8.4% that includes residents with two or more races.

Citizenship
U.S.-born citizens
85.7%
Non-U.S.-born citizens
7.8%
Non-citizens
6.6%
Value Percent YoY change
U.S.-born citizens 316,922 85.7% 0.2%
Non-U.S.-born citizens 28,677 7.8% 0.9%
Non-citizens 24,223 6.6% 2.5%
Racial breakdown
White
68.7%
Black or African American
11.5%
American Indian and Alaska Native
0.3%
Asian
9.2%
Native Hawaiian and other Pacific Islander
0%
Two or more races
8.4%
Other
1.9%
Value Percent
White 253,992 68.7%
Black or African American 42,421 11.5%
American Indian and Alaska Native 1,007 0.3%
Asian 34,148 9.2%
Native Hawaiian and other Pacific Islander 110 0%
Two or more races 31,227 8.4%
Other 6,917 1.9%

Households in Washtenaw County

A peek inside Washtenaw County households

Washtenaw County has 150,550 households, with an average of 2 members in each. Of these, 56% are families, while the remaining 44% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
150,550
0.9% year-over-year change
Average people per household
2
Non-family households
66,283
Family households
84,267
Value Percent YoY change
Non-family households 66,283 44% 2.0%
Family households 84,267 56% 0.0%
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 Washtenaw County

The housing landscape of Washtenaw County

Washtenaw County's housing consists of 159,782 units, with 56.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 7.6% 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 3.7% of the housing landscape.

Housing units
159,782
1.1% year-over-year change
Housing types
Value Percent
1 unit, detached 90,574 56.7%
1 unit, attached 12,109 7.6%
2 units 3,722 2.3%
3 or 4 units 6,417 4%
5 to 9 units 15,256 9.6%
10 to 19 units 11,647 7.3%
20 to 49 units 5,205 3.3%
50 or more units 8,875 5.6%
Mobile home 5,977 3.7%
Homes built since 2020
3,224
66.6% year-over-year change

The age of buildings in Washtenaw County

In Washtenaw County, the median construction year is 1978. About 11.6% of homes were built before the 1940s, with another 4.4% going up by 1949. Most development happened in the second half of the 20th century. Then, 13.3% of homes were added from 2000 to 2009, 6.6% between 2010 and 2019, and 2% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 18,454 11.6% -1.1%
Built between 1940 and 1949 6,989 4.4% 2.8%
Built between 1950 and 1959 14,584 9.1% 1.0%
Built between 1960 and 1969 19,853 12.4% 2.1%
Built between 1970 and 1979 24,021 15% -1.1%
Built between 1980 and 1989 16,102 10.1% -2.6%
Built between 1990 and 1999 24,743 15.5% -2.2%
Built between 2000 and 2009 21,181 13.3% 2.7%
Built between 2010 and 2019 10,631 6.6% 5.1%
Built in 2020 or later 3,224 2% 66.6%
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.

Washtenaw County occupancy rates

Out of the 150,550 occupied housing units in Washtenaw County, 61.6% are owner-occupied, while 38.4% are lived in by tenants. Meanwhile, 5.8% of all homes on the local market sit vacant.

Occupied housing units
150,550
0.9% year-over-year change
Occupancy breakdown
Renter occupied
57,782
Owner occupied
92,768
Value Percent YoY
change
Renter occupied 57,782 38.4% 0.9%
Owner occupied 92,768 61.6% 0.8%
Unoccupied housing units
5.8%
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.

Washtenaw County housing costs

Housing costs in Washtenaw County come to a median of $1,551 per month, while tenants specifically pay a median gross rent of $1,463.

Median housing costs per month
$1,551/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 Washtenaw County
$1,463/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 Washtenaw County

Washtenaw County education at a glance

About 18.8% of the population in Washtenaw County went to high school, while 22.9% pursued college studies. Another 5.9% earned an associate degree and 25.8% hold a bachelor’s. Meanwhile, 25.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 4,101 1.4% 1.4%
High school diploma 56,709 18.8% 2.0%
College diploma 69,283 22.9% -2.8%
Associate degree 17,867 5.9% -1.0%
Bachelor's degree 78,127 25.8% 1.6%
Graduate degree 76,261 25.2% 1.9%
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 Washtenaw County

How much people earn in Washtenaw County

The average annual household income in Washtenaw County was $124,712 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.5% change from the previous year. At the same time, the median income stood at $89,180, reflecting a +2.3% shift over the same period.

Average household income in Washtenaw County
$124,712/year
1.5% year-over-year change
Median household income in Washtenaw County
$89,180/year
2.3% year-over-year change

Washtenaw County income by age

In Washtenaw County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $93,428. Those with someone between 45 and 64 in charge, often well established professionally, earn $126,418 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $34,778, while those led by someone over 65, many of whom may be retired, have about $77,170 in earnings. Overall, 85.8% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $34,778 3.4%
25 - 44 $93,428 0.7%
45 - 64 $126,418 5.5%
Over 65 $77,170 -0.4%
Above poverty level
298,882
Below poverty level
49,442
Value Percent YoY
change
Above poverty level 298,882 85.8% 0.4%
Below poverty level 49,442 14.2% 2.8%

Employment in Washtenaw County

Workforce and job types in Washtenaw County

The job market in Washtenaw County is powered by 186,913 working residents, spread across a range of industries and roles. 87.3% of the working population are employed in professional or administrative positions, while 12.7% are in hands-on or service-based jobs. Also, 9.3% run their own businesses, 57.1% are employed by private companies, and 19.1% work in the public sector.

Workforce demographics

Working population
186,913
-0.2% year-over-year change
White collar
163,092
Blue collar
23,821
Value Percent YoY change
White collar 163,092 87.3% 0.0%
Blue collar 23,821 12.7% -1.9%
Employer type
Self employees
9.3%
Private companies
57.1%
Governmental workers
19.1%
Not for profit companies
14.5%
Value Percent YoY change
Self employees 17,454 9.3% 0.9%
Private companies 106,690 57.1% 0.2%
Governmental workers 35,686 19.1% -1.4%
Not for profit companies 27,083 14.5% -1.4%
Unemployment rate
4.6%
5.1% year-over-year change

Available workforce

The unemployment rate in Washtenaw County stands at 4.6%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Washtenaw County

How people get around in Washtenaw County

Commuting methods vary: 66.2% of residents travel by personal vehicle and 5.6% 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 120,863 66.2% -3.1%
Taxicab 201 0.1% 55.8%
Bus or trolleybus 6,634 3.6% -2.1%
Subway or elevated 36 0% N/A
Railroad 45 0% 2.3%
Ferryboat 7 0% 0.0%
Motorcycle 106 0.1% 47.2%
Bicycle 1,789 1% -4.4%
Walk 10,254 5.6% -3.7%
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 Washtenaw County by zipcode?

Zipcode Population Number of households Median income Average income
48130 16,986 6,268 $129,254 $176,049
48137 4,157 1,857 $78,973 $92,218
48158 7,770 3,149 $94,784 $119,603
48160 13,972 4,947 $103,453 $115,750
48103 55,054 24,258 $116,194 $156,697
48104 43,979 17,526 $64,231 $118,212
48105 37,048 15,689 $94,774 $151,453
48108 27,666 12,347 $89,355 $124,686
48109 5,939 156 $14,093 $14,289
48118 13,246 5,733 $88,278 $119,861

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FAQs about Washtenaw County demographics 

What is the total population of Washtenaw County?

Washtenaw County has a total population of 369,822 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 +0.4% compared to a year ago.

What is the gender ratio in Washtenaw County?

The gender ratio in Washtenaw County is as follows:
  • 49.9% males (184,472 residents)
  • 50.1% females (185,350 residents)

What is the median age in Washtenaw County?

The median age in Washtenaw County is 35.

What is the age distribution of the population in Washtenaw County?

The age distribution in Washtenaw County is as follows:
  • Under 15: 14.8% (54,849 residents)
  • Ages 15-24: 21% (77,649 residents)
  • Ages 25-44: 26.2% (96,828 residents)
  • Ages 45-64: 22.2% (82,254 residents)
  • Over 65: 15.8% (58,242 residents)

What is the racial and ethnic makeup of Washtenaw County?

The racial and ethnic makeup of Washtenaw County is as follows:
  • White: 68.7% (253,992 residents)
  • Black or African American: 11.5% (42,421 residents)
  • American Indian and Alaska Native: 0.3% (1,007 residents)
  • Asian: 9.2% (34,148 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (110 residents)
  • Two or More Races: 8.4% (31,227 residents)
  • Other: 1.9% (6,917 residents)

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

U.S.-born citizens represent 85.7% of the population in Washtenaw County.

How many housing units are there in Washtenaw County?

There are 159,782 housing units in Washtenaw County, reflecting a +1.1% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Washtenaw County has a total of 150,550 households, with an average of 2 people in each.

What is the median household income in Washtenaw County?

Washtenaw County has a median household income of $89,180, representing a +2.3% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Washtenaw County?

The employment rate is 95.4% in Washtenaw County, with a workforce of 186,913 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 87.3% (163,092 residents)
  • Blue-collar workers: 12.7% (23,821 residents)

Places of employment:
  • Self-employed: 9.3% (17,454 residents)
  • Private companies: 57.1% (106,690 residents)
  • Governmental workers: 19.1% (35,686 residents)
  • Not-for-profit companies: 14.5% (27,083 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