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COUNTY

Washtenaw County

Michigan · 370,214 residents (2025 est.) · 706.003 sq mi
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The short version

Washtenaw County has roughly average household income, with a median household income of $89,180. Population has held roughly steady since 2000. 59% of adults hold a bachelor's degree or higher, well above the national rate of 36%. Median home value has more than doubled since 2000, reaching $374,100. It ranks in the top 5% of US counties for household income.

At a glance
Wealthier
above the US median
US median: $82,259
Younger
median age 35.0
US median: 38.9
More educated
59% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01

Population & growth

369,822
+15%since 2000
from 322,895 in 2000
1990 – 2025
524 / sq mi
+7%since 2009
from 490 / sq mi in 2009
US average: 281
35.0
+12%since 2000
from 31.3 in 2000
US average: 38.9

PEP 2025 EST:370,214 residents (Census Bureau Vintage 2025, released March 2026)

Population, 19902024
274K301K328K355K381K1990201020202024Washtenaw County
2024370K
1990201020202024
Age distribution, 2024
Under 54.6%(16,941)
US avg: 5.6%
5 to 94.8%(17,765)
US avg: 6%
10 to 145.4%(20,143)
US avg: 6.4%
15 to 198.9%(32,937)
US avg: 6.6%
20 to 2412.1%(44,712)
US avg: 6.5%
25 to 3414.2%(52,469)
US avg: 13.7%
35 to 4412%(44,359)
US avg: 13.2%
45 to 5411.1%(40,962)
US avg: 12.2%
55 to 6411.2%(41,292)
US avg: 12.7%
65 to 749.4%(34,649)
US avg: 10.2%
75 to 844.7%(17,377)
US avg: 5.1%
85 and over1.7%(6,216)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$89,180
−6%inflation adjusted, since 2000
from $51,990 in 2000
US average: $82,259
1990 – 2024
$52,714
+94%since 2000
from $27,173 in 2000
US average: $44,673
Households earning $100K+
56.6%
+17.7 ptssince 2009
from 39.0% in 2009
US average: 53.3%
14.2%
+3.1 ptssince 2000
from 11.1% in 2000
US average: 12.5%
0.487
+5%since 2010
from 0.463 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade12.5%
US avg: 9.9%
Information7.9%
US avg: 10.8%
Other services4.1%
US avg: 6.7%
Wholesale trade3.4%
US avg: 6.9%
Finance & insurance3%
US avg: 5.9%
Public administration2.8%
US avg: 4.8%
Professional, scientific, technical2.5%
US avg: 5.1%
Arts, entertainment, food1.5%
US avg: 1.9%
Transportation & warehousing1.4%
US avg: 2.2%
Education & health services0.5%
US avg: 0.9%
Agriculture, forestry, fishing0.5%
US avg: 1.6%
Construction0.5%
US avg: 1.2%
Manufacturing0%
US avg: 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$374,100
+21%inflation adjusted, since 2000
from $170,100 in 2000
US average: $376,019
1990 – 2024
$1,463
+17%inflation adjusted, since 2000
from $687 in 2000
US average: $1,442
61.6%
+1.9 ptssince 2000
from 59.7% in 2000
38.4% rent
5.8%
−2.9 ptssince 2009
from 8.6% in 2009
US average: 10.0%
19.9%
−8.8 ptssince 2009
from 28.6% in 2009
US average: 22.9%
52.8%
−3.7 ptssince 2009
from 56.5% in 2009
US average: 47.4%
4.2
+11%since 2009
from 3.8 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
58
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Washtenaw County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic75.9%(245,033)
Black12.2%(39,326)
Hispanic / Latino2.7%(8,839)
Asian6.3%(20,270)
Other0%
2024
White, non-Hispanic67.2%(248,370)
Black11.3%(41,665)
Hispanic / Latino5.8%(21,403)
Asian9.2%(34,078)
Other6.6%(24,306)
65
+21%since 2009
from 54 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
35
Unchangedsince 2020
from 35 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican2.7%(10,017)
Central American0.9%(3,310)
South American0.7%(2,610)
Puerto Rican0.6%(2,398)
Guatemalan0.3%(1,278)
Colombian0.3%(943)
Honduran0.2%(754)
Spaniard0.2%(728)
Cuban0.2%(649)
Salvadoran0.2%(634)
Venezuelan0.1%(375)
Costa Rican0.1%(354)
+ 10 more hispanic origin groups with data
Peruvian0.1%(354)
Chilean0.1%(345)
Argentine0.1%(203)
Panamanian0.1%(185)
Ecuadorian0%(152)
Dominican0%(130)
Uruguayan0%(71)
Bolivian0%(62)
Asian origin
Chinese3.3%(12,203)
Asian Indian2.4%(8,748)
Korean1.2%(4,322)
Filipino0.4%(1,372)
Taiwanese0.4%(1,358)
Japanese0.3%(1,239)
Vietnamese0.3%(1,115)
Pakistani0.2%(786)
Bangladeshi0.1%(541)
Kazakh0.1%(357)
Nepalese0.1%(221)
Thai0.1%(196)
+ 9 more asian origin groups with data
Indonesian0%(122)
Burmese0%(108)
Cambodian0%(70)
Hmong0%(65)
Laotian0%(58)
Mongolian0%(26)
Malaysian0%(15)
Pacific Islander origin
Samoan0.1%(200)
Chamorro0%(90)
Ancestry
German17.3%(63,844)
English11.5%(42,394)
Irish10.2%(37,837)
Polish6.2%(22,781)
American4.6%(16,921)
Italian4.5%(16,624)
Scottish2.8%(10,518)
French2.5%(9,390)
Arab2.1%(7,872)
Dutch2.1%(7,696)
Swedish1.2%(4,383)
Russian1.2%(4,318)
+ 50 more ancestry groups with data
Hungarian1%(3,573)
Norwegian1%(3,564)
Scotch-Irish0.8%(2,917)
French Canadian0.8%(2,823)
Finnish0.7%(2,656)
Ukrainian0.6%(2,315)
British0.6%(2,271)
Welsh0.6%(2,234)
Greek0.6%(2,186)
Romanian0.5%(1,768)
Czech0.5%(1,667)
Lebanese0.4%(1,531)
Lithuanian0.4%(1,422)
Danish0.4%(1,359)
West Indian0.4%(1,340)
Austrian0.3%(1,260)
Swiss0.3%(1,163)
Canadian0.3%(1,116)
Iranian0.3%(1,055)
Belgian0.2%(877)
Armenian0.2%(803)
Jordanian0.2%(789)
Slovak0.2%(777)
Nigerian0.2%(771)
Iraqi0.2%(717)
Syrian0.2%(709)
Egyptian0.2%(656)
Croatian0.2%(632)
Portuguese0.2%(565)
Palestinian0.2%(562)
Jamaican0.1%(537)
Turkish0.1%(527)
Ethiopian0.1%(526)
Brazilian0.1%(450)
Slovene0.1%(309)
Serbian0.1%(278)
Moroccan0.1%(259)
Latvian0.1%(237)
Haitian0.1%(187)
Israeli0.1%(185)
Ghanaian0%(150)
Bulgarian0%(142)
Macedonian0%(133)
Australian0%(113)
Kenyan0%(107)
Somali0%(71)
Guyanese0%(18)
RANKED:Largest German population · Largest English population · Largest Irish population · Largest Polish population · Largest American population
Section 05

Education

58.7%
+10.6 ptssince 2000
from 48.1% in 2000
US average: 35.6%
High school or higher
96.0%
+4.5 ptssince 2000
from 91.5% in 2000
US average: 89.6%
31.5%
+7.7 ptssince 2000
from 23.8% in 2000
US average: 14.0%
Section 06

Commute & transportation

23.5 min
+61%since 2000
from 14.6 min in 2000
US average: 26.5
59.4%
−15.4 ptssince 2009
from 74.8% in 2009
US average: 68.9%
6.8%
−1.3 ptssince 2009
from 8.0% in 2009
US average: 8.5%
3.7%
−0.1 ptssince 2009
from 3.7% in 2009
US average: 3.2%
22.6%
+17.6 ptssince 2009
from 5.0% in 2009
US average: 15.0%
5.6%
−0.8 ptssince 2009
from 6.5% in 2009
US average: 2.4%
1.0%
−0.4 ptssince 2009
from 1.3% in 2009
US average: 0.4%
8.2%
+1.5 ptssince 2009
from 6.6% in 2009
US average: 8.3%
Section 07

Work & employment

4.6%
−4.2 ptssince 2011
from 8.8% in 2011
US average: 5.2%
63.0%
−2.8 ptssince 2011
from 65.8% in 2011
US average: 63.5%
17.3%
−0.3 ptssince 2009
from 17.7% in 2009
US average: 13.1%
57.9%
−16.2 ptssince 2009
from 74.1% in 2009
US average: 42.5%
Section 08

People & community

49.9%
Unchangedsince 2009
from 49.9% in 2009
50.1%
Unchangedsince 2009
from 50.1% in 2009
13.1%
+2.1 ptssince 2009
from 10.9% in 2009
US average: 14.1%
4.0%
−45.4 ptssince 2009
from 49.4% in 2009
US average: 6.2%
10.6%
+2.1 ptssince 2012
from 8.5% in 2012
US average: 13.3%
3.3%
−89.0 ptssince 2013
from 92.3% in 2013
US average: 8.4%
94.1%
+8.7 ptssince 2017
from 85.4% in 2017
US average: 91.0%
84.3%
−1.0 ptssince 2016
from 85.4% in 2016
US average: 77.7%
3.4%
+0.5 ptssince 2016
from 2.8% in 2016
US average: 13.6%
Marital status
Men 15+
Never married45.3%(70,809)
Married46.4%(72,520)
Widowed1.7%(2,691)
Divorced6.7%(10,409)
Women 15+
Never married39.9%(63,325)
Married44.1%(69,929)
Widowed6.2%(9,868)
Divorced9.7%(15,422)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Frequently asked

How many people live in Washtenaw County, Michigan?

Washtenaw County, Michigan has about 369,822 residents according to the 2024 American Community Survey.

What is the median household income in Washtenaw County, Michigan?

The typical household in Washtenaw County, Michigan earns about $89,180 a year. Half of households make more than that, and half make less.

Is Washtenaw County, Michigan expensive?

In Washtenaw County, Michigan, the median home is worth about $374,100, and the typical rent is about $1,463 a month.

How educated are people in Washtenaw County, Michigan?

About 58.7% of adults age 25 and over in Washtenaw County, Michigan hold a bachelor's degree or higher.

What is the poverty rate in Washtenaw County, Michigan?

About 14.2% of people in Washtenaw County, Michigan live below the federal poverty line.

Has Washtenaw County, Michigan grown since 1990?

Yes, Washtenaw County, Michigan has grown since 1990. The population has added about 86,885 residents, a change of about 31 percent over that period.

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

How we source and harmonize this data →