Washtenaw County, Michigan Population 2024

369,132

Washtenaw County, Michigan's estimated 2024 population is 369,132 with a growth rate of 0.37% in the past year according to the most recent United States census data. Washtenaw County, Michigan is the 6th largest county in Michigan. The 2010 population was 345,980 and has seen a growth of 6.69% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029376,0221,3780.37%
2028374,6441,3780.37%
2027373,2661,3780.37%
2026371,8881,3780.37%
2025370,5101,3780.37%
2024369,1321,3780.37%
2023367,7541,3780.38%
2022366,3761,3780.38%
2021364,998-6,819-1.83%
2020371,8173,5750.97%
2019368,242-2,306-0.62%
2018370,5488450.23%
2017369,7032,7430.75%
2016366,9603,4050.94%
2015363,5553,0320.84%
2014360,5234,0491.14%
2013356,4743,7891.07%
2012352,6852,6130.75%
2011350,0724,0921.18%
2010345,980
1990282,93718,1896.87%
1980264,74830,64513.09%
1970234,10361,66335.76%
1960172,44037,83428.11%
1950134,60653,79666.57%
194080,81015,28023.32%
193065,53016,01032.33%
192049,5204,80610.75%
191044,714-3,047-6.38%
190047,7615,55113.15%
189042,2103620.87%
188041,8484141%
187041,4345,74816.11%
186035,6867,11924.92%
185028,5674,99621.2%
184023,57119,529483.15%
18304,042-371,980-98.93%
showing: 37 rows
2024 Growth Rate
0.37% (1,378)
County Website
Washtenaw County
County Seat
2020 Population
371,817
Area
706 mi²
Density
523 people/mi²
Growth Since 2020
-0.72% (-2,685)
Founded
1822

Washtenaw County, Michigan Population 2024

Population by Race

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Race
Population
Percentage (of total)
White262,17270.81%
Black or African American42,89511.59%
Asian33,9339.17%
Two or more races24,6846.67%
Other race5,5551.5%
Native American8550.23%
Native Hawaiian or Pacific Islander1370.04%
showing: 7 rows

White

Black or African American

Asian

Two or more races

Other race

Native American

Native Hawaiian or Pacific Islander

Washtenaw County, Michigan Population by Race

Washtenaw County, Michigan Population Pyramid 2024

Washtenaw County, Michigan Median Age

34.4

Total

33.4

Male

35.4

Female

Washtenaw County, Michigan Adults

There are 302,635 adults, (54,677 of whom are seniors) in Washtenaw County, Michigan.

Washtenaw County, Michigan Age Dependency

49.3

Age Dependency Ratio

22.1

Old Age Dependency Ratio

27.3

Child Dependency Ratio

Washtenaw County, Michigan Sex Ratio

Female185,13450%
Male185,09750%

Washtenaw County, Michigan Population by Age

Washtenaw County, Michigan Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All148,7042.3561.238.8
Married66,2313.0384.615.4
Non Family64,4761.4738.961.1
Female12,5613.0652.747.3
Male5,4362.9160.239.8
showing: 5 rows

2.97

Average Family Size

2.35

Average Household Size

61.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Washtenaw County, Michigan Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Washtenaw County, Michigan Educational Attainment by Sex (over 25)

Washtenaw County, Michigan Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 97.24%.

The highest rate of bachelors degrees is among asian people with a rate of 82.42%.

Washtenaw County, Michigan Educational Attainment by Race

All

Male

Female

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$55,853

Average Earnings

$66,058

Average Male

$46,386

Average Female

Washtenaw County, Michigan Earnings by Educational Attainment

Washtenaw County, Michigan Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Washtenaw County, Michigan Language

84.94% of Washtenaw County, Michigan residents speak only English, while 15.06% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 5.61% of the population.

Washtenaw County, Michigan Language

Washtenaw County, Michigan Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White242,78228,10311.58%
Black40,2758,34120.71%
Asian30,4225,80019.07%
Multiple23,6463,56515.08%
Hispanic17,7472,94716.61%
Other5,45098918.15%
Native78110313.19%
Islander13564.44%
showing: 8 rows

13.79%

Overall Poverty Rate

13.08%

Male Poverty Rate

14.5%

Female Poverty Rate

Poverty in Washtenaw County, Michigan

The race most likely to be in poverty in Washtenaw County, Michigan is Black, with 20.71% below the poverty level.

The race least likely to be in poverty in Washtenaw County, Michigan is Islander, with 4.44% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.18%. Among those working part-time, it was 24.86%, and for those that did not work, the poverty rate was 20.24%.

Washtenaw County, Michigan Poverty

rate

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Rate
Poverty
Less Than 9th Grade21.66%
High School12.77%
Some College9.69%
Bachelors or Greater4.74%
showing: 4 rows

Washtenaw County, Michigan Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed32.85%
Male Unemployed26.72%
Female Employed10.49%
Male Employed7.08%
showing: 4 rows

Washtenaw County, Michigan Poverty Rate by Employment Status and Sex

Washtenaw County, Michigan Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Washtenaw County, Michigan Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

44.3%

Overall Marriage Rate

45.4%

Male Marriage Rate

43.3%

Female Marriage Rate

Washtenaw County, Michigan Married by Age and Sex

male

female

Washtenaw County, Michigan Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Washtenaw County, Michigan Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Washtenaw County, Michigan Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

13,097

Number of Veterans

12,018

Male Veterans

1,079

Female Veterans

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Washtenaw County, Michigan Veterans by War

count

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Washtenaw County, Michigan Veterans by Age

count

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Washtenaw County, Michigan Veterans by Race

Washtenaw County, Michigan Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.51%

Veteran Poverty Rate

29.96%

Veteran Disability Rate

Washtenaw County, Michigan Veterans by Education

LaborForceParticipation

63.7%

Labor Force Participation

60.7%

Employment Rate

4.7%

Unemployment Rate

Washtenaw County, Michigan Employment by Age

LaborForceParticipation

Washtenaw County, Michigan Employment by Race

LaborForceParticipation

Washtenaw County, Michigan Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

59.98%

Born in Washtenaw County, Michigan

87.56%

Native Born

12.44%

Foreign Born

6.11%

Non Citizen

6.33%

Naturalized

Place of Birth

87.56% of Washtenaw County, Michigan residents were born in the United States, with 59.98% having been born in Michigan. 6.11% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Washtenaw County, Michigan Place of Birth

Sources