Washtenaw County, MI

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Main / Michigan / Washtenaw County

Washtenaw County, Michigan demographics

Population: 372,428
Median age: 34.1

Median household income: 79,198

Demographics, population, home values, social and economic characteristics of Washtenaw County, Michigan.

Population

2021372,428
2020368,385
2019367,000
2018365,961
2017361,509
2016358,082
2015354,092
2014351,454
2013348,560
2012346,010
2011344,727
2010343,947
2009346,007

Washtenaw County, MI cities

Ann Arbor city - 122,731

Barton Hills village - 436

Chelsea city - 5,447

Dexter city - 4,531

Manchester village - 2,283

Milan city - 6,156

Saline city - 9,072

Whitmore Lake CDP - 8,019

Ypsilanti city - 20,448

Washtenaw County, MI ZIP Codes

Census data for Washtenaw County, Michigan

Demographic and housing estimates in Washtenaw County, Michigan

Total population
Total population372,428
Male185,318
Female187,110
Population by age
Total population372,428
Under 5 years17,887
5 to 9 years18,387
10 to 14 years20,666
15 to 19 years33,427
20 to 24 years47,330
25 to 34 years52,941
35 to 44 years43,420
45 to 54 years42,961
55 to 59 years21,478
60 to 64 years21,303
65 to 74 years32,537
75 to 84 years14,460
85 years and over5,631
Median age (years)34.1
Under 18 years69,614
16 years and over311,251
18 years and over302,814
21 years and over271,813
62 years and over64,864
65 years and over52,628
Population by race
Total population372,428
One race351,266
   White268,216
   Black or African American43,473
   American Indian and Alaska Native1,019
   Asian33,950
   Native Hawaiian and Other Pacific Islander114
   Some other race4,494
Two or more races21,162
Citizen, voting age population
Citizen, VOTING AGE 18 and over population281,367
Male Citizen, VOTING AGE 18 and over population138,585
Female Citizen, VOTING AGE 18 and over population142,782

Social characteristics in Washtenaw County, Michigan

Households by type
Total households147,185
Family households (families)66,354
Married-couple family9,632
Male householder, no wife present, family31,589
Female householder, no husband present, family21,035
Nonfamily households39,610
Average household size37,294
Average family size2.39

Economic characteristics in Washtenaw County, Michigan

Income and benefits (in inflation-adjusted dollars)
Total households147,185
Less than $10,0009,343
$10,000 to $14,9995,062
$15,000 to $24,9998,770
$25,000 to $34,99910,113
$35,000 to $49,99914,273
$50,000 to $74,99922,871
$75,000 to $99,99918,404
$100,000 to $149,99925,548
$150,000 to $199,99913,487
$200,000 or more19,314
Median household income (dollars)79,198

Housing characteristics in Washtenaw County, Michigan

Housing occupancy
Total housing units155,927
Occupied housing units147,185
Vacant housing units8,742
Units in structure
Total housing units155,927
1-unit, detached90,029
1-unit, attached9,812
2 units3,547
3 or 4 units6,566
5 to 9 units14,851
10 to 19 units12,010
20 or more units13,498
Mobile home5,599
Boat, RV, van, etc.15
Year structure built
Total housing units155,927
Built 2014 or later237
Built 2010 to 20137,409
Built 2000 to 200919,914
Built 1990 to 199926,557
Built 1980 to 198917,425
Built 1970 to 197924,906
Built 1960 to 196919,275
Built 1950 to 195915,178
Built 1940 to 19497,050
Built 1939 or earlier17,976
Rooms
Total housing units155,927
1 room3,174
2 rooms5,151
3 rooms16,324
4 rooms23,887
5 rooms24,415
6 rooms23,009
7 rooms18,659
8 rooms15,555
9 rooms or more25,753
Median rooms5.7
Bedrooms
Total housing units155,927
No bedroom3,616
1 bedroom18,984
2 bedrooms38,727
3 bedrooms54,050
4 bedrooms32,427
5 or more bedrooms8,123
Housing tenure
Occupied housing units147,185
Owner-occupied90,365
Renter-occupied56,820
Average household size of owner-occupied unit2.56
Average household size of renter-occupied unit2.12
Year householder moved into unit
Occupied housing units147,185
Moved in 2017 or later19,716
Moved in 2015 to 201646,262
Moved in 2010 to 201422,504
Moved in 2000 to 200927,240
Moved in 1990 to 199916,816
Moved in 1989 and earlier14,647
Value
Owner-occupied units90,365
Less than $50,0004,320
$50,000 to $99,9994,015
$100,000 to $149,9996,134
$150,000 to $199,99910,332
$200,000 to $299,99921,689
$300,000 to $499,99929,036
$500,000 to $999,99913,112
$1,000,000 or more1,727
Median (dollars)293,800
Mortgage status
Owner-occupied units90,365
Housing units with a mortgage58,747
Housing units without a mortgage31,618
Gross rent
Occupied units paying rent55,410
Less than $5002,851
$500 to $99913,302
$1,000 to $1,49922,477
$1,500 to $1,99910,449
$2,000 to $2,4993,372
$2,500 to $2,9991,215
$3,000 or more1,744
Median (dollars)1,218
No rent paid1,410

Demographic data for Washtenaw County, MI and each city in the county. Lists of cities by population, wealth and poverty in Washtenaw County, MI.

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Michigan demographics

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Van Buren County

Wayne County

Wexford County