Washtenaw County
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.
Population & growth
PEP 2025 EST:370,214 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 10 more hispanic origin groups with data
+ 9 more asian origin groups with data
+ 50 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
Places similar to Washtenaw County
Compare Washtenaw County to nearby counties
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