Washtenaw County, Michigan Demographics 2026

Name: Washtenaw County, Michigan Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Washtenaw County, Michigan has a population of 369,822, the 6th most populous county in Michigan. The median household income is $89,180 and the median home value is $374,100. The poverty rate is 14.2%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Washtenaw County Quick Facts

Population 369,822

Median Household Income $89,180

Median Home Value $374,100

Poverty Rate 14.2%

Unemployment Rate 4.6%

Median Age 35.0 years

Homeownership Rate 61.6%

Affordability Ratio 4.2x

Bachelor's Degree+ 58.7%

High School Graduation 96.0%

Cities/Places 9

Population 369,822 6th of 83

Median Income $89,180 22% higher than state

Poverty Rate 14.2%

Unemployment 4.6%

How Washtenaw County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	368,394	369,822	+0.4%
Median household income	$87,156	$89,180	+2.3%
Median home value	$353,000	$374,100	+6.0%

Median Household Income

Washtenaw

$89,180

$72,875

National

$80,734

Median Home Value

Washtenaw

$374,100

$231,600

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 14.1%

$25K-$50K 14.9%

$50K-$100K 26.2%

$100K+ 44.8%

Detailed income brackets

Under $10K

6.1%

$10K-$15K

2.9%

$15K-$20K

2.5%

$20K-$25K

2.7%

$25K-$30K

2.5%

$30K-$35K

3.0%

$35K-$40K

3.4%

$40K-$45K

3.4%

$45K-$50K

2.6%

$50K-$60K

5.9%

$60K-$75K

8.4%

$75K-$100K

11.9%

$100K-$125K

9.8%

$125K-$150K

7.4%

$150K-$200K

10.4%

$200K+

17.2%

Employment

4.6% Unemployment Rate State: 5.7%|National: 5.2%

63.0% Labor Force Participation

Housing Overview

Owner 61.6%

Renter 38.4%

Affordability Index Moderate

4.2x home value to income ratio

Median gross rent $1,463/mo 19.7% of median household income annually

People & Demographics

Age Distribution

Under 18

18.2%

18-34

31.8%

35-54

23.1%

55-74

20.5%

75+

6.4%

Race & Ethnicity

Diversity Index

Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 45 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Washtenaw County

City	Population	Median Income	Poverty	Home Value
Ann Arbor	122,036	$82,212	23.8%	$453,400
Ypsilanti	19,857	$46,588	24.8%	$232,700
Saline	9,006	$88,346	5.8%	$341,300
Whitmore Lake	7,878	$86,779	5.0%	$287,700
Milan	5,987	$96,949	10.4%	$247,100
Chelsea	5,426	$72,098	4.1%	$312,700
Dexter	4,521	$106,637	0.8%	$421,000
Manchester	2,522	$87,614	7.3%	$232,000
Barton Hills	430	$250,000+	0.5%	$1,410,000

Explore Michigan Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Washtenaw County is located in Michigan with a total population of 369,822. It is the 6th most populous county out of 83 in Michigan. The county encompasses 9 Census-designated places.

Age Demographics

The median age in Washtenaw County is 35.0 years. This is 13% lower than the state median of 40.2 years.

Economy, Income & Housing

The median household income in Washtenaw County is $89,180. This is 22% higher than the state median of $72,875. It is also 10% higher than the national median of $80,734. The poverty rate stands at 14.2%. This is 7% higher than the state poverty rate of 13.2%. The unemployment rate is 4.6%. This is 19% lower than the state rate of 5.7%. The median home value is $374,100. Housing costs are 62% higher than the state median of $231,600. The home-value-to-income ratio is 4.2x. 61.6% of occupied housing units are owner-occupied. This homeownership rate is 16% lower than the state average of 73.2%.

Race & Ethnicity

The largest racial or ethnic group in Washtenaw County is White (non-Hispanic), making up 67.2% of the population. Black or African American residents account for 11.3%. The Asian population is significantly higher than the state average (9.2% vs 3.4%).

Education

58.7% of residents aged 25 and older hold a bachelor's degree or higher. This places Washtenaw County in the top 10% of all counties in the state for educational attainment. This is 81% higher than the state rate of 32.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.0%. Notably, 31.5% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All figures for Washtenaw County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Michigan and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Washtenaw County, Michigan?

Washtenaw County has a population of 369,822, making it the 6th most populous county in Michigan.

What is the median income in Washtenaw County?

The median household income in Washtenaw County is $89,180 with a poverty rate of 14.2%.

How many cities are in Washtenaw County, Michigan?

Washtenaw County contains 9 Census-designated places.