Washtenaw County MI Information


Washtenaw County Subdivisions

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  1. Washtenaw County 2018 Demographic Data
  2. Growth Rates forWashtenaw County (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Michigan Research Tools (Easy Tools & Current Data)
  3. Michigan Data Comparison Tool - 2018 Demographics

Washtenaw County MI Data & Demographics (As of July 1, 2018)


Total Population 370,067
Population in Households 347,754
Population in Familes 246,318
Population in Group Qrtrs 22,313
Population Density2 524
Diversity Index3 50


Median Household Income $66,336
Average Household Income $94,659
Per Capita Income $38,017


Total Housing Units 153,671 (100%)
Owner Occupied HU 84,002 (54.7%)
Renter Occupied HU 61,162 (39.8%)
Vacant Housing Units 8,507 ( 5.5%)
Median Home Value $248,889
Average Home Value $289,191


Total Households 145,164
Average Household Size 2.4
Family Households 81,632
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 0.86% 0.68%
Households 0.69% 0.68%
Families 0.41% 0.5%
Median Household Income   3.15%
Per Capita Income   3.22%


Washtenaw County MI - Peer Comparisons by Rank and Percentile

The table below compares Washtenaw County to the other 83 counties and county equivalents in Michigan by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 6 94th
Population Density # 7 93rd
Diversity Index # 5 95th
Median Household Income # 3 98th
Per Capita Income # 3 98th

Additional comparisons and rankings can be made with a VERY EASY TO USE Michigan Census Data Comparison Tool.

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Michigan Census Data Comparison Tool

Compare Michigan July 1, 2018 Data
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