page_title: Washtenaw County, Michigan
section_title: Communities
hierarchical_section_title: Washtenaw County, Michigan / Communities
caption_attribution_description: Washtenaw County census data map
context_page_description: Washtenaw County is a county located in the U.S. state of Michigan. As of the 2010 census, the population was 344,791. The county seat is Ann Arbor. The county was authorized by legislation in 1822, and was organized as a county in 1826.
  Washtenaw County comprises the Ann Arbor Metropolitan Statistical Area and is included in the Detroit-Warren-Ann Arbor Combined Statistical Area.
  The county is home to the University of Michigan, Eastern Michigan University, Washtenaw Community College, and Concordia University Ann Arbor.
caption: U.S. Census data map showing local municipal boundaries within Washtenaw County.  Shaded areas represent incorporated cities.
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