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Washtenaw County, MI
PO BOX 8645
County Courthouse
Ann Arbor, MI 48107-8645
Phone: (734)994-2400
Fax: (734)222-6715

NACo Member

County Populations
  1980     1990     2000     2005  
 257,907  282,937  322,895  341,847

County Seat: Ann Arbor
Year Organized: 1826
Square Miles: 710
Size of Board: 11
MSA: Ann Arbor, MI Metropolitan Statistical Area
  • Places in Washtenaw County
  • Census Bureau Quick Facts
  • Elected County Officials
    Name Position
    Leah Gunn Commissioner, District 9
    Jeff Irwin Commissioner, District 11
    Kristin Judge Commissioner, District 7
    Barbara Levin Bergman Commissioner, District 8
    Mark Ouimet Commissioner, District 1
    Ronnie Peterson Commissioner, District 6
    Jessica Ping Commissioner, District 3
    Wesley Prater Commissioner, District 4
    Ken Schwartz Commissioner, District 2
    Rolland Sizemore Jr. Commissioner, Chair, District 5
    Conan Smith Commissioner, District 10
    Brian Mackey Prosecuting Attorney
    Jerry Clayton Sheriff
    Janis Bobrin Drain Commissioner
    Catherine McClary Treasurer
    Lawrence Kestenbaum County Clerk/Register of Deeds

    Please contact the county to get the most accurate listing.
    To report any updates, deletions or additions, contact Database Updates or send a fax to NACo, Attn: Database Updates (202)393-2630.

    Mailing list information on county officials is made available for sale by NACo. To find out more, click on the link below.

  • NACo's List Sales Information and Order Form

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