Michigan Counties. In 1796, the acting governor of the territory officially set the boundaries for Wayne County, which, at that time, included all of what later became the state of Michigan and parts of Ohio, Indiana, Illinois and Wisconsin. By 1830, Michigan had 12 organized counties. By 1852, most of the Lower Peninsula counties were established.

The three-digit number is unique to each individual county within a state, but to be unique within the entire United States, it must be prefixed by the state code. This means that, for example, the number 001 is shared by Alcona County, Michigan, Adams County, Wisconsin, and Adair County, Iowa. To uniquely identify Alcona County, Michigan, one ...

Milwaukee County: formed in 1834 from part of Brown County. Given to Wisconsin Territory in 1836 and continues as Milwaukee County, Wisconsin. Omeena County: formed in 1840 from part of Mackinac County. Added to Grand Traverse County in 1853. Wyandot County: formed in 1840 from part of Mackinac County.

Michigan Counties - Cities, Towns, Neighborhoods, Maps & Data. There are 83 counties in Michigan. All counties in Michigan are functioning governmental entities, each governed by a board of commissioners. There are 1,573 county subdivisions in Michigan known as minor civil divisions (MCDs). There are 1,123 townships and 117 charter townships ...

Largest Counties in Michigan by Population Wayne County Downtown Detroit, Michigan. Wayne County, established in 1796, holds the distinction of being the most populous county in Michigan.Its county seat, Detroit, is famously known as “Motor City” for its pivotal role in the American automotive industry. The county’s name honors General Anthony Wayne, a Revolutionary War hero.

See a county map of Michigan on Google Maps with this free, interactive map tool. This Michigan county map shows county borders and also has options to show county name labels, overlay city limits and townships and more. To do a county lookup by address, type the address into the “Search places” box above the map.

Michigan Association of Counties 110 W. Michigan Ave., Suite 200 Lansing, Michigan 48933 (800) 258‑1152 (517) 372‑5374 (517) 482‑4599 Fax

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The U.S. State of Michigan is divided into 83 counties. Interactive Map of Michigan Counties.