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Sanilac County is a county located in the Thumb region of the U.S. state of Michigan. As of the 2020 Census, the population was 40,611. The county seat is Sandusky. The county was created on September 10, 1822, and was fully organized on December 31, 1849. Sanilac County is considered to be part of the Thumb of Michigan, a subregion of the Flint/Tri-Cities. Sanilac County enjoys seasonal tourism in towns such as Lexington, Port Sanilac, and Carsonville. Sanilac County is economically attached to St. Clair County and Huron County and is largely composed of nearly flat areas of rich soil.
Description adapted from Wikipedia, CC BY-SA 4.0.
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Sanilac County was probably named for a Wyandot (Huron) chief named Sanilac. (See List of Michigan county name etymologies). The county was formed on September 10, 1822, by the Michigan Territorial Legislature, partitioning parts of St. Clair County and unorganized territory administered by Oakland County. The original boundary of the county was reduced in 1840, when parts were partitioned off to create Huron and Tuscola counties. The county government was fully organized on December 31, 1849. In the middle of the 19th century, the area now called Port Sanilac was called Bark Shanty. It was named for a lone shanty made of bark, which was used to make shingles from pine. The county seat of Sanilac is the city of Sandusky.
Adapted from Wikipedia, CC BY-SA 4.0.
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Start at Scan Check Protect →Your county election office handles registration, mail ballots, and polling places.
Sanilac County election office →Official channels
Sanilac County election office. Statewide tools and every Michigan resource in one place: the Michigan page at Scan Check Protect →
This is the Sanilac County page of Michigan Voter Check, a project of True the Vote, pointing Michigan voters at the official tools that already exist — and at Scan Check Protect to verify your registration.
Where anything here differs from what Sanilac County or Michigan Secretary of State publishes, they are right and this page is not.