When Did Ohio Become a State?


Quick Answer

In 1803, Ohio became the 17th state admitted to the Union. The state had previously been part of the Northwest Territory, which consisted of the present-day states of Illinois, Indiana, Michigan, Wisconsin and part of Minnesota.

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Full Answer

In 1788, the Ohio Company sponsored an expedition of 48 people, who were the first settlers of the state of Ohio. They declared present-day Marietta as the first settlement on the Ohio River. By 1799, the population of the territory had become large enough that the residents were able to elect a house of representatives, and only four years after that, Ohio became a state. The original capitol was located in present-day Chillicothe, but it was later moved to Columbus due to its more central location.

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