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Is adultery against the law in Wisconsin?

By Jacob Alabab-Moser
YES

Wisconsin's adultery law prohibits married individuals from having sexual intercourse with anyone who is not their spouse. It was enacted in 1849.

The law states that anyone who commits adultery is guilty of a Class I felony, which carries a maximum $10,000 fine and 3.5 years in prison.

Several states continue to have such fornication and adultery laws criminalizing extramarital sex on the books. But it has been decades since anyone was prosecuted under such laws, including in Wisconsin.

Some states have made efforts to remove or amend these laws in recent years. But some lawmakers have resisted such initiatives, fearing pushback from constituents who believe eliminating bans on extramarital sex could lead to moral decay.

This fact brief is responsive to conversations such as this one.
ABOUT THE CONTRIBUTOR
Wisconsin Watch, the news arm of the nonpartisan, nonprofit Wisconsin Center for Investigative Journalism, increases the quality and quantity of investigative reporting in Wisconsin, while training current and future investigative journalists. Its work fosters an informed citizenry and strengthens democracy.
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