Hudson is a city in Lenawee County in the U.S. state of Michigan. The population was 2,415 at the 2020 census. The city is mostly surrounded by Hudson Township, but the two are administered autonomously.

Lenawee County is a county located in the U.S. state of Michigan. As of the 2020 United States Census, the population was 99,423. The county seat is Adrian. The county was created in 1822, from territory partitioned from Monroe County. Its governing structure was organized in 1826.