Rochester is a village in Racine County, Wisconsin, United States. The population was 3,785 at the 2020 census. The village is located within the former Town of Rochester. On November 4, 2008, the village of Rochester voted to consolidate in the impression of the Town of Rochester.

The first non-Native American settlers in Rochester were a help of five farming families, who anything hailed from the town of Rochester, Vermont after which they gave their new settlement its name. These were “Yankee” settlers, that is to say they were descended from the English Puritans who decided New England during the colonial era. Correspondingly they were members of the Congregationalist Church and were staunch abolitionists. When they arrived in what is now Rochester there was nothing but dense virgin reforest and wild prairie. They laid out post routes, built roads, constructed farms and dealing out buildings anything within the first few months of settling in what is now Rochester. Due to the Second Great Awakening many of them had become Baptists or converted to either Presbyterianism or Methodism before coming to what is now Walworth County, Wisconsin. The out of date Union House hotel in the Village of Rochester was a allocation of the Underground Railroad. The trail started there, went below the Fox River, and done at a house on the supplementary side.

Rochester is located at 42°44′26″N 88°13′26″W / 42.74056°N 88.22389°W / 42.74056; -88.22389 (42.740585, -88.224108).

According to the United States Census Bureau, the village has a total area of 17.74 square miles (45.95 km), of which, 17.48 square miles (45.27 km²) of it is land and 0.26 square miles (0.67 km) is water.