Rockwood is a city in Wayne County in the U.S. state of Michigan. The population was 3,442 at the 2000 census.
According to the United States Census Bureau, the city has a total area of 2.7 square miles (7.0 km²), all land.
As of the census of 2000, there were 3,442 people, 1,318 households, and 929 families residing in the city. The population density was 1,272.9 per square mile (492.2/km²). There were 1,353 housing units at an average density of 500.3 per square mile (193.5/km²). The racial makeup of the city was 95.64% White, 0.64% African American, 0.99% Native American, 0.61% Asian, 0.96% from other races, and 1.16% from two or more races. Hispanic or Latino of any race were 2.53% of the population.