Croswell is a city in Sanilac County in the U.S. state of Michigan. The population was 2,467 at the 2000 census.
As of the census of 2000, there were 2,467 people, 914 households, and 633 families residing in the city. The population density was 1,080.1 per square mile (417.8/km²). There were 973 housing units at an average density of 426.0 per square mile (164.8/km²). The racial makeup of the city was 90.80% White, 0.16% African American, 0.45% Native American, 6.61% from other races, and 1.99% from two or more races. Hispanic or Latino of any race were 12.61% of the population.
There were 914 households out of which 38.3% had children under the age of 18 living with them, 49.0% were married couples living together, 16.1% had a female householder with no husband present, and 30.7% were non-families. 27.7% of all households were made up of individuals and 13.3% had someone living alone who was 65 years of age or older. The average household size was 2.68 and the average family size was 3.24.