Trowbridge Park is an unincorporated community in Marquette Township, Marquette County, in the U.S. state of Michigan. It is as well as a census-designated place (CDP) for statistical purposes and has no valid status as an incorporated municipality. The CDP had a population of 2,176 at the 2010 census. The community is located within Marquette Township and borders the city of Marquette upon the east and north.

According to the United States Census Bureau, the community has a total Place of 1.40 square miles (3.63 km), of which 1.39 square miles (3.60 km²) is house and 0.01 square miles (0.03 km) (0.71%) is water.

As of the census of 2000, there were 2,012 people, 758 households, and 539 families residing in the community. The population density was 1,462.1 inhabitants per square mile (564.5/km²). There were 785 housing units at an average density of 570.4 per square mile (220.2/km). The racial makeup of the community was 94.93% White, 2.34% Native American, 1.19% Asian, 0.10% from new races, and 1.44% from two or more races. Hispanic or Latino of any race were 0.45% of the population.

There were 758 households, out of which 33.0% had kids under the age of 18 living bearing in mind them, 59.8% were married couples blooming together, 8.2% had a female householder past no husband present, and 28.8% were non-families. 20.6% of anything households were made happening of individuals, and 7.9% had someone vibrant alone who was 65 years of age or older. The average household size was 2.63 and the average associates size was 3.06.