thumb|Farbach-Werner Nature Preserve in Groesbeck, Ohio
Groesbeck is a census-designated place (CDP) in Colerain Township, Hamilton County, Ohio, United States. The population was 7,365 at the 2020 census. It is a suburb of Cincinnati.
History
Groesbeck was founded as West Union. When the community established a post office in 1857 it was discovered there was already a West Union in Ohio and so the name was changed. The new name was taken from the surname of William S. Groesbeck, a United States Representative from Ohio.
In 1894, Groesbeck was described as having two hotels, a blacksmith shop, and a church.
Geography
According to the United States Census Bureau, the CDP has a total area of , all land.
Demographics
2020 census
As of the census of 2020, there were 7,365 people living in the CDP, for a population density of 2,511.08 people per square mile (969.44/km<sup>2</sup>). There were 3,069 housing units. The racial makeup of the CDP was 66.9% White, 20.5% Black or African American, 0.4% Native American, 3.4% Asian, 0.0% Pacific Islander, 2.3% from some other race, and 6.4% from two or more races. 3.7% of the population were Hispanic or Latino of any race.
There were 3,233 households, out of which 31.5% had children under the age of 18 living with them, 41.4% were married couples living together, 16.2% had a male householder with no spouse present, and 33.4% had a female householder with no spouse present. 33.4% of all households were made up of individuals, and 9.3% were someone living alone who was 65 years of age or older. The average household size was 2.51, and the average family size was 3.13.