Marshalltown is a city located in the state of Iowa, United States. It serves as the county seat for Marshall County and is currently ranked as the 17th-most populous city in the state. According to the 2020 census, the city had a population of 27,591, with an estimated population of 27,886 in 2024.
The city is home to several notable institutions, including Marshalltown Community College and the Iowa Veterans Home. These facilities are key components of the local community infrastructure.