Valparaiso, colloquially known as Valpo, is a city in northwestern Indiana and serves as the county seat of Porter County. According to the 2020 census, the city had a population of 34,151. It is situated within the Chicago metropolitan area, positioning it as part of the greater Chicagoland region despite its location in Indiana.
As the administrative center of Porter County, Valparaiso functions as an important municipal hub for the region. The city's location near Lake Michigan and its proximity to Chicago make it a significant community in northwestern Indiana's economic and social landscape.