North Utica, often known as Utica, is a village in Utica Township, LaSalle County, Illinois. The population was 1,323 at the 2020 census. It is part of the Ottawa Micropolitan Statistical Area. While North Utica is the proper name for the city, advertising on nearby Interstates 80 and 39 refers to the village by its original name, Utica. In addition, people who live in the …North Utica, often known as Utica, is a village in Utica Township, LaSalle County, Illinois. The population was 1,323 at the 2020 census. It is part of the Ottawa Micropolitan Statistical Area. While North Utica is the proper name for the city, advertising on nearby Interstates 80 and 39 refers to the village by its original name, Utica. In addition, people who live in the area, official Interstate signage, and signs indicating the city limits all refer to the town as Utica.