Polo is a city in Ogle County, Illinois, United States. The population was 2,355 at the 2010 census, down from 2,477 in 2000.
Downtown Polo
Ogle County is a county in the northern part of the U.S. state of Illinois. According to the 2020 United States Census, it had a population of 51,788. Its county seat is Oregon, and its largest city is Rochelle. Ogle County comprises Rochelle, IL Micropolitan Statistical Area, which is also included in the Rockford-Freeport-Rochelle, IL Combined Statistical Area.
Ogle County Courthouse
The Ogle County Judicial Center, across the street from the Old Ogle County Courthouse in Oregon, Illinois