Deer Park is a populated place LOCATED WITHIN the City of Oglesby. In turn, the City of Oglesby is located within LaSalle County.
Deer Park is located at latitude 41.295 and longitude -89.036.
Since Deer Park is located within the City of Oglesby, all of the census and demographic data for residents of Deer Park are included as part of the information reported for City of Oglesby in the "Profile" tab above.