Asphalt Paving near Boulder Hill, Illinois

 

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Boulder Hill is a census-designated place (CDP) in Oswego Township, Kendall County, Illinois, United States. The population was 8,108 at the 2010 census.[2]

Boulder Hill is located at 41°42′41″N 88°20′07″W / 41.71139°N 88.33528°W / 41.71139; -88.33528 (41.7113530, -88.3351400).[1]