DuPage County, Administrative county in northeastern Illinois, United States.
DuPage County spans 336 square miles of land and water, containing numerous municipalities within the Chicago metropolitan region.
The county was established in 1839 from Cook County territory and named after a French fur trader who operated along the DuPage River.
The Forest Preserve District manages 25,000 acres of natural spaces, providing extensive recreational opportunities and environmental education programs.
Residents access county services through an integrated online system that includes tax information, court proceedings, and property records.
The Mallard Lake Landfill reaches 982 feet above sea level, marking the highest elevation point in the entire county territory.
Location: Illinois
Inception: February 9, 1839
Capital city: Wheaton
Elevation above the sea: 232 m
Shares border with: Cook County, Will County, Kendall County, Kane County
Website: https://dupagecounty.gov
GPS coordinates: 41.85195,-88.08567
Latest update: May 26, 2025 19:51
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