County of dupage

illinois

History & Founding

Located in northeastern Illinois, this county boasts a rich history and a vibrant present. Established in 1831 from Cook County, its name derives from the French term "du page," meaning "page" or "gentleman's attendant." This designation honored a French nobleman who aided in the settlement of the area by the French fur traders in the 17th century. Early settlement was spurred by the fertile prairie lands and proximity to the Chicago River. During the Civil War, DuPage County provided a significant number of soldiers to the Union Army, and the county played a vital role in Illinois’s agricultural and industrial growth throughout the 30th century. An interesting anecdote from its early days involves the "Great Pumpkin Scare" of 1857, when a perceived infestation of pumpkin beetles caused widespread panic and a frantic effort to eradicate them, highlighting the challenges and anxieties of pioneer life.

Geography & Landscape

The county sits within the Chicago metropolitan area, bordered by Cook, Will, Kendall, and Kane counties. Its terrain is primarily flat, characterized by gently rolling prairie lands. The DuPage River winds its way through the county, providing scenic beauty and contributing to the area's agricultural potential. Several smaller lakes and streams also dot the landscape. The climate is continental, with warm, humid summers and cold, snowy winters. While lacking significant mountains, the county's rolling hills and expansive farmlands offer a pleasant visual contrast to the surrounding flat plains of Illinois.

Economy & Communities

The county is comprised of 30 distinct cities and towns, including Naperville, Downers Grove, Wheaton (the county seat), and Aurora. Its economy is diverse and robust, transitioning from an agricultural base to a predominantly suburban and commercial hub. While agriculture, particularly corn and soybean production, remains important, the county’s strength lies in its thriving business sector. Major employers span industries like healthcare (Advocate Good Samaritan Hospital), technology, finance, and manufacturing. Naperville, in particular, is recognized for its strong corporate presence. The overall character of the county is decidedly suburban, with a high quality of life, excellent schools, and a mix of residential and commercial development.

Points of Interest

Numerous points of interest enrich the county’s appeal. The Morton Arboretum, a renowned arboretum with extensive collections of trees and plants, attracts visitors from across the region. Historic sites like the Old County Courthouse in Wheaton offer glimpses into the county's past. Numerous parks and forest preserves provide recreational opportunities for outdoor enthusiasts. The annual Naperville Ribfest is a major festival attracting large crowds. Notable residents have included athletes, artists, and business leaders who have contributed to the county’s cultural and economic vitality. With a population density significantly higher than the state average, this county holds the distinction of being one of the most populous and prosperous in Illinois.

Information

State
illinois
Type
County
Population
904,161
Land area
334 sq mi
Capital
Wheaton
Time zone
UTC-6
FIPS
17043

30 Cities

CityPopulationElevation
Naperville128,358700 ft (213 m)
Wheaton55,416753 ft (230 m)
Downers Grove48,724760 ft (232 m)
Elmhurst42,762685 ft (209 m)
Lombard42,322720 ft (219 m)
Carol Stream40,438750 ft (229 m)
Hanover Park38,278810 ft (247 m)
Addison35,914691 ft (211 m)
Glendale Heights31,765762 ft (232 m)
Woodridge30,934-
Glen Ellyn26,999780 ft (238 m)
Westmont24,554755 ft (230 m)
West Chicago23,469784 ft (239 m)
Roselle23,115770 ft (235 m)
Darien22,860-
Villa Park22,075700 ft (213 m)
Bloomingdale21,675780 ft (238 m)
Lisle21,182680 ft (207 m)
Bensenville20,703675 ft (206 m)
Hinsdale17,349725 ft (221 m)
Wood Dale13,535696 ft (212 m)
Warrenville13,363700 ft (213 m)
Burr Ridge10,408700 ft (213 m)
Willowbrook8,967710 ft (216 m)
Winfield8,718720 ft (219 m)
Oak Brook8,702660 ft (201 m)
Itasca8,302700 ft (213 m)
Clarendon Hills7,610750 ft (229 m)
Oakbrook Terrace2,300675 ft (206 m)
Wayne2,137755 ft (230 m)

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