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Demographics
Date of Incorporation   December 13, 1969
Jurisdiction   9.5 square miles
Total miles of streets the city maintains   68
Form of Government   Council/Aldermanic
7 Alderman elected from seven wards
Mayor, City Clerk and Treasurer elected at large.
Administrator is chief administrative officer.
Population 2010   22,086
Housing Units   8,929
Median Family Income   $91,880
Median Age   43
Average Home Value   $265,000.00
Average Rental   $763.00
Sales Tax Rate   8.25%
Water Utilities   City of Darien Water System
Sewer Utility   DuPage County Environmental Concerns