Below are a list of the cities located in Dupage County, IL. There are 54 total unique zip codes in Dupage County, Illinois. The time zone for Dupage County is the Central Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for echo $county.' County, '.$state_abbrev ?> is 17043.
The population in Dupage County, IL is currently 924,885. That is an increase of 0.87% vs the population of 916,924 in 2010.
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