You may be subject to a limit on some of your itemized deductions if your adjusted gross income is more than $254,200 ($279,650 if head of household, $305,050 if married filing jointly or qualifying widow(er), $152,525 if married filing separately).
Darien, IL City Data - Population, Homes, Statistics. Darien, IL City Data. Darien, IL is a city with great restaurants, attractions, history and people. There are around 22,860 people who live in Darien and approximately 904,161 who live in DuPage County.
DuPage County at the time of its creation in 1839. DuPage County is a county in the U.S. state of Illinois, and one of the collar counties of the Chicago metropolitan area. As of the 2010 census, the population was 916,924, making it Illinois' second-most populous county. Its county seat is Wheaton.