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.
Between 2000 and 2010, the population of Illinois grew by a mere 3.3% , compared to a national average US population growth of 9.7%. The population of Illinois in 2013 is 12,897,625, making Illinois the fifth largest state in the USA. This is based on a growth rate of 0.17%, which ranks 44th.