Darien, Illinois

Darien population, 2020 to 2024

Darien added 17 residents from July 2020 to July 2024, a change of +0.1%. In the latest year it moved by +152. Among 330 Illinois places of 5,000 or more, that growth ranks 107th; the median place changed by -0.9%. The median place of 5,000+ in Illinois has 14,760 people, so Darien is 1.5 times that size.

Darien covers 6.17 square miles of land and 0.11 of water, for 3,568 people per square mile of land. The median Illinois place of 5,000+ has 2,177, so Darien is denser than the typical town.

What county Darien is in

All of Darien's residents live in DuPage County, which had 937,142 residents in 2024. Darien holds 2.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Darien

1 ZIP Code Tabulation Area (ZCTA) overlaps Darien by at least 10% of the ZCTA's or the city's land: 60561. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Darien is

The Census internal point of Darien is at 41.745700, -87.981500. Springfield, the capital, is 161.4 miles SSW in a straight line. The nearest larger place is Woodridge, IL (34,103 people), 3.3 miles away. The nearest city of 100,000 or more is Naperville, IL, 9.3 miles away.

Daylight in Darien

At 41.75° N, Darien gets about 15 h 13 min of daylight around the June solstice and 9 h 09 min around the December solstice, a swing of 6 h 04 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Darien

The eight nearest incorporated places of 1,000+ in Illinois, measured between internal points. The closest is Willowbrook, 2.5 miles away, with 9,179 people.