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Darien

A city of 21,879 people in Illinois
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Around town

The places and views that make it Darien

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Outdoors in Darien

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Map of Darien: conserved land, trails and the top places to walk
Conserved land6.4%255 of 3,995 acres
Trails8.8 mi1.4 mi per sq mi
Parks & preserves1812 conserved acres per 1,000 residents

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

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Know Darien

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About Darien

City in Illinois, United States
1969Established
22,011Population
6.3 sq miArea
751 ftElevation

Darien (formerly Cass) is a city in DuPage County, Illinois, United States. Per the 2020 census, the population was 22,011. A southwestern suburb of Chicago, Darien was named after the town of Darien, Connecticut. Darien is just north of I-55 and Historic U.S. Route 66 (now Frontage Road). The entire south edge of the town borders Waterfall Glen.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Living in Darien

Housing in Darien

$460K▲ 4.4% in a year Typical home value · Zillow

The typical Darien home is worth about $460,000, up 4.4% in a year, 54% above the Illinois typical home.

A strong seller's market

Buyer’sBalancedSeller’s
Days on market37
Sale-to-list102.1%
Sold in May29
Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Darien

A−

Safety Grade A-

Darien reports less crime per resident than 77% of the U.S. towns and cities we grade.

Violent crime per 1,000
Darien 0.1
Illinois 2.6
U.S. 3.3
Property crime per 1,000
Darien 7.1
Illinois 15.6
U.S. 15.5
FBI crime data, 2025 · crimes reported to policeCrime & safety →

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Darien

Illinois · IL
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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01