Basic information

| Attribute | Details | | :--- | :--- | | **Official Name** | City of Chicago | | **Common Name** | Chicago | | **Native Name(s)** | Shikaakwa (Miami-Illinois) | | **Nicknames** | The Windy City, City of Big Shoulders, The Second City, Chi-Town | | **Motto** | *Urbs in Horto* (City in a Garden), *I Will* | | **Geographic Level** | City (Major Metropolis) | | **Country** | United States | | **State/Province** | Illinois | | **Capital** | N/A (Springfield is the state capital) | | **Government Type** | Mayor-Council | | **Date Founded** | March 4, 1837 (Incorporated as a city) | | **Time Zone** | Central Time (UTC-6 / DST UTC-5) | | **Latitude** | 41.8781° N | | **Longitude** | 87.6298° W | | **Elevation** | 594 ft (181 m) | | **Total Area** | 234.53 sq mi (607.44 km²) | | **Population** | ~2,746,388 (2020 Census) | | **Population Density** | ~12,124/sq mi (4,681/km²) | | **ZIP/Postal Codes** | 60601–60827 (various) | | **Area Codes** | 312, 773, 872 | | **Official Languages** | English | | **Currency** | United States Dollar (USD) | | **Demonym** | Chicagoan |