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Purchase Chicago, IL 312 area code phone numbers for your business

The city of Chicago, Illinois, is the third most populated city in the United States. It spans an area of 227.2 square miles and contains a total population of 2,714,856 residents, who are spread across 1,194,337 households. Chicago's population density is 11,864.4 residents per square mile. Of the total households, 28.9% feature a child under the age of 18, and 8.7% of all households are occupied solely by a person aged 65 years old or older. The average size of a household in Chicago is 2.67 persons, and the median income of a household in Chicago is $38,625. The per capita income for the city of Chicago is $20,175. The total number of companies operating in Chicago is 255,459, specializing in major industries such as manufacturing, transportation and warehousing, food services, and finance and insurance. Chicago's inland port allows it to maintain a position as a national transportation and distribution center.


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Nearby area codes include 773, 630, 708, 847, and 224.