Market measurement · United States

Businesses in Illinois: 756,700 records

87.8% of these records carry a phone number and 64.2% a website. 213,581 have a phone number but no website. 5,461 new records were added in the last 30 days.

Records
756,700
With a phone number
87.8%664,668
With a website
64.2%485,937
Phone number, no website
213,58128.2%
New in the last 30 days
5,461
Share of all records in the US
3.1%

Measured in our live database on November 15, 2026.

14 sectors in Illinois

14 sectors in Illinois
SectorRecordsPhoneWebsiteNew, 30 days
Restaurants24,23892.9%76.5%142
Hair and beauty salons21,71589.9%48.6%139
Real estate agencies20,47596.9%73.9%69
Construction companies14,01694.6%56.7%71
Dentists and dental clinics12,58595.9%55.4%82
Auto repair shops12,42692.3%49.2%77
Clothing stores5,54784.2%65.4%32
Supermarkets and grocery stores5,25183.1%49.3%29
Bars and pubs4,17778.8%37.2%35
Cafés4,13982.8%73.5%54
Gyms and fitness studios3,34577.7%74.0%22
Bakeries and pastry shops3,09182.2%59.3%19
Pharmacies2,84095.6%81.3%5
Car dealers2,78592.1%74.6%10

Each sector links to its country-wide page. Fewer than five new records show as “<5”.

Cities in Illinois

Cities in Illinois
CityRecordsPhoneWebsitePhone, no websiteNew, 30 days
Chicago149,86386.8%64.1%42,7971,231
Naperville11,45892.3%75.2%2,27599
Rockford10,61790.5%64.5%3,08474
Springfield9,76890.4%65.8%2,72073
Peoria8,65890.3%66.0%2,42074
Aurora8,03390.0%66.8%2,11272
Schaumburg7,58791.6%73.6%1,60672
Joliet6,72488.7%62.2%1,98165
Evanston6,49287.8%70.1%1,44050
Elgin5,99791.6%68.6%1,54360
Arlington Heights5,64693.2%69.4%1,47865
Champaign5,47386.8%70.5%1,21732
Bloomington5,16690.1%69.4%1,26529
Skokie4,89391.4%68.5%1,26247
Orland Park4,82392.3%74.2%97536

The 15 largest cities with at least 30 records. Fewer than five new records show as “<5”.

Short answers

How many businesses are there in Illinois?
Our database holds 756,700 business records in Illinois as of November 15, 2026.
Which sector is the largest in Illinois?
Of the 14 sectors we measure, restaurants are the largest (24,238 records), followed by hair and beauty salons, then real estate agencies.
Which city has the most businesses?
Chicago (149,863 records), followed by Naperville and Rockford.
How many new records were added in the last 30 days?
5,461; among the 14 sectors, the most in restaurants (142).

Open these businesses in the panel

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