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StateIllinois · IL

Illinois: 1,395,536 businesses, 998 markets.

Live coverage footprint. Operator publishes city + county market rollups for Illinois and refreshes nightly.

Total businesses
1,395,536
Across 26 trade categories
Markets covered
998
Tracked statewide
Trade categories
26
Active in Illinois
Avg rating
4.8/5
Weighted across rated businesses
Markets

Top Illinois markets by business count.

The largest markets in the state. Each links to a full leaderboard, trade breakdown, and recent signals.
#
City
Kind
Businesses
01
Chicago
city
304,334
→
02
Cook County
county
67,277
→
03
Naperville
city
18,492
→
04
Rockford
city
17,285
→
05
DuPage County
county
17,194
→
06
Springfield
city
16,118
→
07
Aurora
city
13,785
→
08
Peoria
city
13,211
→
09
Lake County
county
11,542
→
10
Schaumburg
city
11,280
→
11
Joliet
city
11,278
→
12
Elgin
city
9,535
→
All 998 Illinois markets →
By trade

Largest trades across Illinois.

Biggest trade categories by statewide business count.
01
Restaurant
30,713
326
02
Real Estate
15,319
179
03
Insurance
9,384
142
04
Auto Repair
7,436
272
05
Dental
5,185
71
06
Legal
4,928
23
07
IT Support
3,957
5
08
Accounting
3,043
23
09
Landscaping
2,392
40
10
HVAC
2,085
39
All 26 trades in Illinois →

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Every tracked business gets a public page, built from public records. Claiming takes two minutes, costs nothing, and gives you control over the data and your score breakdown.

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1.4M
IL businesses tracked
998
Markets covered
$0
To claim
Nightly
Data refresh