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Restaurants in Illinois

How many restaurants exist per person present (residents + daytime workers) across the 16 Illinois counties we cover, by ZIP code, compared with the U.S. average. Data: Census ZBP 2023 + ACS 2024 + BLS QCEW.

Includes: Sit-down restaurants with table service. Counted together because official statistics use one 722511 code.

State verdict (covered counties): In line with the U.S. rate — 100% of the U.S. rate

Counties covered

in Illinois

Restaurants

8,039

establishments (2023)

Per 10,000 present

6.4

residents + 0.5×workers

U.S. average

6.4

per 10,000 present

State index

100%

vs. U.S.

Residents

10,329,940

in covered counties

Workers

4,617,467

jobs in covered counties

Coverage. This page aggregates only the 16 Illinois counties BizGapMap covers — not the whole state. Counts and the index reflect those counties. The aggregate index uses only ZIP cells Census published, so it is a lower bound. Density is a supply-side signal: it counts existing restaurants and the people present, not foot traffic, income, rent, or whether locals want more.

Counties in Illinois

City	County	Restaurants	Residents	Workers	Per 10k	Index	Verdict
Champaign	Champaign County	179–221	208,555	71,922	7.3	115–138%	Above average
Springfield	Sangamon County	159–201	194,839	70,812	6.9	108–126%	Above average
Chicago	Cook County	4,257–4,327	5,132,257	2,445,383	6.7	105–106%	Above average
Crystal Lake	McHenry County	249–257	328,030	92,834	6.6	104–107%	Above average
Downers Grove	DuPage County	819–835	961,096	599,180	6.5	102%	Above average
Moline	Rock Island County	111–135	144,245	64,178	6.3	99–113%	Range spans bands
North Chicago	Lake County	577–589	747,565	351,156	6.3	98–99%	Below average
Rockford	Winnebago County	212–230	284,853	110,619	6.2	98–100%	Range spans bands
Elgin	Kane County	370–388	506,642	177,908	6.2	97–100%	Range spans bands
Oswego	Kendall County	82–90	121,968	28,643	6.0	94–103%	Range spans bands
Peoria	Peoria County	132–176	179,934	81,431	6.0	94–112%	Range spans bands
Edwardsville	Madison County	187–219	268,375	94,295	5.9	93–109%	Range spans bands
East Peoria	Tazewell County	84–104	132,535	43,220	5.4	85–104%	Range spans bands
Normal	McLean County	104–148	173,337	61,936	5.1	80–109%	Range spans bands
Bolingbrook	Will County	390–406	697,966	252,149	4.7	74–77%	Below average
O Fallon	St. Clair County	127–165	247,743	71,801	4.5	70–88%	Below average

Scroll the table sideways to see all columns.

Lowest vs. highest measured density

Fewest competitors per capita

115%

108%

105%

104%

102%

99%

98%

98%

Most competitors per capita

70%

74%

80%

85%

93%

94%

94%

97%

Low measured density is not evidence of opportunity. A county with few restaurants may simply lack foot traffic, retail space, or demand. Use the ranking to find where to look, then verify locally.

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BizGapMap — free, no-login small-business saturation reports for major U.S. counties. Built entirely from public U.S. Census, BLS, and IRS data (ZBP 2023, ACS 2024 5-year, PEP 2024, LODES, QCEW, IRS SOI). No forecasts, no revenue guesses — withheld cells are marked, and the few derived counts are labelled as estimates.