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Chiropractors in Illinois

How many chiropractors 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: Chiropractic offices · Chiropractic clinics. Counted together because official statistics use one 621310 code.

State verdict (covered counties): In line with the U.S. rate — 98% of the U.S. rate

Counties covered

in Illinois

Chiropractors

1,221

establishments (2023)

Per 10,000 present

1.0

residents + 0.5×workers

U.S. average

1.0

per 10,000 present

State index

98%

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 chiropractors and the people present, not foot traffic, income, rent, or whether locals want more.

Counties in Illinois

City	County	Chiropractors	Residents	Workers	Per 10k	Index	Verdict
Downers Grove	DuPage County	217–245	961,096	599,180	1.7	175–187%	High density
Moline	Rock Island County	28–62	144,245	64,178	1.6	161–311%	Range spans bands
Elgin	Kane County	80–108	506,642	177,908	1.3	136–174%	Range spans bands
East Peoria	Tazewell County	20–44	132,535	43,220	1.3	132–276%	Range spans bands
Edwardsville	Madison County	40–80	268,375	94,295	1.3	129–257%	Range spans bands
Crystal Lake	McHenry County	47–71	328,030	92,834	1.3	127–187%	Range spans bands
O Fallon	St. Clair County	31–85	247,743	71,801	1.1	111–283%	Range spans bands
North Chicago	Lake County	96–134	747,565	351,156	1.0	105–141%	Above average
Oswego	Kendall County	14–26	121,968	28,643	1.0	104–193%	Range spans bands
Bolingbrook	Will County	77–117	697,966	252,149	0.9	95–142%	Range spans bands
Springfield	Sangamon County	21–79	194,839	70,812	0.9	93–278%	Range spans bands
Rockford	Winnebago County	31–73	284,853	110,619	0.9	92–182%	Range spans bands
Peoria	Peoria County	20–84	179,934	81,431	0.9	92–303%	Range spans bands
Normal	McLean County	16–68	173,337	61,936	0.8	79–308%	Range spans bands
Chicago	Cook County	469–693	5,132,257	2,445,383	0.7	75–104%	Range spans bands
Champaign	Champaign County	14–72	208,555	71,922	0.6	58–274%	Range spans bands

Scroll the table sideways to see all columns.

Lowest vs. highest measured density

Fewest competitors per capita

175%

161%

136%

132%

129%

127%

111%

105%

Most competitors per capita

58%

75%

79%

92%

92%

93%

95%

104%

Low measured density is not evidence of opportunity. A county with few chiropractors 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.