Health care · County · Illinois
Medical and dental practices in Cook County, IL
How Cook County, IL compares with other counties and the U.S. for medical and dental practices: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 33 out of 100: Lower middle
Ranked #1,988 of 2,394 scored counties
#81 of 87 scored counties in Illinois
- Listings
- 23,588
- 2,261 chain locations (10%)
- Official establishments
- 8,123
- −2.2% since 2019
- Household spending a year
- $3.2B
- On medical and dental services · $1,531 a household
- Spending per listing
- $136K
- 11% below the U.S.
- Listings per 10k households
- 112.3
- 33% above the U.S.
- Population, 2025
- 5,194,625
- −1.3% since 2020
See the medical and dental practices around any address in Cook County
The site report maps the medical and dental practices on map listings near the address, by name and distance, and sizes the households and spending around it. Or open the report at the center of Cook County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
Cook County scores 33 (lower middle) on the Groundwork market score for medical and dental practices, ranking #1,988 of 2,394 scored counties and #81 of 87 scored counties in Illinois. That puts it in the bottom quarter of counties.
Map listings as of September 2026 show 23,588 medical and dental practices in Cook County. Chain locations make up 10% of them, against 11% across the U.S. That comes to 112.3 for every 10,000 households, 33% above the U.S. rate of 84.5.
At $1,531 per household (19% above the U.S. average), households in Cook County spend about $3.2B a year on medical and dental services. Spread across 23,588 medical and dental practices, that is $136K per practice, 11% below the U.S. figure of $152K.
Official counts show 8,123 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Cook County in 2023, down 2.2% from 2019. That is one for every 259 households, against one for every 270 across the U.S. Since fiscal 2022, 87 SBA-backed loans worth $43.1M have gone to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Cook County. Between 2020 and 2025, the population of Cook County declined 1.3%, against +3.1% for the U.S.
How Cook County compares
The same measures for Illinois and the whole U.S. Spending per listing divides a year of household spending on all medical and dental services by the medical and dental practices counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.
| Measure | Cook County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 112.3 | 102.3 | 84.5 |
| Spending per listing | $136K | $148K | $152K |
| Households per official establishment | 259 | 269 | 270 |
| Official establishment growth, 2019–2023 | −2.2% | +0.1% | +1.5% |
| Population growth, 2020–2025 | −1.3% | −0.6% | +3.1% |
| Spending per household on medical and dental services | $1,531 | $1,517 | $1,288 |
| Median household income | $83,498 | $83,390 | $80,734 |
| Groundwork market score | 33 | 43 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 8,310 → 8,123−2.2% over the period
- Employees, 2023
- 73,778
- Annual payroll, 2023
- $6.4B
- One-person businesses, 2023
- 5,677Businesses with no payroll
- Map listings, September 2026
- 23,5882,261 chain locations
- Listings at the U.S. rate for this spending
- 21,079The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 87
- Amount
- $43.1M
SBA-backed loans to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Cook County, through June 2026, placed by the borrower’s ZIP code. Official establishments are businesses with payroll; the official counts leave out places with fewer than 3.
Population and households in Cook County
- Population, 2025 estimate
- 5,194,625−1.3% since 2020
- Households
- 2,100,230
- Median age
- 39.2
- Homes lived in by their owners
- 58%
- Vehicles per household
- 1.4
- Land area
- 945 sq. mi.
- People per square mile
- 5,484
- Median household income
- $83,498+29.1% vs. 2015–2019, before inflation
- Average household income
- $120,729
- Median home value
- $324,500
- Jobs located here
- 2,683,238
- Daytime population
- 5,468,881Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Cook County?
These figures cover the whole county. A site report draws rings around one address and counts what’s inside them: households, spending, jobs, and the medical and dental practices on map listings by name and distance.
Or open the report at the center of Cook County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardDoctors, dentists and clinics across Illinois
Every Illinois market ranked →The highest-scoring counties in Illinois for medical and dental practices, numbered among those based in Illinois, with Cook County marked.
Top counties in Illinois
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Piatt County, IL | 84 | 24 | 34.7 | $441K | +0.6% | #51 of 2,394 |
| 2Cumberland County, IL | 76 | 8 | 19.2 | $700K | −2.1% | #162 of 2,394 |
| 3Kendall County, IL | 76 | 285 | 62.8 | $270K | +9.9% | #184 of 2,394 |
| 4Crawford County, IL | 75 | 32 | 42.7 | $317K | +0.1% | #213 of 2,394 |
| 5Woodford County, IL | 75 | 75 | 51.1 | $304K | −0.8% | #215 of 2,394 |
| 6Johnson County, IL | 74 | 6 | 14.6 | $876K | +0.4% | #220 of 2,394 |
| 7Mercer County, IL | 74 | 21 | 32.0 | $436K | −2.6% | #227 of 2,394 |
| 8Washington County, IL | 74 | 21 | 36.2 | $383K | −1.2% | #229 of 2,394 |
| 9Carroll County, IL | 73 | 20 | 30.4 | $419K | −1.7% | #250 of 2,394 |
| 10Hancock County, IL | 72 | 16 | 21.0 | $618K | −4.4% | #270 of 2,394 |
| 81Cook County, IL | 33 | 23,588 | 112.3 | $136K | −1.3% | #1,988 of 2,394 |
Other business types in Cook County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
- Doctors, dentists and clinics33
- Dentists and orthodontists35
- Primary care and pediatrics49
- Urgent care and walk-in clinics65
- Chiropractors67
- Physical therapy47
- Optometrists and eye care60
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many medical and dental practices are in Cook County, IL?
There are 23,588 medical and dental practices on map listings in Cook County as of September 2026. 2,261 of them (10%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 8,123 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, down 2.2% from 2019. Official counts also show 5,677 one-person businesses without payroll.
How much do households in Cook County, IL spend on medical and dental services?
About $3.2B a year, or $1,531 per household. That is 19% above the U.S. average (an index of 119, where 100 is the U.S. average). Spread across the 23,588 medical and dental practices on map listings, it comes to $136K per practice. It is estimated from the incomes of the 2,100,230 households in Cook County and national spending patterns by income.
How does Cook County, IL compare with the U.S. for medical and dental practices?
Cook County has 112.3 medical and dental practices per 10,000 households, 33% above the U.S. rate of 84.5. Spending per practice is $136K, 11% below the U.S. figure of $152K. At the national ratio of medical and dental practices to household spending, Cook County would have about 21,079, against 23,588 on map listings. There is one business with payroll in the industry for every 259 households, against one for every 270 across the U.S. The official count fell 2.2% from 2019 to 2023, against +1.5% for the U.S.
How fast is Cook County, IL growing?
Population estimates put Cook County at 5,194,625 people in 2025, down 1.3% since 2020, against +3.1% for the U.S. It has 2,100,230 households. Median household income in Cook County is $83,498, 3% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.1%, before inflation.
What is the Groundwork market score?
The Groundwork market score runs from 0 to 100 and compares a market with others of its kind for one business type: states with states, metro areas with metro areas, small-town markets and counties with their own. It weighs household spending per competitor (35%), households per business with payroll (25%), population growth (20%) and spending power (20%), each ranked against those peers. A higher score means that, taken together, the market has more household spending and more households for each business already there, faster population growth and more spending per household than similar markets. It describes a market, not any one site or deal. Cook County scores 33 for medical and dental practices (lower middle), #1,988 of 2,394 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Cook County. It maps the medical and dental practices on map listings near the site and sizes the households and spending within the distance you choose. New accounts get 10 actions over 3 days, no card.
How the score works · Top markets for medical and dental practices · All 56 business types in Cook County
Screening a site or an acquisition in Cook County?
A site report maps the competitors on map listings near an address and sizes the households and spending around it.
The button opens the report at the center of Cook County. Signed out, you see a blurred preview; on an account, each report is one action.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are estimates for research only. Not investment or real estate advice.