Health care · County · Illinois
Medical and dental practices in Winnebago County, IL
Competitor counts, household spending and official business counts for medical and dental practices in Winnebago County, IL, set against other counties and the U.S.
Groundwork market score · out of 100
Score 42 out of 100: Lower middle
Ranked #1,589 of 2,394 scored counties
#71 of 87 scored counties in Illinois
- Listings
- 907
- 91 chain locations (10%)
- Official establishments
- 331
- +2.2% since 2019
- Household spending a year
- $154.6M
- On medical and dental services · $1,333 a household
- Spending per listing
- $170K
- 12% above the U.S.
- Listings per 10k households
- 78.2
- 7% below the U.S.
- Population, 2025
- 283,674
- −0.4% since 2020
See the medical and dental practices around any address in Winnebago 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 Winnebago 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
At $1,333 per household (3% above the U.S. average), households in Winnebago County spend about $154.6M a year on medical and dental services. That works out to $170K per practice, 12% above the U.S. figure of $152K.
There are 907 medical and dental practices on map listings in Winnebago County as of September 2026. Of those, 91 are chain locations, or 10%, against 11% across the U.S. That is 78.2 per 10,000 households, 7% below the U.S. rate of 84.5.
The official count of businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Winnebago County was 331 in 2023, up 2.2% from 2019. That is one for every 350 households, against one for every 270 across the U.S. Official counts also show 101 one-person businesses without payroll. Since fiscal 2022, 5 SBA-backed loans worth $3.9M have gone to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Winnebago County.
Between 2020 and 2025, the population of Winnebago County declined 0.4%, against +3.1% for the U.S. The Groundwork market score for medical and dental practices in Winnebago County is 42 (lower middle), #1,589 of 2,394 scored counties and #71 of 87 scored counties in Illinois.
How Winnebago 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 | Winnebago County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 78.2 | 102.3 | 84.5 |
| Spending per listing | $170K | $148K | $152K |
| Households per official establishment | 350 | 269 | 270 |
| Official establishment growth, 2019–2023 | +2.2% | +0.1% | +1.5% |
| Population growth, 2020–2025 | −0.4% | −0.6% | +3.1% |
| Spending per household on medical and dental services | $1,333 | $1,517 | $1,288 |
| Median household income | $65,837 | $83,390 | $80,734 |
| Groundwork market score | 42 | 43 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 324 → 331+2.2% over the period
- Employees, 2023
- 4,155
- Annual payroll, 2023
- $401.8M
- One-person businesses, 2023
- 101Businesses with no payroll
- Map listings, September 2026
- 90791 chain locations
- Listings at the U.S. rate for this spending
- 1,014The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 5
- Amount
- $3.9M
SBA-backed loans to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Winnebago 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 Winnebago County
- Population, 2025 estimate
- 283,674−0.4% since 2020
- Households
- 116,014
- Median age
- 40.4
- Homes lived in by their owners
- 66%
- Vehicles per household
- 1.7
- Land area
- 513 sq. mi.
- People per square mile
- 552
- Median household income
- $65,837+20.8% vs. 2015–2019, before inflation
- Average household income
- $86,474
- Median home value
- $164,500
- Jobs located here
- 121,867
- Daytime population
- 276,449Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Winnebago 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 Winnebago 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 Winnebago 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 |
| 71Winnebago County, IL | 42 | 907 | 78.2 | $170K | −0.4% | #1,589 of 2,394 |
Other business types in Winnebago 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 clinics42
- Dentists and orthodontists43
- Primary care and pediatrics64
- Urgent care and walk-in clinics
- Chiropractors43
- Physical therapy60
- Optometrists and eye care62
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many medical and dental practices are in Winnebago County, IL?
As of September 2026, map listings count 907 medical and dental practices in Winnebago County. 91 of them (10%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 331 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, up 2.2% from 2019. Another 101 one-person businesses have no payroll, by official counts.
How much do households in Winnebago County, IL spend on medical and dental services?
About $154.6M a year, or $1,333 per household. That is 3% above the U.S. average (an index of 103, where 100 is the U.S. average). Spread across the 907 medical and dental practices on map listings, it comes to $170K per practice. It is estimated from the incomes of the 116,014 households in Winnebago County and national spending patterns by income.
How does Winnebago County, IL compare with the U.S. for medical and dental practices?
Winnebago County has 78.2 medical and dental practices per 10,000 households, 7% below the U.S. rate of 84.5. Spending per practice is $170K, 12% above the U.S. figure of $152K. At the U.S. ratio of medical and dental practices to household spending, Winnebago County would have about 1,014, against 907 on map listings. There is one business with payroll in the industry for every 350 households, against one for every 270 across the U.S. The official count rose 2.2% from 2019 to 2023, against +1.5% for the U.S.
How fast is Winnebago County, IL growing?
Population estimates put Winnebago County at 283,674 people in 2025, down 0.4% since 2020, against +3.1% for the U.S. It has 116,014 households. The median household income in Winnebago County is $65,837 a year, 18% below the U.S. median of $80,734. That rose 20.8% from the 2015–2019 survey, 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. Winnebago County scores 42 for medical and dental practices (lower middle), #1,589 of 2,394 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Winnebago 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 Winnebago County
Screening a site or an acquisition in Winnebago 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 Winnebago 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.