Health care · County · Illinois
Dentists and orthodontists in Winnebago County, IL
The dentists and orthodontists in Winnebago County, IL, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 43 out of 100: Lower middle
Ranked #1,186 of 1,886 scored counties
#54 of 64 scored counties in Illinois
- Listings
- 134
- 26 chain locations (19%)
- Official establishments
- 104
- −2.8% since 2019
- Household spending a year
- $154.6M
- On medical and dental services · $1,333 a household
- Spending per listing
- $1.2M
- 17% above the U.S.
- Listings per 10k households
- 11.6
- 11% below the U.S.
- Population, 2025
- 283,674
- −0.4% since 2020
See the dentists and orthodontists around any address in Winnebago County
The site report maps the dentists and orthodontists 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
As of September 2026, map listings count 134 dentists and orthodontists in Winnebago County. Of those, 26 are chain locations, or 19%, against 12% across the U.S. That comes to 11.6 for every 10,000 households, 11% below the U.S. rate of 13.1.
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 is about $1.2M of household spending for each practice on map listings, 17% above the U.S. figure of $984K. That spending covers all medical and dental services, which dentists and orthodontists share with other businesses in the trade.
The official count of businesses with payroll classed as offices of dentists in Winnebago County was 104 in 2023, down 2.8% from 2019. That is one for every 1,116 households, against one for every 952 across the U.S. Since fiscal 2022, 5 SBA-backed loans worth $3.9M have gone to businesses classed as offices of dentists 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 dentists and orthodontists in Winnebago County is 43 (lower middle), #1,186 of 1,886 scored counties and #54 of 64 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 dentists and orthodontists 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 | 11.6 | 13.8 | 13.1 |
| Spending per listing | $1.2M | $1.1M | $984K |
| Households per official establishment | 1,116 | 871 | 952 |
| Official establishment growth, 2019–2023 | −2.8% | −2.7% | −0.5% |
| 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 | 43 | 48 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 107 → 104−2.8% over the period
- Employees, 2023
- 906
- Annual payroll, 2023
- $58.3M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 13426 chain locations
- Listings at the U.S. rate for this spending
- 157The 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 dentists 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 dentists and orthodontists 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 cardDentists and orthodontists across Illinois
Every Illinois market ranked →The highest-scoring counties in Illinois for dentists and orthodontists, 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 |
|---|---|---|---|---|---|---|
| 1Woodford County, IL | 79 | 8 | 5.4 | $2.8M | −0.8% | #80 of 1,886 |
| 2Douglas County, IL | 75 | 5 | 6.4 | $2.1M | +0.5% | #147 of 1,886 |
| 3Grundy County, IL | 75 | 20 | 9.7 | $1.6M | +2.9% | #160 of 1,886 |
| 4Christian County, IL | 74 | 5 | 3.7 | $3.5M | −1.5% | #161 of 1,886 |
| 5Livingston County, IL | 74 | 7 | 4.8 | $2.9M | −2.1% | #162 of 1,886 |
| 6Bureau County, IL | 74 | 8 | 5.7 | $2.3M | −2.1% | #168 of 1,886 |
| 7Clinton County, IL | 73 | 11 | 7.5 | $2M | +0.6% | #197 of 1,886 |
| 8Ogle County, IL | 73 | 16 | 7.7 | $1.9M | −0.7% | #199 of 1,886 |
| 9Crawford County, IL | 71 | 5 | 6.7 | $2M | +0.1% | #234 of 1,886 |
| 10Kendall County, IL | 71 | 52 | 11.5 | $1.5M | +9.9% | #250 of 1,886 |
| 54Winnebago County, IL | 43 | 134 | 11.6 | $1.2M | −0.4% | #1,186 of 1,886 |
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 dentists and orthodontists are in Winnebago County, IL?
Winnebago County has 134 dentists and orthodontists on map listings as of September 2026. 26 of them (19%) are chain locations. The listings count dental practices, orthodontists included. Official counts show 104 businesses with payroll classed as offices of dentists in 2023, down 2.8% from 2019.
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 134 dentists and orthodontists on map listings, it comes to $1.2M per practice. The spending figure covers all medical and dental services, not only dentists and orthodontists. 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 dentists and orthodontists?
Winnebago County has 11.6 dentists and orthodontists per 10,000 households, 11% below the U.S. rate of 13.1. Spending per practice is $1.2M, 17% above the U.S. figure of $984K. At the national ratio of dentists and orthodontists to household spending, Winnebago County would have about 157, against 134 on map listings. There is one business with payroll in the industry for every 1,116 households, against one for every 952 across the U.S. The official count fell 2.8% from 2019 to 2023, against −0.5% 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 43 for dentists and orthodontists (lower middle), #1,186 of 1,886 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 dentists and orthodontists 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 dentists and orthodontists · 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.