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Health care · County · Illinois

Optometrists and eye clinics in Winnebago County, IL

Competitor counts, household spending and official business counts for optometrists and eye clinics in Winnebago County, IL, set against other counties and the U.S.

Groundwork market score · out of 100

Score 62 out of 100: Upper middle

Ranked #373 of 1,302 scored counties
#12 of 46 scored counties in Illinois

Listings
48
14 chain locations (29%)
Official establishments
13
Businesses with payroll, 2023
Household spending a year
$154.6M
On medical and dental services · $1,333 a household
Spending per listing
$3.2M
3% above the U.S.
Listings per 10k households
4.1
In line with the U.S.
Population, 2025
283,674
−0.4% since 2020

See the optometrists and eye clinics around any address in Winnebago County

The site report maps the optometrists and eye clinics 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.

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Survey 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 48 optometrists and eye clinics in Winnebago County. Of those, 14 are chain locations, or 29%, against 20% across the U.S. That is 4.1 per 10,000 households, in line with the U.S. rate of 4.1.

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. Spread across 48 optometrists and eye clinics, that is $3.2M per practice, 3% above the U.S. figure of $3.1M. That spending covers all medical and dental services, which optometrists and eye clinics share with other businesses in the trade.

The official count of businesses with payroll classed as offices of optometrists in Winnebago County was 13 in 2023. That is one for every 8,924 households, against one for every 5,742 across the U.S.

Between 2020 and 2025, the population of Winnebago County declined 0.4%, against +3.1% for the U.S. For optometrists and eye clinics, Winnebago County has a Groundwork market score of 62 (upper middle): #373 of 1,302 scored counties and #12 of 46 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 optometrists and eye clinics counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Optometrists and eye care in Winnebago County, IL compared with Illinois and the U.S.
MeasureWinnebago CountyIllinoisU.S.
Listings per 10k households4.14.64.1
Spending per listing$3.2M$3.3M$3.1M
Households per official establishment8,9245,8025,742
Official establishment growth, 2019–2023n/a+3.1%+0.2%
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 score6253

Official counts and lending

Businesses

Official establishments, 2019 to 2023
12 → 13
Employees, 2023
75
Annual payroll, 2023
$3.5M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
4814 chain locations
Listings at the U.S. rate for this spending
49The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
0
Amount
$0

SBA-backed loans to businesses classed as offices of optometrists 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 optometrists and eye clinics 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.

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Optometrists and eye care across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for optometrists and eye clinics, numbered among those based in Illinois, with Winnebago County marked.

Top counties in Illinois

Counties in Illinois ranked for optometrists and eye clinics by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Kendall County, IL81112.4$7M+9.9%#41 of 1,302
2McLean County, IL81202.8$5.2M+0.1%#44 of 1,302
3Champaign County, IL79242.8$4.8M+1.8%#64 of 1,302
4Sangamon County, IL78232.7$5.3M−1.0%#76 of 1,302
5Tazewell County, IL75183.3$4.3M−0.9%#123 of 1,302
6Rock Island County, IL72152.4$5.5M−1.7%#156 of 1,302
7Kane County, IL72925.0$3.3M+1.8%#172 of 1,302
8Vermilion County, IL6962.0$6.3M−3.7%#209 of 1,302
9Will County, IL661194.9$3.5M+2.2%#283 of 1,302
10Kankakee County, IL63184.4$3.2M−1.7%#349 of 1,302
12Winnebago County, IL62484.1$3.2M−0.4%#373 of 1,302

Other business types in Winnebago County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many optometrists and eye clinics are in Winnebago County, IL?

Winnebago County has 48 optometrists and eye clinics on map listings as of September 2026. 14 of them (29%) are chain locations. The listings count optometrists and eye clinics. Official counts show 13 businesses with payroll classed as offices of optometrists in 2023.

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 48 optometrists and eye clinics on map listings, it comes to $3.2M per practice. The spending figure covers all medical and dental services, not only optometrists and eye clinics. 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 optometrists and eye clinics?

Winnebago County has 4.1 optometrists and eye clinics per 10,000 households, in line with the U.S. rate of 4.1. Spending per practice is $3.2M, 3% above the U.S. figure of $3.1M. At the national ratio of optometrists and eye clinics to household spending, Winnebago County would have about 49, against 48 on map listings. There is one business with payroll in the industry for every 8,924 households, against one for every 5,742 across 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 62 for optometrists and eye clinics (upper middle), #373 of 1,302 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 optometrists and eye clinics 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 optometrists and eye clinics · 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.