Groundwork

Health care · County · Ohio

Optometrists and eye clinics in Knox County, OH

How Knox County, OH compares with other counties and the U.S. for optometrists and eye clinics: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 56 out of 100: Upper middle

Ranked #521 of 1,302 scored counties
#31 of 63 scored counties in Ohio

Listings
10
1 chain location (10%)
Official establishments
5
Businesses with payroll, 2023
Household spending a year
$32.8M
On medical and dental services · $1,395 a household
Spending per listing
$3.3M
5% above the U.S.
Listings per 10k households
4.3
5% above the U.S.
Population, 2025
64,002
+1.9% since 2020

See the optometrists and eye clinics around any address in Knox 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 Knox 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 10 optometrists and eye clinics in Knox County. One of them (10%) is a chain location, against 20% across the U.S. Per 10,000 households, that is 4.3, 5% above the U.S. rate of 4.1.

Households in Knox County spend about $32.8M a year on medical and dental services, or $1,395 per household, 8% above the U.S. average. Spread across 10 optometrists and eye clinics, that is $3.3M per practice, 5% 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.

Official counts show 5 businesses with payroll classed as offices of optometrists in Knox County in 2023. That is one for every 4,698 households, against one for every 5,742 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $200K has gone to businesses classed as offices of optometrists in Knox County.

Population estimates show Knox County grew 1.9% from 2020 to 2025, slower than the U.S. (+3.1%). For optometrists and eye clinics, Knox County has a Groundwork market score of 56 (upper middle): #521 of 1,302 scored counties and #31 of 63 scored counties in Ohio.

How Knox County compares

The same measures for Ohio 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 Knox County, OH compared with Ohio and the U.S.
MeasureKnox CountyOhioU.S.
Listings per 10k households4.34.14.1
Spending per listing$3.3M$3.4M$3.1M
Households per official establishment4,6985,5455,742
Official establishment growth, 2019–2023n/a−3.8%+0.2%
Population growth, 2020–2025+1.9%+0.9%+3.1%
Spending per household on medical and dental services$1,395$1,398$1,288
Median household income$73,878$71,389$80,734
Groundwork market score5651

Official counts and lending

Businesses

Official establishments, 2019 to 2023
4 → 5
Employees, 2023
20
Annual payroll, 2023
$849K
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
101 chain location
Listings at the U.S. rate for this spending
11The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
1
Amount
$200K

SBA-backed loans to businesses classed as offices of optometrists in Knox 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 Knox County

Population, 2025 estimate
64,002+1.9% since 2020
Households
23,491
Median age
40.6
Homes lived in by their owners
76%
Vehicles per household
2.0
Land area
526 sq. mi.
People per square mile
120
Median household income
$73,878+27.9% vs. 2015–2019, before inflation
Average household income
$92,322
Median home value
$239,400
Jobs located here
19,622
Daytime population
59,569Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Knox 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 Knox 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 Ohio

Every Ohio market ranked →

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

Top counties in Ohio

Counties in Ohio ranked for optometrists and eye clinics by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Clermont County, OH84273.2$4.7M+3.9%#22 of 1,302
2Warren County, OH81293.2$5.5M+5.7%#42 of 1,302
3Portage County, OH78182.8$5.1M+1.0%#77 of 1,302
4Licking County, OH77223.2$4.7M+3.8%#93 of 1,302
5Medina County, OH77263.6$4.4M+1.3%#96 of 1,302
6Union County, OH77125.0$3.4M+16.5%#105 of 1,302
7Lorain County, OH74413.2$4.4M+3.1%#135 of 1,302
8Ashtabula County, OH7361.5$8.1M−0.8%#145 of 1,302
9Athens County, OH7352.2$5.7M+1.3%#146 of 1,302
10Hancock County, OH6872.2$6.3M+0.1%#223 of 1,302
31Knox County, OH56104.3$3.3M+1.9%#521 of 1,302

Other business types in Knox County

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

Questions

How many optometrists and eye clinics are in Knox County, OH?

Knox County has 10 optometrists and eye clinics on map listings as of September 2026. One of them (10%) is a chain location. The listings count optometrists and eye clinics. Official counts show 5 businesses with payroll classed as offices of optometrists in 2023.

How much do households in Knox County, OH spend on medical and dental services?

About $32.8M a year, or $1,395 per household. That is 8% above the U.S. average (an index of 108, where 100 is the U.S. average). Spread across the 10 optometrists and eye clinics on map listings, it comes to $3.3M 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 23,491 households in Knox County and national spending patterns by income.

How does Knox County, OH compare with the U.S. for optometrists and eye clinics?

Knox County has 4.3 optometrists and eye clinics per 10,000 households, 5% above the U.S. rate of 4.1. Spending per practice is $3.3M, 5% above the U.S. figure of $3.1M. At the national ratio of optometrists and eye clinics to household spending, Knox County would have about 11, against 10 on map listings. There is one business with payroll in the industry for every 4,698 households, against one for every 5,742 across the U.S.

How fast is Knox County, OH growing?

Population estimates put Knox County at 64,002 people in 2025, up 1.9% since 2020, slower than the U.S. (+3.1%). It has 23,491 households. The median household income in Knox County is $73,878 a year, 8% below the U.S. median of $80,734. That rose 27.9% 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. Knox County scores 56 for optometrists and eye clinics (upper middle), #521 of 1,302 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Knox 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 Knox County

Screening a site or an acquisition in Knox 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 Knox 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.