Groundwork

Health care · County · Wisconsin

Optometrists and eye clinics in Marathon County, WI

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

Groundwork market score · out of 100

Score 71 out of 100: Upper middle

Ranked #183 of 1,302 scored counties
#10 of 40 scored counties in Wisconsin

Listings
19
5 chain locations (26%)
Official establishments
9
Businesses with payroll, 2023
Household spending a year
$82M
On medical and dental services · $1,416 a household
Spending per listing
$4.3M
38% above the U.S.
Listings per 10k households
3.3
20% below the U.S.
Population, 2025
139,432
+1.0% since 2020

See the optometrists and eye clinics around any address in Marathon 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 Marathon 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

Household spending on medical and dental services in Marathon County comes to about $82M a year: $1,416 per household, 10% above the U.S. average. Spread across 19 optometrists and eye clinics, that is $4.3M per practice, 38% above the U.S. figure of $3.1M. The spending figure covers all medical and dental services, not only optometrists and eye clinics.

Marathon County has 19 optometrists and eye clinics on map listings as of September 2026. 5 of them (26%) are chain locations, against 20% across the U.S. That is 3.3 per 10,000 households, 20% below the U.S. rate of 4.1.

In 2023, official counts showed 9 businesses with payroll in Marathon County classed as offices of optometrists. That is one for every 6,430 households, against one for every 5,742 across the U.S.

Between 2020 and 2025, the population of Marathon County grew 1.0%, slower than the U.S. (+3.1%). Marathon County scores 71 (upper middle) on the Groundwork market score for optometrists and eye clinics, ranking #183 of 1,302 scored counties and #10 of 40 scored counties in Wisconsin. That puts it in the top quarter of counties.

How Marathon County compares

The same measures for Wisconsin 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 Marathon County, WI compared with Wisconsin and the U.S.
MeasureMarathon CountyWisconsinU.S.
Listings per 10k households3.34.14.1
Spending per listing$4.3M$3.5M$3.1M
Households per official establishment6,4306,8315,742
Official establishment growth, 2019–2023n/a+14.2%+0.2%
Population growth, 2020–2025+1.0%+1.3%+3.1%
Spending per household on medical and dental services$1,416$1,435$1,288
Median household income$77,884$77,485$80,734
Groundwork market score7171

Official counts and lending

Businesses

Official establishments, 2019 to 2023
8 → 9
Employees, 2023
100
Annual payroll, 2023
$5M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
195 chain locations
Listings at the U.S. rate for this spending
26The 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 Marathon 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 Marathon County

Population, 2025 estimate
139,432+1.0% since 2020
Households
57,866
Median age
42.0
Homes lived in by their owners
73%
Vehicles per household
2.0
Land area
1,545 sq. mi.
People per square mile
90
Median household income
$77,884+24.4% vs. 2015–2019, before inflation
Average household income
$97,899
Median home value
$219,600
Jobs located here
72,449
Daytime population
141,458Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Marathon 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 Marathon 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 Wisconsin

Every Wisconsin market ranked →

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

Top counties in Wisconsin

Counties in Wisconsin ranked for optometrists and eye clinics by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Washington County, WI82173.0$5.2M+1.8%#36 of 1,302
2Eau Claire County, WI80153.4$4.2M+3.0%#57 of 1,302
3Rock County, WI78203.0$4.7M+1.7%#80 of 1,302
4Dodge County, WI7792.5$5.5M−0.3%#89 of 1,302
5Portage County, WI7662.0$6.9M+2.2%#106 of 1,302
6Calumet County, WI7662.8$5.4M+2.9%#108 of 1,302
7Chippewa County, WI7672.6$5.3M+1.9%#109 of 1,302
8Walworth County, WI74122.8$5.3M+0.8%#129 of 1,302
9Grant County, WI7252.5$5.3M+0.9%#157 of 1,302
10Marathon County, WI71193.3$4.3M+1.0%#183 of 1,302

Other business types in Marathon County

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

Questions

How many optometrists and eye clinics are in Marathon County, WI?

Map listings as of September 2026 show 19 optometrists and eye clinics in Marathon County. 5 of them (26%) are chain locations. The listings count optometrists and eye clinics. Official counts show 9 businesses with payroll classed as offices of optometrists in 2023.

How much do households in Marathon County, WI spend on medical and dental services?

About $82M a year, or $1,416 per household. That is 10% above the U.S. average (an index of 110, where 100 is the U.S. average). Spread across the 19 optometrists and eye clinics on map listings, it comes to $4.3M per practice. That spending covers all medical and dental services, which optometrists and eye clinics share with other businesses in the trade. It is estimated from the incomes of the 57,866 households in Marathon County and national spending patterns by income.

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

Marathon County has 3.3 optometrists and eye clinics per 10,000 households, 20% below the U.S. rate of 4.1. Spending per practice is $4.3M, 38% above the U.S. figure of $3.1M. At the U.S. ratio of optometrists and eye clinics to household spending, Marathon County would have about 26, against 19 on map listings. There is one business with payroll in the industry for every 6,430 households, against one for every 5,742 across the U.S.

How fast is Marathon County, WI growing?

Population estimates put Marathon County at 139,432 people in 2025, up 1.0% since 2020, slower than the U.S. (+3.1%). It has 57,866 households. Median household income in Marathon County is $77,884, 4% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 24.4%, 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. Marathon County scores 71 for optometrists and eye clinics (upper middle), #183 of 1,302 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Marathon 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 Marathon 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.