Health care · County · South Dakota
Optometrists and eye clinics in Lake County, SD
The optometrists and eye clinics in Lake County, SD, the household spending behind them and how the market ranks against other counties.
Groundwork market score
Not scored
The score needs at least 5 listings; this market has 2.
- Listings
- 2
- 0 chain locations (0%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $6.6M
- On medical and dental services · $1,402 a household
- Spending per listing
- $3.3M
- Too few listings to compare
- Listings per 10k households
- 4.2
- Too few listings to compare
- Population, 2025
- 10,993
- −0.2% since 2020
See the optometrists and eye clinics around any address in Lake 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 Lake 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
Households in Lake County spend about $6.6M a year on medical and dental services, or $1,402 per household, 9% above the U.S. average. Spread across 2 optometrists and eye clinics, that is $3.3M per practice. The spending figure covers all medical and dental services, not only optometrists and eye clinics.
There are 2 optometrists and eye clinics on map listings in Lake County as of September 2026. That is 4.2 per 10,000 households.
Official counts don’t publish a figure for offices of optometrists in Lake County, since they leave out counts under 3.
Population estimates show Lake County declined 0.2% from 2020 to 2025, against +3.1% for the U.S. With 2 optometrists and eye clinics on map listings, Lake County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.
How Lake County compares
The same measures for South Dakota 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.
| Measure | Lake County | South Dakota | U.S. |
|---|---|---|---|
| Listings per 10k households | 4.2 | 5.4 | 4.1 |
| Spending per listing | $3.3M | $2.6M | $3.1M |
| Households per official establishment | n/a | 3,179 | 5,742 |
| Official establishment growth, 2019–2023 | n/a | +5.5% | +0.2% |
| Population growth, 2020–2025 | −0.2% | +5.3% | +3.1% |
| Spending per household on medical and dental services | $1,402 | $1,402 | $1,288 |
| Median household income | $76,808 | $75,081 | $80,734 |
| Groundwork market score | Not scored | 33 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- n/a
- Employees, 2023
- n/a
- Annual payroll, 2023
- n/a
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 20 chain locations
- Listings at the U.S. rate for this spending
- 2The 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 Lake 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 Lake County
- Population, 2025 estimate
- 10,993−0.2% since 2020
- Households
- 4,716
- Median age
- 44.3
- Homes lived in by their owners
- 74%
- Vehicles per household
- 2.3
- Land area
- 563 sq. mi.
- People per square mile
- 19
- Median household income
- $76,808+24.2% vs. 2015–2019, before inflation
- Average household income
- $104,754
- Median home value
- $247,600
- Jobs located here
- 5,183
- Daytime population
- 10,346Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Lake 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 Lake County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardOptometrists and eye care across South Dakota
Every South Dakota market ranked →The highest-scoring counties in South Dakota for optometrists and eye clinics, numbered among those based in South Dakota, with Lake County marked.
Top counties in South Dakota
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Brown County, SD | 61 | 5 | 3.1 | $4.5M | −1.7% | #388 of 1,302 |
| 2Minnehaha County, SD | 57 | 46 | 5.4 | $2.7M | +7.6% | #502 of 1,302 |
| 3Lincoln County, SD | 44 | 22 | 7.9 | $2M | +17.5% | #830 of 1,302 |
| 4Brookings County, SD | 42 | 8 | 5.8 | $2.3M | +9.6% | #877 of 1,302 |
| 5Pennington County, SD | 39 | 33 | 7.1 | $2M | +6.6% | #938 of 1,302 |
| 6Lawrence County, SD | 38 | 9 | 7.5 | $1.8M | +14.0% | #955 of 1,302 |
| 7Yankton County, SD | 37 | 7 | 7.2 | $1.9M | +1.5% | #977 of 1,302 |
| 8Union County, SD | 32 | 9 | 12.3 | $1.3M | +3.3% | #1,063 of 1,302 |
| 9Davison County, SD | 30 | 5 | 5.6 | $2.3M | +0.6% | #1,088 of 1,302 |
| 10Codington County, SD | 29 | 17 | 13.6 | $982K | +4.3% | #1,108 of 1,302 |
| Lake County, SD | Not scored | 2 | 4.2 | $3.3M | −0.2% |
Other business types in Lake 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
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many optometrists and eye clinics are in Lake County, SD?
As of September 2026, map listings count 2 optometrists and eye clinics in Lake County. The listings count optometrists and eye clinics. No official count is published for offices of optometrists in Lake County: counts under 3 are left out.
How much do households in Lake County, SD spend on medical and dental services?
About $6.6M a year, or $1,402 per household. That is 9% above the U.S. average (an index of 109, where 100 is the U.S. average). Spread across the 2 optometrists and eye clinics on map listings, it comes to $3.3M 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 4,716 households in Lake County and national spending patterns by income.
How does Lake County, SD compare with the U.S. for optometrists and eye clinics?
Lake County has 2 optometrists and eye clinics on map listings, too few for a steady comparison with the U.S. rate. The count on map listings matches the U.S. ratio of optometrists and eye clinics to household spending.
How fast is Lake County, SD growing?
Population estimates put Lake County at 10,993 people in 2025, down 0.2% since 2020, against +3.1% for the U.S. It has 4,716 households. Median household income in Lake County is $76,808, 5% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 24.2%, 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. Lake County has no market score for optometrists and eye clinics: the score needs at least 5 on map listings, and it has 2.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Lake 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 Lake County
Screening a site or an acquisition in Lake 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 Lake 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.