Health care · County · South Dakota
Optometrists and eye clinics in Day County, SD
How Day County, SD compares with other counties and the U.S. for optometrists and eye clinics: competitors, household spending, official counts and growth.
Groundwork market score
Not scored
Counties under 10,000 people aren’t scored, since a few businesses can swing their figures.
- Listings
- 2
- 2 chain locations (100%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $3.3M
- On medical and dental services · $1,377 a household
- Spending per listing
- $1.6M
- Too few listings to compare
- Listings per 10k households
- 8.4
- Too few listings to compare
- Population, 2025
- 5,484
- +0.8% since 2020
See the optometrists and eye clinics around any address in Day 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 Day 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 Day County spend about $3.3M a year on medical and dental services, or $1,377 per household, 7% above the U.S. average. That is about $1.6M of household spending for each practice on map listings. The spending figure covers all medical and dental services, not only optometrists and eye clinics.
Day County has 2 optometrists and eye clinics on map listings as of September 2026. That is 8.4 per 10,000 households.
Official counts don’t publish a figure for offices of optometrists in Day County, since they leave out counts under 3.
Population estimates put the population change in Day County from 2020 to 2025 at +0.8%, slower than the U.S. (+3.1%). Counties under 10,000 people aren’t given a market score, since a few businesses can swing their figures.
How Day 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 | Day County | South Dakota | U.S. |
|---|---|---|---|
| Listings per 10k households | 8.4 | 5.4 | 4.1 |
| Spending per listing | $1.6M | $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 | +0.8% | +5.3% | +3.1% |
| Spending per household on medical and dental services | $1,377 | $1,402 | $1,288 |
| Median household income | $66,033 | $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
- 22 chain locations
- Listings at the U.S. rate for this spending
- 1The 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 Day 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 Day County
- Population, 2025 estimate
- 5,484+0.8% since 2020
- Households
- 2,371
- Median age
- 48.2
- Homes lived in by their owners
- 75%
- Vehicles per household
- 2.3
- Land area
- 1,029 sq. mi.
- People per square mile
- 5
- Median household income
- $66,033
- Average household income
- $91,552
- Median home value
- $173,600
- Jobs located here
- 1,813
- Daytime population
- 4,795Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Day 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 Day 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 Day 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 |
| Day County, SD | Not scored | 2 | 8.4 | $1.6M | +0.8% |
Other business types in Day County
None has a Groundwork market score here. Counties under 10,000 people aren’t scored, since a few businesses can swing their figures.
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 Day County, SD?
Map listings as of September 2026 show 2 optometrists and eye clinics in Day County. The listings count optometrists and eye clinics. No official count is published for offices of optometrists in Day County: counts under 3 are left out.
How much do households in Day County, SD spend on medical and dental services?
About $3.3M a year, or $1,377 per household. That is 7% above the U.S. average (an index of 107, where 100 is the U.S. average). Spread across the 2 optometrists and eye clinics on map listings, it comes to $1.6M 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 2,371 households in Day County and national spending patterns by income.
How does Day County, SD compare with the U.S. for optometrists and eye clinics?
Day County has 2 optometrists and eye clinics on map listings, too few for a steady comparison with the U.S. rate. At the U.S. ratio of optometrists and eye clinics to household spending, Day County would have about 1, against 2 on map listings.
How fast is Day County, SD growing?
Population estimates put Day County at 5,484 people in 2025, up 0.8% since 2020, slower than the U.S. (+3.1%). It has 2,371 households. Median household income in Day County is $66,033, 18% below the U.S. median of $80,734.
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. The score leaves out counties under 10,000 people, where a handful of businesses would swing it.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Day 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 Day County
Screening a site or an acquisition in Day 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 Day 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.