Health care · County · South Dakota
Dentists and orthodontists in Clay County, SD
How Clay County, SD compares with other counties and the U.S. for dentists and orthodontists: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 44 out of 100: Lower middle
Ranked #1,174 of 1,886 scored counties
#8 of 14 scored counties in South Dakota
- Listings
- 8
- 0 chain locations (0%)
- Official establishments
- 3
- Businesses with payroll, 2023
- Household spending a year
- $7.1M
- On medical and dental services · $1,280 a household
- Spending per listing
- $887K
- 10% below the U.S.
- Listings per 10k households
- 14.4
- 10% above the U.S.
- Population, 2025
- 15,031
- +0.2% since 2020
See the dentists and orthodontists around any address in Clay County
The site report maps the dentists and orthodontists 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 Clay 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
As of September 2026, map listings count 8 dentists and orthodontists in Clay County. None of them are chain locations, against 12% across the U.S. That comes to 14.4 for every 10,000 households, 10% above the U.S. rate of 13.1.
Households in Clay County spend about $7.1M a year on medical and dental services, or $1,280 per household, in line with the U.S. average. That works out to $887K per practice, 10% below the U.S. figure of $984K. That spending covers all medical and dental services, which dentists and orthodontists share with other businesses in the trade.
The official count of businesses with payroll classed as offices of dentists in Clay County was 3 in 2023. That is one for every 1,849 households, against one for every 952 across the U.S.
Population estimates put the population change in Clay County from 2020 to 2025 at +0.2%, slower than the U.S. (+3.1%). For dentists and orthodontists, Clay County has a Groundwork market score of 44 (lower middle): #1,174 of 1,886 scored counties and #8 of 14 scored counties in South Dakota.
How Clay 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 dentists and orthodontists 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 | Clay County | South Dakota | U.S. |
|---|---|---|---|
| Listings per 10k households | 14.4 | 10.9 | 13.1 |
| Spending per listing | $887K | $1.3M | $984K |
| Households per official establishment | 1,849 | 1,153 | 952 |
| Official establishment growth, 2019–2023 | n/a | −2.2% | −0.5% |
| Population growth, 2020–2025 | +0.2% | +5.3% | +3.1% |
| Spending per household on medical and dental services | $1,280 | $1,402 | $1,288 |
| Median household income | $56,850 | $75,081 | $80,734 |
| Groundwork market score | 44 | 75 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 3 → 3
- Employees, 2023
- 27
- Annual payroll, 2023
- $1.4M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 80 chain locations
- Listings at the U.S. rate for this spending
- 7The 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 dentists in Clay 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 Clay County
- Population, 2025 estimate
- 15,031+0.2% since 2020
- Households
- 5,547
- Median age
- 31.1
- Homes lived in by their owners
- 51%
- Vehicles per household
- 1.9
- Land area
- 412 sq. mi.
- People per square mile
- 37
- Median household income
- $56,850+12.1% vs. 2015–2019, before inflation
- Average household income
- $78,631
- Median home value
- $232,300
- Jobs located here
- 5,728
- Daytime population
- 14,972Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Clay 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 dentists and orthodontists on map listings by name and distance.
Or open the report at the center of Clay County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardDentists and orthodontists across South Dakota
Every South Dakota market ranked →The highest-scoring counties in South Dakota for dentists and orthodontists, numbered among those based in South Dakota, with Clay County marked.
Top counties in South Dakota
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Minnehaha County, SD | 70 | 90 | 10.6 | $1.4M | +7.6% | #273 of 1,886 |
| 2Lawrence County, SD | 69 | 13 | 10.8 | $1.3M | +14.0% | #298 of 1,886 |
| 3Beadle County, SD | 68 | 7 | 9.3 | $1.4M | +2.4% | #322 of 1,886 |
| 4Brookings County, SD | 60 | 15 | 10.9 | $1.3M | +9.6% | #584 of 1,886 |
| 5Lincoln County, SD | 59 | 38 | 13.6 | $1.2M | +17.5% | #630 of 1,886 |
| 6Lake County, SD | 49 | 5 | 10.6 | $1.3M | −0.2% | #963 of 1,886 |
| 7Union County, SD | 46 | 11 | 15.0 | $1M | +3.3% | #1,104 of 1,886 |
| 8Clay County, SD | 44 | 8 | 14.4 | $887K | +0.2% | #1,174 of 1,886 |
| 9Pennington County, SD | 40 | 79 | 17.0 | $823K | +6.6% | #1,307 of 1,886 |
| 10Brown County, SD | 38 | 20 | 12.3 | $1.1M | −1.7% | #1,353 of 1,886 |
Other business types in Clay 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 dentists and orthodontists are in Clay County, SD?
Clay County has 8 dentists and orthodontists on map listings as of September 2026. None of them are chain locations. The listings count dental practices, orthodontists included. Official counts show 3 businesses with payroll classed as offices of dentists in 2023.
How much do households in Clay County, SD spend on medical and dental services?
About $7.1M a year, or $1,280 per household. That is in line with the U.S. average (an index of 99, where 100 is the U.S. average). Spread across the 8 dentists and orthodontists on map listings, it comes to $887K per practice. The spending figure covers all medical and dental services, not only dentists and orthodontists. It is estimated from the incomes of the 5,547 households in Clay County and national spending patterns by income.
How does Clay County, SD compare with the U.S. for dentists and orthodontists?
Clay County has 14.4 dentists and orthodontists per 10,000 households, 10% above the U.S. rate of 13.1. Spending per practice is $887K, 10% below the U.S. figure of $984K. At the national ratio of dentists and orthodontists to household spending, Clay County would have about 7, against 8 on map listings. There is one business with payroll in the industry for every 1,849 households, against one for every 952 across the U.S.
How fast is Clay County, SD growing?
Population estimates put Clay County at 15,031 people in 2025, up 0.2% since 2020, slower than the U.S. (+3.1%). It has 5,547 households. The median household income in Clay County is $56,850 a year, 30% below the U.S. median of $80,734. That rose 12.1% 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. Clay County scores 44 for dentists and orthodontists (lower middle), #1,174 of 1,886 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Clay County. It maps the dentists and orthodontists 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 dentists and orthodontists · All 56 business types in Clay County
Screening a site or an acquisition in Clay 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 Clay 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.