Health care · County · South Dakota
Dentists and orthodontists in Lake County, SD
Competitor counts, household spending and official business counts for dentists and orthodontists in Lake County, SD, set against other counties and the U.S.
Groundwork market score · out of 100
Score 49 out of 100: Lower middle
Ranked #963 of 1,886 scored counties
#6 of 14 scored counties in South Dakota
- Listings
- 5
- 1 chain location (20%)
- Official establishments
- 5
- Businesses with payroll, 2023
- Household spending a year
- $6.6M
- On medical and dental services · $1,402 a household
- Spending per listing
- $1.3M
- 34% above the U.S.
- Listings per 10k households
- 10.6
- 19% below the U.S.
- Population, 2025
- 10,993
- −0.2% since 2020
See the dentists and orthodontists around any address in Lake 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 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 5 dentists and orthodontists, that is $1.3M per practice, 34% above the U.S. figure of $984K. The spending figure covers all medical and dental services, not only dentists and orthodontists.
Lake County has 5 dentists and orthodontists on map listings as of September 2026. One of them (20%) is a chain location, against 12% across the U.S. That is 10.6 per 10,000 households, 19% below the U.S. rate of 13.1.
Official counts show 5 businesses with payroll classed as offices of dentists in Lake County in 2023. That is one for every 943 households, against one for every 952 across the U.S.
Between 2020 and 2025, the population of Lake County declined 0.2%, against +3.1% for the U.S. Lake County scores 49 (lower middle) on the Groundwork market score for dentists and orthodontists, ranking #963 of 1,886 scored counties and #6 of 14 scored counties in South Dakota.
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 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 | Lake County | South Dakota | U.S. |
|---|---|---|---|
| Listings per 10k households | 10.6 | 10.9 | 13.1 |
| Spending per listing | $1.3M | $1.3M | $984K |
| Households per official establishment | 943 | 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 | $1,402 | $1,402 | $1,288 |
| Median household income | $76,808 | $75,081 | $80,734 |
| Groundwork market score | 49 | 75 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 5 → 5
- Employees, 2023
- 30
- Annual payroll, 2023
- $1.7M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 51 chain location
- 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 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 dentists and orthodontists 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 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 Lake 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 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 dentists and orthodontists are in Lake County, SD?
Map listings as of September 2026 show 5 dentists and orthodontists in Lake County. One of them (20%) is a chain location. The listings count dental practices, orthodontists included. Official counts show 5 businesses with payroll classed as offices of dentists in 2023.
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 5 dentists and orthodontists on map listings, it comes to $1.3M per practice. That spending covers all medical and dental services, which dentists and orthodontists 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 dentists and orthodontists?
Lake County has 10.6 dentists and orthodontists per 10,000 households, 19% below the U.S. rate of 13.1. Spending per practice is $1.3M, 34% above the U.S. figure of $984K. At the U.S. ratio of dentists and orthodontists to household spending, Lake County would have about 7, against 5 on map listings. There is one business with payroll in the industry for every 943 households, against one for every 952 across the U.S.
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 scores 49 for dentists and orthodontists (lower middle), #963 of 1,886 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Lake 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 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.