Health care · County · South Dakota
Dentists and orthodontists in Pennington County, SD
How Pennington 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 40 out of 100: Lower middle
Ranked #1,307 of 1,886 scored counties
#9 of 14 scored counties in South Dakota
- Listings
- 79
- 7 chain locations (9%)
- Official establishments
- 62
- +5.1% since 2019
- Household spending a year
- $65M
- On medical and dental services · $1,402 a household
- Spending per listing
- $823K
- 16% below the U.S.
- Listings per 10k households
- 17.0
- 30% above the U.S.
- Population, 2025
- 116,792
- +6.6% since 2020
See the dentists and orthodontists around any address in Pennington 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 Pennington 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
At $1,402 per household (9% above the U.S. average), households in Pennington County spend about $65M a year on medical and dental services. Spread across 79 dentists and orthodontists, that is $823K per practice, 16% below the U.S. figure of $984K. The spending figure covers all medical and dental services, not only dentists and orthodontists.
There are 79 dentists and orthodontists on map listings in Pennington County as of September 2026. Chain locations make up 9% of them, against 12% across the U.S. That comes to 17.0 for every 10,000 households, 30% above the U.S. rate of 13.1.
In 2023, official counts showed 62 businesses with payroll in Pennington County classed as offices of dentists, up 5.1% from 2019. That is one for every 748 households, against one for every 952 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $616K has gone to businesses classed as offices of dentists in Pennington County.
Population estimates show Pennington County grew 6.6% from 2020 to 2025, faster than the U.S. (+3.1%). Pennington County scores 40 (lower middle) on the Groundwork market score for dentists and orthodontists, ranking #1,307 of 1,886 scored counties and #9 of 14 scored counties in South Dakota.
How Pennington 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 | Pennington County | South Dakota | U.S. |
|---|---|---|---|
| Listings per 10k households | 17.0 | 10.9 | 13.1 |
| Spending per listing | $823K | $1.3M | $984K |
| Households per official establishment | 748 | 1,153 | 952 |
| Official establishment growth, 2019–2023 | +5.1% | −2.2% | −0.5% |
| Population growth, 2020–2025 | +6.6% | +5.3% | +3.1% |
| Spending per household on medical and dental services | $1,402 | $1,402 | $1,288 |
| Median household income | $74,517 | $75,081 | $80,734 |
| Groundwork market score | 40 | 75 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 59 → 62+5.1% over the period
- Employees, 2023
- 731
- Annual payroll, 2023
- $47.6M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 797 chain locations
- Listings at the U.S. rate for this spending
- 66The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $616K
SBA-backed loans to businesses classed as offices of dentists in Pennington 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 Pennington County
- Population, 2025 estimate
- 116,792+6.6% since 2020
- Households
- 46,370
- Median age
- 41.0
- Homes lived in by their owners
- 69%
- Vehicles per household
- 2.0
- Land area
- 2,777 sq. mi.
- People per square mile
- 41
- Median household income
- $74,517+30.6% vs. 2015–2019, before inflation
- Average household income
- $99,289
- Median home value
- $302,200
- Jobs located here
- 59,416
- Daytime population
- 120,445Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Pennington 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 Pennington 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 Pennington 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 Pennington 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
- Doctors, dentists and clinics38
- Dentists and orthodontists40
- Primary care and pediatrics65
- Urgent care and walk-in clinics
- Chiropractors37
- Physical therapy55
- Optometrists and eye care39
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many dentists and orthodontists are in Pennington County, SD?
As of September 2026, map listings count 79 dentists and orthodontists in Pennington County. 7 of them (9%) are chain locations. The listings count dental practices, orthodontists included. Official counts show 62 businesses with payroll classed as offices of dentists in 2023, up 5.1% from 2019.
How much do households in Pennington County, SD spend on medical and dental services?
About $65M 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 79 dentists and orthodontists on map listings, it comes to $823K 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 46,370 households in Pennington County and national spending patterns by income.
How does Pennington County, SD compare with the U.S. for dentists and orthodontists?
Pennington County has 17.0 dentists and orthodontists per 10,000 households, 30% above the U.S. rate of 13.1. Spending per practice is $823K, 16% below the U.S. figure of $984K. At the U.S. ratio of dentists and orthodontists to household spending, Pennington County would have about 66, against 79 on map listings. There is one business with payroll in the industry for every 748 households, against one for every 952 across the U.S. The official count rose 5.1% from 2019 to 2023, against −0.5% for the U.S.
How fast is Pennington County, SD growing?
Population estimates put Pennington County at 116,792 people in 2025, up 6.6% since 2020, faster than the U.S. (+3.1%). It has 46,370 households. Median household income in Pennington County is $74,517, 8% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 30.6%, 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. Pennington County scores 40 for dentists and orthodontists (lower middle), #1,307 of 1,886 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Pennington 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 Pennington County
Screening a site or an acquisition in Pennington 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 Pennington 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.