Groundwork

Health care · County · South Dakota

Medical and dental practices in Pennington County, SD

How Pennington County, SD compares with other counties and the U.S. for medical and dental practices: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 38 out of 100: Lower middle

Ranked #1,790 of 2,394 scored counties
#15 of 18 scored counties in South Dakota

Listings
618
41 chain locations (7%)
Official establishments
227
+2.3% since 2019
Household spending a year
$65M
On medical and dental services · $1,402 a household
Spending per listing
$105K
31% below the U.S.
Listings per 10k households
133.3
58% above the U.S.
Population, 2025
116,792
+6.6% since 2020

See the medical and dental practices around any address in Pennington County

The site report maps the medical and dental practices 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.

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Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

Map listings as of September 2026 show 618 medical and dental practices in Pennington County. Chain locations make up 7% of them, against 11% across the U.S. Per 10,000 households, that is 133.3, 58% above the U.S. rate of 84.5.

Household spending on medical and dental services in Pennington County comes to about $65M a year: $1,402 per household, 9% above the U.S. average. That is about $105K of household spending for each practice on map listings, 31% below the U.S. figure of $152K.

Official counts show 227 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Pennington County in 2023, up 2.3% from 2019. That is one for every 204 households, against one for every 270 across the U.S. Another 137 one-person businesses have no payroll, by official counts. Since fiscal 2022, 1 SBA-backed loan worth $616K has gone to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Pennington County.

Population estimates show Pennington County grew 6.6% from 2020 to 2025, faster than the U.S. (+3.1%). For medical and dental practices, Pennington County has a Groundwork market score of 38 (lower middle): #1,790 of 2,394 scored counties and #15 of 18 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 medical and dental practices counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Doctors, dentists and clinics in Pennington County, SD compared with South Dakota and the U.S.
MeasurePennington CountySouth DakotaU.S.
Listings per 10k households133.374.684.5
Spending per listing$105K$188K$152K
Households per official establishment204312270
Official establishment growth, 2019–2023+2.3%+12.3%+1.5%
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 score3877

Official counts and lending

Businesses

Official establishments, 2019 to 2023
222 → 227+2.3% over the period
Employees, 2023
2,989
Annual payroll, 2023
$217.8M
One-person businesses, 2023
137Businesses with no payroll
Map listings, September 2026
61841 chain locations
Listings at the U.S. rate for this spending
426The 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 physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers 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 medical and dental practices 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.

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Doctors, dentists and clinics across South Dakota

Every South Dakota market ranked →

The highest-scoring counties in South Dakota for medical and dental practices, numbered among those based in South Dakota, with Pennington County marked.

Top counties in South Dakota

Counties in South Dakota ranked for medical and dental practices by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Meade County, SD823428.4$496K+2.7%#74 of 2,394
2Beadle County, SD743343.8$302K+2.4%#243 of 2,394
3Butte County, SD732046.4$302K+5.5%#263 of 2,394
4Lake County, SD711633.9$413K−0.2%#303 of 2,394
5Roberts County, SD691335.9$368K−0.1%#366 of 2,394
6Brookings County, SD638863.8$214K+9.6%#635 of 2,394
7Minnehaha County, SD6261772.7$198K+7.6%#682 of 2,394
8Clay County, SD612545.1$284K+0.2%#702 of 2,394
9Oglala Lakota County, SD58620.5$523K−2.3%#805 of 2,394
10Lincoln County, SD5425892.5$174K+17.5%#1,024 of 2,394
15Pennington County, SD38618133.3$105K+6.6%#1,790 of 2,394

Other business types in Pennington County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many medical and dental practices are in Pennington County, SD?

There are 618 medical and dental practices on map listings in Pennington County as of September 2026. 41 of them (7%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 227 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, up 2.3% from 2019. Official counts list 137 one-person businesses without payroll.

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 618 medical and dental practices on map listings, it comes to $105K per practice. 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 medical and dental practices?

Pennington County has 133.3 medical and dental practices per 10,000 households, 58% above the U.S. rate of 84.5. Spending per practice is $105K, 31% below the U.S. figure of $152K. At the national ratio of medical and dental practices to household spending, Pennington County would have about 426, against 618 on map listings. There is one business with payroll in the industry for every 204 households, against one for every 270 across the U.S. The official count rose 2.3% from 2019 to 2023, against +1.5% 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 38 for medical and dental practices (lower middle), #1,790 of 2,394 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 medical and dental practices 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 medical and dental practices · 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.