Health care · County · Montana
Medical and dental practices in Lewis and Clark County, MT
Competitor counts, household spending and official business counts for medical and dental practices in Lewis and Clark County, MT, set against other counties and the U.S.
Groundwork market score · out of 100
Score 35 out of 100: Lower middle
Ranked #1,907 of 2,394 scored counties
#15 of 21 scored counties in Montana
- Listings
- 343
- 18 chain locations (5%)
- Official establishments
- 142
- +7.6% since 2019
- Household spending a year
- $40.1M
- On medical and dental services · $1,285 a household
- Spending per listing
- $117K
- 23% below the U.S.
- Listings per 10k households
- 109.9
- 30% above the U.S.
- Population, 2025
- 75,331
- +5.8% since 2020
See the medical and dental practices around any address in Lewis and Clark 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 Lewis and Clark 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
The Groundwork market score for medical and dental practices in Lewis and Clark County is 35 (lower middle), #1,907 of 2,394 scored counties and #15 of 21 scored counties in Montana. That puts it in the bottom quarter of counties.
As of September 2026, map listings count 343 medical and dental practices in Lewis and Clark County. Chain locations make up 5% of them, against 11% across the U.S. That comes to 109.9 for every 10,000 households, 30% above the U.S. rate of 84.5.
At $1,285 per household (in line with the U.S. average), households in Lewis and Clark County spend about $40.1M a year on medical and dental services. That is about $117K of household spending for each practice on map listings, 23% below the U.S. figure of $152K.
Official counts show 142 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Lewis and Clark County in 2023, up 7.6% from 2019. That is one for every 220 households, against one for every 270 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $772K has gone to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Lewis and Clark County. Population estimates show Lewis and Clark County grew 5.8% from 2020 to 2025, faster than the U.S. (+3.1%).
How Lewis and Clark County compares
The same measures for Montana 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.
| Measure | Lewis and Clark County | Montana | U.S. |
|---|---|---|---|
| Listings per 10k households | 109.9 | 90.2 | 84.5 |
| Spending per listing | $117K | $137K | $152K |
| Households per official establishment | 220 | 273 | 270 |
| Official establishment growth, 2019–2023 | +7.6% | +9.2% | +1.5% |
| Population growth, 2020–2025 | +5.8% | +5.3% | +3.1% |
| Spending per household on medical and dental services | $1,285 | $1,237 | $1,288 |
| Median household income | $78,237 | $72,509 | $80,734 |
| Groundwork market score | 35 | 37 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 132 → 142+7.6% over the period
- Employees, 2023
- 1,089
- Annual payroll, 2023
- $81.6M
- One-person businesses, 2023
- 50Businesses with no payroll
- Map listings, September 2026
- 34318 chain locations
- Listings at the U.S. rate for this spending
- 263The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $772K
SBA-backed loans to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Lewis and Clark 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 Lewis and Clark County
- Population, 2025 estimate
- 75,331+5.8% since 2020
- Households
- 31,215
- Median age
- 42.1
- Homes lived in by their owners
- 70%
- Vehicles per household
- 2.0
- Land area
- 3,458 sq. mi.
- People per square mile
- 21
- Median household income
- $78,237+18.9% vs. 2015–2019, before inflation
- Average household income
- $104,055
- Median home value
- $393,500
- Jobs located here
- 41,168
- Daytime population
- 78,294Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Lewis and Clark 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 Lewis and Clark County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardDoctors, dentists and clinics across Montana
Every Montana market ranked →The highest-scoring counties in Montana for medical and dental practices, numbered among those based in Montana, with Lewis and Clark County marked.
Top counties in Montana
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Carbon County, MT | 83 | 16 | 34.3 | $372K | +9.1% | #65 of 2,394 |
| 2Sanders County, MT | 77 | 17 | 31.2 | $347K | +12.9% | #151 of 2,394 |
| 3Richland County, MT | 69 | 17 | 38.4 | $334K | −1.3% | #370 of 2,394 |
| 4Jefferson County, MT | 66 | 25 | 50.0 | $279K | +9.8% | #486 of 2,394 |
| 5Park County, MT | 65 | 31 | 37.1 | $332K | +5.7% | #526 of 2,394 |
| 6Lincoln County, MT | 64 | 41 | 45.1 | $229K | +13.1% | #593 of 2,394 |
| 7Lake County, MT | 59 | 74 | 58.8 | $199K | +6.9% | #801 of 2,394 |
| 8Hill County, MT | 52 | 29 | 46.7 | $234K | −0.5% | #1,082 of 2,394 |
| 9Roosevelt County, MT | 49 | 10 | 32.4 | $332K | −5.2% | #1,206 of 2,394 |
| 10Big Horn County, MT | 49 | 13 | 34.0 | $309K | −2.5% | #1,208 of 2,394 |
| 15Lewis and Clark County, MT | 35 | 343 | 109.9 | $117K | +5.8% | #1,907 of 2,394 |
Other business types in Lewis and Clark 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 clinics35
- Dentists and orthodontists39
- Primary care and pediatrics68
- Urgent care and walk-in clinics31
- Chiropractors35
- Physical therapy30
- Optometrists and eye care76
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many medical and dental practices are in Lewis and Clark County, MT?
Lewis and Clark County has 343 medical and dental practices on map listings as of September 2026. 18 of them (5%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 142 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, up 7.6% from 2019. Official counts also show 50 one-person businesses without payroll.
How much do households in Lewis and Clark County, MT spend on medical and dental services?
About $40.1M a year, or $1,285 per household. That is in line with the U.S. average (an index of 100, where 100 is the U.S. average). Spread across the 343 medical and dental practices on map listings, it comes to $117K per practice. It is estimated from the incomes of the 31,215 households in Lewis and Clark County and national spending patterns by income.
How does Lewis and Clark County, MT compare with the U.S. for medical and dental practices?
Lewis and Clark County has 109.9 medical and dental practices per 10,000 households, 30% above the U.S. rate of 84.5. Spending per practice is $117K, 23% below the U.S. figure of $152K. At the national ratio of medical and dental practices to household spending, Lewis and Clark County would have about 263, against 343 on map listings. There is one business with payroll in the industry for every 220 households, against one for every 270 across the U.S. The official count rose 7.6% from 2019 to 2023, against +1.5% for the U.S.
How fast is Lewis and Clark County, MT growing?
Population estimates put Lewis and Clark County at 75,331 people in 2025, up 5.8% since 2020, faster than the U.S. (+3.1%). It has 31,215 households. Median household income in Lewis and Clark County is $78,237, 3% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 18.9%, 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. Lewis and Clark County scores 35 for medical and dental practices (lower middle), #1,907 of 2,394 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Lewis and Clark 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 Lewis and Clark County
Screening a site or an acquisition in Lewis and Clark 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 Lewis and Clark 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.