Health care · County · Iowa
Medical and dental practices in Marion County, IA
The medical and dental practices in Marion County, IA, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 53 out of 100: Upper middle
Ranked #1,058 of 2,394 scored counties
#44 of 72 scored counties in Iowa
- Listings
- 99
- 7 chain locations (7%)
- Official establishments
- 40
- −9.1% since 2019
- Household spending a year
- $19M
- On medical and dental services · $1,430 a household
- Spending per listing
- $192K
- 26% above the U.S.
- Listings per 10k households
- 74.3
- 12% below the U.S.
- Population, 2025
- 34,192
- +2.3% since 2020
See the medical and dental practices around any address in Marion 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 Marion 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
Map listings as of September 2026 show 99 medical and dental practices in Marion County. 7 of them (7%) are chain locations, against 11% across the U.S. That is 74.3 per 10,000 households, 12% below the U.S. rate of 84.5.
At $1,430 per household (11% above the U.S. average), households in Marion County spend about $19M a year on medical and dental services. That is about $192K of household spending for each practice on map listings, 26% above the U.S. figure of $152K.
The official count of businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Marion County was 40 in 2023, down 9.1% from 2019. That is one for every 333 households, against one for every 270 across the U.S. Official counts also show 19 one-person businesses without payroll. Since fiscal 2022, 3 SBA-backed loans worth $2.1M have gone to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Marion County.
Population estimates show Marion County grew 2.3% from 2020 to 2025, slower than the U.S. (+3.1%). For medical and dental practices, Marion County has a Groundwork market score of 53 (upper middle): #1,058 of 2,394 scored counties and #44 of 72 scored counties in Iowa.
How Marion County compares
The same measures for Iowa 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 | Marion County | Iowa | U.S. |
|---|---|---|---|
| Listings per 10k households | 74.3 | 83.7 | 84.5 |
| Spending per listing | $192K | $169K | $152K |
| Households per official establishment | 333 | 342 | 270 |
| Official establishment growth, 2019–2023 | −9.1% | +0.7% | +1.5% |
| Population growth, 2020–2025 | +2.3% | +1.5% | +3.1% |
| Spending per household on medical and dental services | $1,430 | $1,412 | $1,288 |
| Median household income | $78,680 | $75,059 | $80,734 |
| Groundwork market score | 53 | 65 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 44 → 40−9.1% over the period
- Employees, 2023
- 458
- Annual payroll, 2023
- $39.1M
- One-person businesses, 2023
- 19Businesses with no payroll
- Map listings, September 2026
- 997 chain locations
- Listings at the U.S. rate for this spending
- 125The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 3
- Amount
- $2.1M
SBA-backed loans to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Marion 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 Marion County
- Population, 2025 estimate
- 34,192+2.3% since 2020
- Households
- 13,316
- Median age
- 40.1
- Homes lived in by their owners
- 78%
- Vehicles per household
- 2.2
- Land area
- 555 sq. mi.
- People per square mile
- 61
- Median household income
- $78,680+28.9% vs. 2015–2019, before inflation
- Average household income
- $100,547
- Median home value
- $233,000
- Jobs located here
- 19,073
- Daytime population
- 36,093Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Marion 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 Marion 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 Iowa
Every Iowa market ranked →The highest-scoring counties in Iowa for medical and dental practices, numbered among those based in Iowa, with Marion County marked.
Top counties in Iowa
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Mills County, IA | 87 | 20 | 37.1 | $407K | +2.6% | #19 of 2,394 |
| 2Madison County, IA | 84 | 20 | 29.9 | $501K | +3.8% | #47 of 2,394 |
| 3Lyon County, IA | 80 | 17 | 38.0 | $371K | +3.6% | #105 of 2,394 |
| 4Mitchell County, IA | 78 | 18 | 39.2 | $350K | +0.6% | #125 of 2,394 |
| 5Guthrie County, IA | 78 | 23 | 50.0 | $287K | +1.6% | #129 of 2,394 |
| 6Buchanan County, IA | 77 | 35 | 42.4 | $324K | +1.3% | #155 of 2,394 |
| 7Warren County, IA | 77 | 112 | 54.2 | $286K | +9.0% | #161 of 2,394 |
| 8Allamakee County, IA | 76 | 21 | 35.3 | $377K | +1.2% | #172 of 2,394 |
| 9Clayton County, IA | 71 | 25 | 33.3 | $395K | −1.1% | #306 of 2,394 |
| 10Jasper County, IA | 71 | 63 | 42.0 | $325K | +0.9% | #317 of 2,394 |
| 44Marion County, IA | 53 | 99 | 74.3 | $192K | +2.3% | #1,058 of 2,394 |
Other business types in Marion 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 clinics53
- Dentists and orthodontists48
- Primary care and pediatrics79
- Urgent care and walk-in clinics
- Chiropractors31
- Physical therapy54
- Optometrists and eye care62
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many medical and dental practices are in Marion County, IA?
There are 99 medical and dental practices on map listings in Marion County as of September 2026. 7 of them (7%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 40 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, down 9.1% from 2019. Another 19 one-person businesses have no payroll, by official counts.
How much do households in Marion County, IA spend on medical and dental services?
About $19M a year, or $1,430 per household. That is 11% above the U.S. average (an index of 111, where 100 is the U.S. average). Spread across the 99 medical and dental practices on map listings, it comes to $192K per practice. It is estimated from the incomes of the 13,316 households in Marion County and national spending patterns by income.
How does Marion County, IA compare with the U.S. for medical and dental practices?
Marion County has 74.3 medical and dental practices per 10,000 households, 12% below the U.S. rate of 84.5. Spending per practice is $192K, 26% above the U.S. figure of $152K. At the national ratio of medical and dental practices to household spending, Marion County would have about 125, against 99 on map listings. There is one business with payroll in the industry for every 333 households, against one for every 270 across the U.S. The official count fell 9.1% from 2019 to 2023, against +1.5% for the U.S.
How fast is Marion County, IA growing?
Population estimates put Marion County at 34,192 people in 2025, up 2.3% since 2020, slower than the U.S. (+3.1%). It has 13,316 households. Median household income in Marion County is $78,680, 3% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 28.9%, 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. Marion County scores 53 for medical and dental practices (upper middle), #1,058 of 2,394 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Marion 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 Marion County
Screening a site or an acquisition in Marion 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 Marion 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.