Health care · County · Iowa
Dentists and orthodontists in Marshall County, IA
The dentists and orthodontists in Marshall County, IA, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 47 out of 100: Lower middle
Ranked #1,040 of 1,886 scored counties
#36 of 47 scored counties in Iowa
- Listings
- 17
- 5 chain locations (29%)
- Official establishments
- 13
- Businesses with payroll, 2023
- Household spending a year
- $20.8M
- On medical and dental services · $1,343 a household
- Spending per listing
- $1.2M
- 24% above the U.S.
- Listings per 10k households
- 11.0
- 16% below the U.S.
- Population, 2025
- 39,890
- −0.5% since 2020
See the dentists and orthodontists around any address in Marshall 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 Marshall 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
Household spending on medical and dental services in Marshall County comes to about $20.8M a year: $1,343 per household, 4% above the U.S. average. That works out to $1.2M per practice, 24% above the U.S. figure of $984K. The spending figure covers all medical and dental services, not only dentists and orthodontists.
Marshall County has 17 dentists and orthodontists on map listings as of September 2026. Of those, 5 are chain locations, or 29%, against 12% across the U.S. That comes to 11.0 for every 10,000 households, 16% below the U.S. rate of 13.1.
In 2023, official counts showed 13 businesses with payroll in Marshall County classed as offices of dentists. That is one for every 1,192 households, against one for every 952 across the U.S.
Population estimates put the population change in Marshall County from 2020 to 2025 at −0.5%, against +3.1% for the U.S. Marshall County scores 47 (lower middle) on the Groundwork market score for dentists and orthodontists, ranking #1,040 of 1,886 scored counties and #36 of 47 scored counties in Iowa.
How Marshall 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 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 | Marshall County | Iowa | U.S. |
|---|---|---|---|
| Listings per 10k households | 11.0 | 9.5 | 13.1 |
| Spending per listing | $1.2M | $1.5M | $984K |
| Households per official establishment | 1,192 | 1,277 | 952 |
| Official establishment growth, 2019–2023 | n/a | −0.6% | −0.5% |
| Population growth, 2020–2025 | −0.5% | +1.5% | +3.1% |
| Spending per household on medical and dental services | $1,343 | $1,412 | $1,288 |
| Median household income | $73,315 | $75,059 | $80,734 |
| Groundwork market score | 47 | 79 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 12 → 13
- Employees, 2023
- 99
- Annual payroll, 2023
- $6M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 175 chain locations
- Listings at the U.S. rate for this spending
- 21The 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 Marshall 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 Marshall County
- Population, 2025 estimate
- 39,890−0.5% since 2020
- Households
- 15,496
- Median age
- 39.9
- Homes lived in by their owners
- 75%
- Vehicles per household
- 2.1
- Land area
- 573 sq. mi.
- People per square mile
- 70
- Median household income
- $73,315+29.9% vs. 2015–2019, before inflation
- Average household income
- $85,510
- Median home value
- $145,500
- Jobs located here
- 15,779
- Daytime population
- 36,753Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Marshall 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 Marshall 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 Iowa
Every Iowa market ranked →The highest-scoring counties in Iowa for dentists and orthodontists, numbered among those based in Iowa, with Marshall County marked.
Top counties in Iowa
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Warren County, IA | 86 | 16 | 7.7 | $2M | +9.0% | #19 of 1,886 |
| 2Plymouth County, IA | 75 | 6 | 5.8 | $2.5M | 0.0% | #141 of 1,886 |
| 3Delaware County, IA | 75 | 5 | 6.8 | $2.1M | +1.3% | #148 of 1,886 |
| 4Dallas County, IA | 74 | 45 | 10.6 | $1.6M | +17.8% | #183 of 1,886 |
| 5Jasper County, IA | 73 | 9 | 6.0 | $2.3M | +0.9% | #193 of 1,886 |
| 6Mahaska County, IA | 69 | 5 | 5.7 | $2.3M | −1.2% | #278 of 1,886 |
| 7Boone County, IA | 69 | 8 | 7.3 | $2M | +0.4% | #282 of 1,886 |
| 8Story County, IA | 69 | 34 | 8.7 | $1.6M | +2.7% | #295 of 1,886 |
| 9Fayette County, IA | 68 | 5 | 6.0 | $2.1M | −2.1% | #302 of 1,886 |
| 10Jones County, IA | 67 | 7 | 8.5 | $1.6M | +2.9% | #345 of 1,886 |
| 36Marshall County, IA | 47 | 17 | 11.0 | $1.2M | −0.5% | #1,040 of 1,886 |
Other business types in Marshall 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 clinics42
- Dentists and orthodontists47
- Primary care and pediatrics68
- Urgent care and walk-in clinics
- Chiropractors45
- Physical therapy
- Optometrists and eye care64
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many dentists and orthodontists are in Marshall County, IA?
Map listings as of September 2026 show 17 dentists and orthodontists in Marshall County. 5 of them (29%) are chain locations. The listings count dental practices, orthodontists included. Official counts show 13 businesses with payroll classed as offices of dentists in 2023.
How much do households in Marshall County, IA spend on medical and dental services?
About $20.8M a year, or $1,343 per household. That is 4% above the U.S. average (an index of 104, where 100 is the U.S. average). Spread across the 17 dentists and orthodontists on map listings, it comes to $1.2M 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 15,496 households in Marshall County and national spending patterns by income.
How does Marshall County, IA compare with the U.S. for dentists and orthodontists?
Marshall County has 11.0 dentists and orthodontists per 10,000 households, 16% below the U.S. rate of 13.1. Spending per practice is $1.2M, 24% above the U.S. figure of $984K. At the U.S. ratio of dentists and orthodontists to household spending, Marshall County would have about 21, against 17 on map listings. There is one business with payroll in the industry for every 1,192 households, against one for every 952 across the U.S.
How fast is Marshall County, IA growing?
Population estimates put Marshall County at 39,890 people in 2025, down 0.5% since 2020, against +3.1% for the U.S. It has 15,496 households. Median household income in Marshall County is $73,315, 9% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.9%, 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. Marshall County scores 47 for dentists and orthodontists (lower middle), #1,040 of 1,886 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Marshall 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 Marshall County
Screening a site or an acquisition in Marshall 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 Marshall 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.