Groundwork

Health care · County · Missouri

Dentists and orthodontists in Marion County, MO

Competitor counts, household spending and official business counts for dentists and orthodontists in Marion County, MO, set against other counties and the U.S.

Groundwork market score · out of 100

Score 41 out of 100: Lower middle

Ranked #1,254 of 1,886 scored counties
#52 of 55 scored counties in Missouri

Listings
13
0 chain locations (0%)
Official establishments
10
Businesses with payroll, 2023
Household spending a year
$14.2M
On medical and dental services · $1,257 a household
Spending per listing
$1.1M
11% above the U.S.
Listings per 10k households
11.5
12% below the U.S.
Population, 2025
28,525
+0.2% since 2020

See the dentists and orthodontists around any address in Marion 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 Marion 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 13 dentists and orthodontists in Marion County. None of them are chain locations, against 12% across the U.S. That comes to 11.5 for every 10,000 households, 12% below the U.S. rate of 13.1.

Households in Marion County spend about $14.2M a year on medical and dental services, or $1,257 per household, 2% below the U.S. average. That works out to $1.1M per practice, 11% above the U.S. figure of $984K. That spending covers all medical and dental services, which dentists and orthodontists share with other businesses in the trade.

The official count of businesses with payroll classed as offices of dentists in Marion County was 10 in 2023. That is one for every 1,132 households, against one for every 952 across the U.S. Since fiscal 2022, 4 SBA-backed loans worth $800K have gone to businesses classed as offices of dentists in Marion County.

Population estimates show Marion County grew 0.2% from 2020 to 2025, slower than the U.S. (+3.1%). The Groundwork market score for dentists and orthodontists in Marion County is 41 (lower middle), #1,254 of 1,886 scored counties and #52 of 55 scored counties in Missouri.

How Marion County compares

The same measures for Missouri 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.

Dentists and orthodontists in Marion County, MO compared with Missouri and the U.S.
MeasureMarion CountyMissouriU.S.
Listings per 10k households11.59.913.1
Spending per listing$1.1M$1.4M$984K
Households per official establishment1,1321,321952
Official establishment growth, 2019–2023n/a−4.0%−0.5%
Population growth, 2020–2025+0.2%+1.9%+3.1%
Spending per household on medical and dental services$1,257$1,389$1,288
Median household income$62,903$70,702$80,734
Groundwork market score4177

Official counts and lending

Businesses

Official establishments, 2019 to 2023
9 → 10
Employees, 2023
158
Annual payroll, 2023
$8M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
130 chain locations
Listings at the U.S. rate for this spending
15The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
4
Amount
$800K

SBA-backed loans to businesses classed as offices of dentists 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
28,525+0.2% since 2020
Households
11,323
Median age
39.3
Homes lived in by their owners
69%
Vehicles per household
1.9
Land area
437 sq. mi.
People per square mile
65
Median household income
$62,903+28.9% vs. 2015–2019, before inflation
Average household income
$75,181
Median home value
$162,000
Jobs located here
12,711
Daytime population
28,078Residents 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 dentists and orthodontists 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.

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Dentists and orthodontists across Missouri

Every Missouri market ranked →

The highest-scoring counties in Missouri for dentists and orthodontists, numbered among those based in Missouri, with Marion County marked.

Top counties in Missouri

Counties in Missouri ranked for dentists and orthodontists by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Lincoln County, MO93114.8$3M+11.4%#2 of 1,886
2Callaway County, MO8863.6$3.7M+3.2%#13 of 1,886
3Polk County, MO8665.0$2.5M+6.3%#17 of 1,886
4Barry County, MO8364.5$2.8M+4.8%#38 of 1,886
5Miller County, MO8255.1$2.5M+4.2%#49 of 1,886
6Webster County, MO8296.4$2.1M+10.4%#51 of 1,886
7Lawrence County, MO8196.2$2M+3.7%#60 of 1,886
8Warren County, MO81139.4$1.5M+9.2%#64 of 1,886
9Lafayette County, MO7875.6$2.6M+1.4%#92 of 1,886
10Camden County, MO78158.4$1.6M+2.9%#105 of 1,886
52Marion County, MO411311.5$1.1M+0.2%#1,254 of 1,886

Other business types in Marion County

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

Questions

How many dentists and orthodontists are in Marion County, MO?

There are 13 dentists and orthodontists on map listings in Marion County as of September 2026. None of them are chain locations. The listings count dental practices, orthodontists included. Official counts show 10 businesses with payroll classed as offices of dentists in 2023.

How much do households in Marion County, MO spend on medical and dental services?

About $14.2M a year, or $1,257 per household. That is 2% below the U.S. average (an index of 98, where 100 is the U.S. average). Spread across the 13 dentists and orthodontists on map listings, it comes to $1.1M per practice. The spending figure covers all medical and dental services, not only dentists and orthodontists. It is estimated from the incomes of the 11,323 households in Marion County and national spending patterns by income.

How does Marion County, MO compare with the U.S. for dentists and orthodontists?

Marion County has 11.5 dentists and orthodontists per 10,000 households, 12% below the U.S. rate of 13.1. Spending per practice is $1.1M, 11% above the U.S. figure of $984K. At the national ratio of dentists and orthodontists to household spending, Marion County would have about 15, against 13 on map listings. There is one business with payroll in the industry for every 1,132 households, against one for every 952 across the U.S.

How fast is Marion County, MO growing?

Population estimates put Marion County at 28,525 people in 2025, up 0.2% since 2020, slower than the U.S. (+3.1%). It has 11,323 households. The median household income in Marion County is $62,903 a year, 22% below the U.S. median of $80,734. That rose 28.9% from the 2015–2019 survey, 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 41 for dentists and orthodontists (lower middle), #1,254 of 1,886 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 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 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.