Groundwork

Health care · County · Indiana

Medical and dental practices in Marion County, IN

How Marion County, IN 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 44 out of 100: Lower middle

Ranked #1,491 of 2,394 scored counties
#73 of 85 scored counties in Indiana

Listings
3,466
392 chain locations (11%)
Official establishments
1,143
−23.0% since 2019
Household spending a year
$541.4M
On medical and dental services · $1,352 a household
Spending per listing
$156K
2% above the U.S.
Listings per 10k households
86.6
2% above the U.S.
Population, 2025
992,196
+1.6% 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.

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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

Households in Marion County spend about $541.4M a year on medical and dental services, or $1,352 per household, 5% above the U.S. average. That is about $156K of household spending for each practice on map listings, 2% above the U.S. figure of $152K.

Marion County has 3,466 medical and dental practices on map listings as of September 2026. Chain locations make up 11% of them, against 11% across the U.S. Per 10,000 households, that is 86.6, 2% above the U.S. rate of 84.5.

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 1,143 in 2023, down 23.0% from 2019. That is one for every 350 households, against one for every 270 across the U.S. Official counts list 511 one-person businesses without payroll. Since fiscal 2022, 13 SBA-backed loans worth $7.1M 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 1.6% from 2020 to 2025, slower than the U.S. (+3.1%). For medical and dental practices, Marion County has a Groundwork market score of 44 (lower middle): #1,491 of 2,394 scored counties and #73 of 85 scored counties in Indiana.

How Marion County compares

The same measures for Indiana 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 Marion County, IN compared with Indiana and the U.S.
MeasureMarion CountyIndianaU.S.
Listings per 10k households86.680.284.5
Spending per listing$156K$173K$152K
Households per official establishment350326270
Official establishment growth, 2019–2023−23.0%−3.5%+1.5%
Population growth, 2020–2025+1.6%+2.7%+3.1%
Spending per household on medical and dental services$1,352$1,390$1,288
Median household income$66,346$71,957$80,734
Groundwork market score4465

Official counts and lending

Businesses

Official establishments, 2019 to 2023
1,484 → 1,143−23.0% over the period
Employees, 2023
22,791
Annual payroll, 2023
$2.5B
One-person businesses, 2023
511Businesses with no payroll
Map listings, September 2026
3,466392 chain locations
Listings at the U.S. rate for this spending
3,550The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
13
Amount
$7.1M

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
992,196+1.6% since 2020
Households
400,432
Median age
35.9
Homes lived in by their owners
57%
Vehicles per household
1.6
Land area
396 sq. mi.
People per square mile
2,464
Median household income
$66,346+37.3% vs. 2015–2019, before inflation
Average household income
$90,680
Median home value
$224,000
Jobs located here
662,636
Daytime population
1,168,106Residents 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 card

Doctors, dentists and clinics across Indiana

Every Indiana market ranked →

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

Top counties in Indiana

Counties in Indiana ranked for medical and dental practices by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Brown County, IN871522.1$638K+1.9%#15 of 2,394
2Parke County, IN841727.7$472K+3.0%#50 of 2,394
3Owen County, IN812630.2$422K+2.6%#86 of 2,394
4Fountain County, IN792637.5$335K+3.2%#115 of 2,394
5Franklin County, IN773032.6$438K+2.2%#143 of 2,394
6Carroll County, IN772530.9$429K+1.6%#144 of 2,394
7Putnam County, IN766344.5$309K+3.2%#179 of 2,394
8Vermillion County, IN751421.2$588K+0.6%#191 of 2,394
9Sullivan County, IN752329.4$425K+0.1%#199 of 2,394
10Hancock County, IN7519558.3$271K+13.5%#219 of 2,394
73Marion County, IN443,46686.6$156K+1.6%#1,491 of 2,394

Other business types in Marion County

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

Questions

How many medical and dental practices are in Marion County, IN?

Map listings as of September 2026 show 3,466 medical and dental practices in Marion County. 392 of them (11%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 1,143 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, down 23.0% from 2019. Official counts also show 511 one-person businesses without payroll.

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

About $541.4M a year, or $1,352 per household. That is 5% above the U.S. average (an index of 105, where 100 is the U.S. average). Spread across the 3,466 medical and dental practices on map listings, it comes to $156K per practice. It is estimated from the incomes of the 400,432 households in Marion County and national spending patterns by income.

How does Marion County, IN compare with the U.S. for medical and dental practices?

Marion County has 86.6 medical and dental practices per 10,000 households, 2% above the U.S. rate of 84.5. Spending per practice is $156K, 2% above the U.S. figure of $152K. At the U.S. ratio of medical and dental practices to household spending, Marion County would have about 3,550, against 3,466 on map listings. There is one business with payroll in the industry for every 350 households, against one for every 270 across the U.S. The official count fell 23.0% from 2019 to 2023, against +1.5% for the U.S.

How fast is Marion County, IN growing?

Population estimates put Marion County at 992,196 people in 2025, up 1.6% since 2020, slower than the U.S. (+3.1%). It has 400,432 households. The median household income in Marion County is $66,346 a year, 18% below the U.S. median of $80,734. That rose 37.3% 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 44 for medical and dental practices (lower middle), #1,491 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.