Groundwork

Health care · County · Kansas

Medical and dental practices in Johnson County, KS

The medical and dental practices in Johnson County, KS, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 42 out of 100: Lower middle

Ranked #1,608 of 2,394 scored counties
#27 of 38 scored counties in Kansas

Listings
3,107
283 chain locations (9%)
Official establishments
1,365
+14.6% since 2019
Household spending a year
$430.3M
On medical and dental services · $1,724 a household
Spending per listing
$138K
9% below the U.S.
Listings per 10k households
124.5
47% above the U.S.
Population, 2025
636,906
+4.2% since 2020

See the medical and dental practices around any address in Johnson 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 Johnson 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 3,107 medical and dental practices in Johnson County. 283 of them (9%) are chain locations, against 11% across the U.S. Per 10,000 households, that is 124.5, 47% above the U.S. rate of 84.5.

Household spending on medical and dental services in Johnson County comes to about $430.3M a year: $1,724 per household, 34% above the U.S. average. Spread across 3,107 medical and dental practices, that is $138K per practice, 9% below the U.S. figure of $152K.

In 2023, official counts showed 1,365 businesses with payroll in Johnson County classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers, up 14.6% from 2019. That is one for every 183 households, against one for every 270 across the U.S. Official counts list 878 one-person businesses without payroll. Since fiscal 2022, 19 SBA-backed loans worth $18.7M have gone to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Johnson County.

Population estimates put the population change in Johnson County from 2020 to 2025 at +4.2%, faster than the U.S. (+3.1%). Johnson County scores 42 (lower middle) on the Groundwork market score for medical and dental practices, ranking #1,608 of 2,394 scored counties and #27 of 38 scored counties in Kansas.

How Johnson County compares

The same measures for Kansas 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 Johnson County, KS compared with Kansas and the U.S.
MeasureJohnson CountyKansasU.S.
Listings per 10k households124.582.984.5
Spending per listing$138K$172K$152K
Households per official establishment183294270
Official establishment growth, 2019–2023+14.6%+6.0%+1.5%
Population growth, 2020–2025+4.2%+1.3%+3.1%
Spending per household on medical and dental services$1,724$1,422$1,288
Median household income$109,208$74,275$80,734
Groundwork market score4258

Official counts and lending

Businesses

Official establishments, 2019 to 2023
1,191 → 1,365+14.6% over the period
Employees, 2023
14,593
Annual payroll, 2023
$1.3B
One-person businesses, 2023
878Businesses with no payroll
Map listings, September 2026
3,107283 chain locations
Listings at the U.S. rate for this spending
2,821The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
19
Amount
$18.7M

SBA-backed loans to businesses classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Johnson 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 Johnson County

Population, 2025 estimate
636,906+4.2% since 2020
Households
249,531
Median age
39.8
Homes lived in by their owners
69%
Vehicles per household
1.9
Land area
474 sq. mi.
People per square mile
1,310
Median household income
$109,208+22.6% vs. 2015–2019, before inflation
Average household income
$146,207
Median home value
$391,200
Jobs located here
379,207
Daytime population
678,980Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Johnson 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 Johnson County. Signed out, you see a blurred preview; on an account, each report is one action.

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Doctors, dentists and clinics across Kansas

Every Kansas market ranked →

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

Top counties in Kansas

Counties in Kansas ranked for medical and dental practices by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Osage County, KS801624.9$539K−0.3%#97 of 2,394
2Jackson County, KS772345.9$297K+1.5%#160 of 2,394
3Jefferson County, KS762635.1$416K−0.2%#168 of 2,394
4Pottawatomie County, KS744649.0$307K+6.9%#242 of 2,394
5Dickinson County, KS744049.9$269K+1.4%#245 of 2,394
6Leavenworth County, KS7315952.7$289K+3.2%#266 of 2,394
7Miami County, KS728058.2$259K+5.9%#295 of 2,394
8Franklin County, KS714745.2$301K+1.1%#323 of 2,394
9Marion County, KS671429.5$436K−1.3%#431 of 2,394
10Geary County, KS675538.8$319K−1.2%#444 of 2,394
27Johnson County, KS423,107124.5$138K+4.2%#1,608 of 2,394

Other business types in Johnson County

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

Questions

How many medical and dental practices are in Johnson County, KS?

There are 3,107 medical and dental practices on map listings in Johnson County as of September 2026. 283 of them (9%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 1,365 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, up 14.6% from 2019. Official counts also show 878 one-person businesses without payroll.

How much do households in Johnson County, KS spend on medical and dental services?

About $430.3M a year, or $1,724 per household. That is 34% above the U.S. average (an index of 134, where 100 is the U.S. average). Spread across the 3,107 medical and dental practices on map listings, it comes to $138K per practice. It is estimated from the incomes of the 249,531 households in Johnson County and national spending patterns by income.

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

Johnson County has 124.5 medical and dental practices per 10,000 households, 47% above the U.S. rate of 84.5. Spending per practice is $138K, 9% below the U.S. figure of $152K. At the national ratio of medical and dental practices to household spending, Johnson County would have about 2,821, against 3,107 on map listings. There is one business with payroll in the industry for every 183 households, against one for every 270 across the U.S. The official count rose 14.6% from 2019 to 2023, against +1.5% for the U.S.

How fast is Johnson County, KS growing?

Population estimates put Johnson County at 636,906 people in 2025, up 4.2% since 2020, faster than the U.S. (+3.1%). It has 249,531 households. Median household income in Johnson County is $109,208, 35% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 22.6%, 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. Johnson County scores 42 for medical and dental practices (lower middle), #1,608 of 2,394 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Johnson 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 Johnson County

Screening a site or an acquisition in Johnson 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 Johnson 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.