Groundwork

Health care · County · Washington

Medical and dental practices in Mason County, WA

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

Groundwork market score · out of 100

Score 85 out of 100: High

Ranked #34 of 2,394 scored counties
#3 of 35 scored counties in Washington

Listings
69
3 chain locations (4%)
Official establishments
34
−5.6% since 2019
Household spending a year
$33.8M
On medical and dental services · $1,298 a household
Spending per listing
$490K
3.2 times the U.S.
Listings per 10k households
26.5
69% below the U.S.
Population, 2025
71,165
+7.8% since 2020

See the medical and dental practices around any address in Mason 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 Mason County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

For medical and dental practices, Mason County has a Groundwork market score of 85 (high): #34 of 2,394 scored counties and #3 of 35 scored counties in Washington. That puts it in the top 10% of counties for medical and dental practices.

Households in Mason County spend about $33.8M a year on medical and dental services, or $1,298 per household, in line with the U.S. average. Spread across 69 medical and dental practices, that is $490K per practice, 3.2 times the U.S. figure of $152K.

Mason County has 69 medical and dental practices on map listings as of September 2026. Chain locations make up 4% of them, against 11% across the U.S. That is 26.5 per 10,000 households, 69% below the U.S. rate of 84.5.

In 2023, official counts showed 34 businesses with payroll in Mason County classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers, down 5.6% from 2019. That is one for every 766 households, against one for every 270 across the U.S. Population estimates show Mason County grew 7.8% from 2020 to 2025, faster than the U.S. (+3.1%).

How Mason County compares

The same measures for Washington 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 Mason County, WA compared with Washington and the U.S.
MeasureMason CountyWashingtonU.S.
Listings per 10k households26.579.384.5
Spending per listing$490K$182K$152K
Households per official establishment766305270
Official establishment growth, 2019–2023−5.6%+0.2%+1.5%
Population growth, 2020–2025+7.8%+3.6%+3.1%
Spending per household on medical and dental services$1,298$1,446$1,288
Median household income$83,270$98,141$80,734
Groundwork market score8575

Official counts and lending

Businesses

Official establishments, 2019 to 2023
36 → 34−5.6% over the period
Employees, 2023
176
Annual payroll, 2023
$9.5M
One-person businesses, 2023
17Businesses with no payroll
Map listings, September 2026
693 chain locations
Listings at the U.S. rate for this spending
222The 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 physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Mason 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 Mason County

Population, 2025 estimate
71,165+7.8% since 2020
Households
26,029
Median age
45.5
Homes lived in by their owners
82%
Vehicles per household
2.3
Land area
960 sq. mi.
People per square mile
71
Median household income
$83,270+44.5% vs. 2015–2019, before inflation
Average household income
$100,630
Median home value
$411,800
Jobs located here
13,833
Daytime population
54,996Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Mason 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 Mason 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 Washington

Every Washington market ranked →

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

Top counties in Washington

Counties in Washington ranked for medical and dental practices by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Skamania County, WA881427.9$495K+5.2%#10 of 2,394
2Douglas County, WA873622.6$587K+8.0%#17 of 2,394
3Mason County, WA856926.5$490K+7.8%#34 of 2,394
4Lincoln County, WA831531.1$386K+9.7%#64 of 2,394
5Klickitat County, WA813636.5$341K+6.6%#91 of 2,394
6Pacific County, WA803330.1$392K+3.6%#102 of 2,394
7Pend Oreille County, WA781931.9$374K+7.1%#123 of 2,394
8Franklin County, WA7311438.1$350K+5.6%#255 of 2,394
9Grant County, WA7214240.1$302K+6.3%#290 of 2,394
10Adams County, WA692539.8$295K+4.3%#379 of 2,394

Other business types in Mason County

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

Questions

How many medical and dental practices are in Mason County, WA?

Map listings as of September 2026 show 69 medical and dental practices in Mason County. 3 of them (4%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 34 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, down 5.6% from 2019. Official counts also show 17 one-person businesses without payroll.

How much do households in Mason County, WA spend on medical and dental services?

About $33.8M a year, or $1,298 per household. That is in line with the U.S. average (an index of 101, where 100 is the U.S. average). Spread across the 69 medical and dental practices on map listings, it comes to $490K per practice. It is estimated from the incomes of the 26,029 households in Mason County and national spending patterns by income.

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

Mason County has 26.5 medical and dental practices per 10,000 households, 69% below the U.S. rate of 84.5. Spending per practice is $490K, 3.2 times the U.S. figure of $152K. At the U.S. ratio of medical and dental practices to household spending, Mason County would have about 222, against 69 on map listings. There is one business with payroll in the industry for every 766 households, against one for every 270 across the U.S. The official count fell 5.6% from 2019 to 2023, against +1.5% for the U.S.

How fast is Mason County, WA growing?

Population estimates put Mason County at 71,165 people in 2025, up 7.8% since 2020, faster than the U.S. (+3.1%). It has 26,029 households. The median household income in Mason County is $83,270 a year, 3% above the U.S. median of $80,734. That rose 44.5% 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. Mason County scores 85 for medical and dental practices (high), #34 of 2,394 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Mason 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 Mason 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.