Groundwork

Health care · County · Washington

Medical and dental practices in Island County, WA

How Island County, WA 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 60 out of 100: Upper middle

Ranked #739 of 2,394 scored counties
#19 of 35 scored counties in Washington

Listings
165
12 chain locations (7%)
Official establishments
77
+1.3% since 2019
Household spending a year
$48.7M
On medical and dental services · $1,353 a household
Spending per listing
$295K
93% above the U.S.
Listings per 10k households
45.9
46% below the U.S.
Population, 2025
85,657
−1.5% since 2020

See the medical and dental practices around any address in Island 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 Island 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 Island County spend about $48.7M a year on medical and dental services, or $1,353 per household, 5% above the U.S. average. That works out to $295K per practice, 93% above the U.S. figure of $152K.

There are 165 medical and dental practices on map listings in Island County as of September 2026. 12 of them (7%) are chain locations, against 11% across the U.S. That comes to 45.9 for every 10,000 households, 46% below 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 Island County was 77 in 2023, up 1.3% from 2019. That is one for every 467 households, against one for every 270 across the U.S. Official counts also show 62 one-person businesses without payroll.

Between 2020 and 2025, the population of Island County declined 1.5%, against +3.1% for the U.S. The Groundwork market score for medical and dental practices in Island County is 60 (upper middle), #739 of 2,394 scored counties and #19 of 35 scored counties in Washington.

How Island 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 Island County, WA compared with Washington and the U.S.
MeasureIsland CountyWashingtonU.S.
Listings per 10k households45.979.384.5
Spending per listing$295K$182K$152K
Households per official establishment467305270
Official establishment growth, 2019–2023+1.3%+0.2%+1.5%
Population growth, 2020–2025−1.5%+3.6%+3.1%
Spending per household on medical and dental services$1,353$1,446$1,288
Median household income$90,551$98,141$80,734
Groundwork market score6075

Official counts and lending

Businesses

Official establishments, 2019 to 2023
76 → 77+1.3% over the period
Employees, 2023
452
Annual payroll, 2023
$27.2M
One-person businesses, 2023
62Businesses with no payroll
Map listings, September 2026
16512 chain locations
Listings at the U.S. rate for this spending
319The 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 Island 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 Island County

Population, 2025 estimate
85,657−1.5% since 2020
Households
35,972
Median age
46.9
Homes lived in by their owners
75%
Vehicles per household
2.1
Land area
209 sq. mi.
People per square mile
416
Median household income
$90,551+32.0% vs. 2015–2019, before inflation
Average household income
$113,035
Median home value
$593,300
Jobs located here
16,025
Daytime population
70,254Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Island 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 Island 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 Island 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
19Island County, WA6016545.9$295K−1.5%#739 of 2,394

Other business types in Island County

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

Questions

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

As of September 2026, map listings count 165 medical and dental practices in Island County. 12 of them (7%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 77 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, up 1.3% from 2019. Another 62 one-person businesses have no payroll, by official counts.

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

About $48.7M a year, or $1,353 per household. That is 5% above the U.S. average (an index of 105, where 100 is the U.S. average). Spread across the 165 medical and dental practices on map listings, it comes to $295K per practice. It is estimated from the incomes of the 35,972 households in Island County and national spending patterns by income.

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

Island County has 45.9 medical and dental practices per 10,000 households, 46% below the U.S. rate of 84.5. Spending per practice is $295K, 93% above the U.S. figure of $152K. At the U.S. ratio of medical and dental practices to household spending, Island County would have about 319, against 165 on map listings. There is one business with payroll in the industry for every 467 households, against one for every 270 across the U.S. The official count rose 1.3% from 2019 to 2023, against +1.5% for the U.S.

How fast is Island County, WA growing?

Population estimates put Island County at 85,657 people in 2025, down 1.5% since 2020, against +3.1% for the U.S. It has 35,972 households. The median household income in Island County is $90,551 a year, 12% above the U.S. median of $80,734. That rose 32.0% 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. Island County scores 60 for medical and dental practices (upper middle), #739 of 2,394 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Island 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 Island 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.