Health care · County · Washington
Dentists and orthodontists in Island County, WA
The dentists and orthodontists in Island County, WA, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 62 out of 100: Upper middle
Ranked #498 of 1,886 scored counties
#10 of 32 scored counties in Washington
- Listings
- 27
- 1 chain location (4%)
- Official establishments
- 24
- 0.0% since 2019
- Household spending a year
- $48.7M
- On medical and dental services · $1,353 a household
- Spending per listing
- $1.8M
- 83% above the U.S.
- Listings per 10k households
- 7.5
- 43% below the U.S.
- Population, 2025
- 85,657
- −1.5% since 2020
See the dentists and orthodontists around any address in Island 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 Island County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
As of September 2026, map listings count 27 dentists and orthodontists in Island County. One of them (4%) is a chain location, against 12% across the U.S. That comes to 7.5 for every 10,000 households, 43% below the U.S. rate of 13.1.
At $1,353 per household (5% above the U.S. average), households in Island County spend about $48.7M a year on medical and dental services. That works out to $1.8M per practice, 83% 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.
In 2023, official counts showed 24 businesses with payroll in Island County classed as offices of dentists, unchanged from 2019. That is one for every 1,499 households, against one for every 952 across the U.S.
Population estimates put the population change in Island County from 2020 to 2025 at −1.5%, against +3.1% for the U.S. For dentists and orthodontists, Island County has a Groundwork market score of 62 (upper middle): #498 of 1,886 scored counties and #10 of 32 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 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.
| Measure | Island County | Washington | U.S. |
|---|---|---|---|
| Listings per 10k households | 7.5 | 14.9 | 13.1 |
| Spending per listing | $1.8M | $971K | $984K |
| Households per official establishment | 1,499 | 844 | 952 |
| Official establishment growth, 2019–2023 | 0.0% | −0.5% | −0.5% |
| 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 score | 62 | 47 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 24 → 240.0% over the period
- Employees, 2023
- 197
- Annual payroll, 2023
- $13M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 271 chain location
- Listings at the U.S. rate for this spending
- 50The 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 dentists 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 dentists and orthodontists 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 cardDentists and orthodontists across Washington
Every Washington market ranked →The highest-scoring counties in Washington for dentists and orthodontists, numbered among those based in Washington, with Island County marked.
Top counties in Washington
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Mason County, WA | 81 | 17 | 6.5 | $2M | +7.8% | #61 of 1,886 |
| 2Klickitat County, WA | 79 | 6 | 6.1 | $2M | +6.6% | #85 of 1,886 |
| 3Pacific County, WA | 78 | 7 | 6.4 | $1.8M | +3.6% | #103 of 1,886 |
| 4Stevens County, WA | 74 | 16 | 8.3 | $1.5M | +6.6% | #185 of 1,886 |
| 5Grant County, WA | 72 | 26 | 7.3 | $1.7M | +6.3% | #219 of 1,886 |
| 6Douglas County, WA | 71 | 13 | 8.2 | $1.6M | +8.0% | #246 of 1,886 |
| 7Jefferson County, WA | 70 | 10 | 6.1 | $2.1M | +2.7% | #258 of 1,886 |
| 8Franklin County, WA | 70 | 23 | 7.7 | $1.7M | +5.6% | #267 of 1,886 |
| 9San Juan County, WA | 69 | 6 | 6.7 | $2M | +4.2% | #280 of 1,886 |
| 10Island County, WA | 62 | 27 | 7.5 | $1.8M | −1.5% | #498 of 1,886 |
Other business types in Island County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
- Doctors, dentists and clinics60
- Dentists and orthodontists62
- Primary care and pediatrics74
- Urgent care and walk-in clinics
- Chiropractors56
- Physical therapy39
- Optometrists and eye care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many dentists and orthodontists are in Island County, WA?
Island County has 27 dentists and orthodontists on map listings as of September 2026. One of them (4%) is a chain location. The listings count dental practices, orthodontists included. Official counts show 24 businesses with payroll classed as offices of dentists in 2023, unchanged from 2019.
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 27 dentists and orthodontists on map listings, it comes to $1.8M per practice. The spending figure covers all medical and dental services, not only dentists and orthodontists. 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 dentists and orthodontists?
Island County has 7.5 dentists and orthodontists per 10,000 households, 43% below the U.S. rate of 13.1. Spending per practice is $1.8M, 83% above the U.S. figure of $984K. At the national ratio of dentists and orthodontists to household spending, Island County would have about 50, against 27 on map listings. There is one business with payroll in the industry for every 1,499 households, against one for every 952 across the U.S. The official count held level from 2019 to 2023, against −0.5% 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 62 for dentists and orthodontists (upper middle), #498 of 1,886 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 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 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.