Groundwork

Health care · County · Washington

Physical therapy clinics in Clark County, WA

Competitor counts, household spending and official business counts for physical therapy clinics in Clark County, WA, set against other counties and the U.S.

Groundwork market score · out of 100

Score 77 out of 100: High

Ranked #108 of 1,422 scored counties
#5 of 26 scored counties in Washington

Listings
83
29 chain locations (35%)
Official establishments
59
+15.7% since 2019
Household spending a year
$277.7M
On medical and dental services · $1,417 a household
Spending per listing
$3.3M
39% above the U.S.
Listings per 10k households
4.2
22% below the U.S.
Population, 2025
532,119
+5.3% since 2020

See the physical therapy clinics around any address in Clark County

The site report maps the physical therapy clinics 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 Clark 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

Clark County scores 77 (high) on the Groundwork market score for physical therapy clinics, ranking #108 of 1,422 scored counties and #5 of 26 scored counties in Washington. That puts it in the top 10% of counties for physical therapy clinics.

Households in Clark County spend about $277.7M a year on medical and dental services, or $1,417 per household, 10% above the U.S. average. That works out to $3.3M per clinic, 39% above the U.S. figure of $2.4M. The spending figure covers all medical and dental services, not only physical therapy clinics.

Clark County has 83 physical therapy clinics on map listings as of September 2026. Chain locations make up 35% of them, against 23% across the U.S. That is 4.2 per 10,000 households, 22% below the U.S. rate of 5.4.

In 2023, official counts showed 59 businesses with payroll in Clark County classed as physical, occupational and speech therapists, up 15.7% from 2019. That is one for every 3,322 households, against one for every 2,482 across the U.S. Since fiscal 2022, 3 SBA-backed loans worth $846K have gone to businesses classed as physical, occupational and speech therapists in Clark County. Population estimates put the population change in Clark County from 2020 to 2025 at +5.3%, faster than the U.S. (+3.1%).

How Clark 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 physical therapy clinics counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Physical therapy in Clark County, WA compared with Washington and the U.S.
MeasureClark CountyWashingtonU.S.
Listings per 10k households4.25.65.4
Spending per listing$3.3M$2.6M$2.4M
Households per official establishment3,3222,3452,482
Official establishment growth, 2019–2023+15.7%+22.7%+23.1%
Population growth, 2020–2025+5.3%+3.6%+3.1%
Spending per household on medical and dental services$1,417$1,446$1,288
Median household income$97,536$98,141$80,734
Groundwork market score7767

Official counts and lending

Businesses

Official establishments, 2019 to 2023
51 → 59+15.7% over the period
Employees, 2023
349
Annual payroll, 2023
$19M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
8329 chain locations
Listings at the U.S. rate for this spending
116The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
3
Amount
$846K

SBA-backed loans to businesses classed as physical, occupational and speech therapists in Clark 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 Clark County

Population, 2025 estimate
532,119+5.3% since 2020
Households
196,017
Median age
39.7
Homes lived in by their owners
66%
Vehicles per household
2.0
Land area
629 sq. mi.
People per square mile
823
Median household income
$97,536+29.6% vs. 2015–2019, before inflation
Average household income
$125,385
Median home value
$522,900
Jobs located here
180,756
Daytime population
458,006Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Clark 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 physical therapy clinics on map listings by name and distance.

Or open the report at the center of Clark County. Signed out, you see a blurred preview; on an account, each report is one action.

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Physical therapy across Washington

Every Washington market ranked →

The highest-scoring counties in Washington for physical therapy clinics, numbered among those based in Washington, with Clark County marked.

Top counties in Washington

Counties in Washington ranked for physical therapy clinics by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Mason County, WA9062.3$5.6M+7.8%#6 of 1,422
2Franklin County, WA81113.7$3.6M+5.6%#47 of 1,422
3Grant County, WA79113.1$3.9M+6.3%#73 of 1,422
4Cowlitz County, WA79143.2$3.9M+3.5%#74 of 1,422
5Clark County, WA77834.2$3.3M+5.3%#108 of 1,422
6Clallam County, WA71123.4$3.6M+1.1%#199 of 1,422
7Snohomish County, WA691655.2$2.9M+4.9%#247 of 1,422
8Jefferson County, WA6874.3$2.9M+2.7%#261 of 1,422
9Lewis County, WA67144.3$2.9M+6.7%#285 of 1,422
10Whitman County, WA6552.7$4.3M+1.5%#318 of 1,422

Other business types in Clark County

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

Questions

How many physical therapy clinics are in Clark County, WA?

Map listings as of September 2026 show 83 physical therapy clinics in Clark County. 29 of them (35%) are chain locations. The listings count physical therapy and rehabilitation clinics. Official counts show 59 businesses with payroll classed as physical, occupational and speech therapists in 2023, up 15.7% from 2019.

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

About $277.7M a year, or $1,417 per household. That is 10% above the U.S. average (an index of 110, where 100 is the U.S. average). Spread across the 83 physical therapy clinics on map listings, it comes to $3.3M per clinic. That spending covers all medical and dental services, which physical therapy clinics share with other businesses in the trade. It is estimated from the incomes of the 196,017 households in Clark County and national spending patterns by income.

How does Clark County, WA compare with the U.S. for physical therapy clinics?

Clark County has 4.2 physical therapy clinics per 10,000 households, 22% below the U.S. rate of 5.4. Spending per clinic is $3.3M, 39% above the U.S. figure of $2.4M. At the U.S. ratio of physical therapy clinics to household spending, Clark County would have about 116, against 83 on map listings. There is one business with payroll in the industry for every 3,322 households, against one for every 2,482 across the U.S. The official count rose 15.7% from 2019 to 2023, against +23.1% for the U.S.

How fast is Clark County, WA growing?

Population estimates put Clark County at 532,119 people in 2025, up 5.3% since 2020, faster than the U.S. (+3.1%). It has 196,017 households. Median household income in Clark County is $97,536, 21% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.6%, 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. Clark County scores 77 for physical therapy clinics (high), #108 of 1,422 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Clark County. It maps the physical therapy clinics 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 physical therapy clinics · All 56 business types in Clark County

Screening a site or an acquisition in Clark 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 Clark 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.