Health care · County · Maine
Physical therapy clinics in Knox County, ME
How Knox County, ME compares with other counties and the U.S. for physical therapy clinics: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 44 out of 100: Lower middle
Ranked #877 of 1,422 scored counties
#7 of 15 scored counties in Maine
- Listings
- 11
- 2 chain locations (18%)
- Official establishments
- 6
- Businesses with payroll, 2023
- Household spending a year
- $21.6M
- On medical and dental services · $1,171 a household
- Spending per listing
- $2M
- 18% below the U.S.
- Listings per 10k households
- 6.0
- 11% above the U.S.
- Population, 2025
- 41,117
- +1.1% since 2020
See the physical therapy clinics around any address in Knox 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 Knox 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
Map listings as of September 2026 show 11 physical therapy clinics in Knox County. 2 of them (18%) are chain locations, against 23% across the U.S. That comes to 6.0 for every 10,000 households, 11% above the U.S. rate of 5.4.
At $1,171 per household (9% below the U.S. average), households in Knox County spend about $21.6M a year on medical and dental services. Spread across 11 physical therapy clinics, that is $2M per clinic, 18% below the U.S. figure of $2.4M. That spending covers all medical and dental services, which physical therapy clinics share with other businesses in the trade.
The official count of businesses with payroll classed as physical, occupational and speech therapists in Knox County was 6 in 2023. That is one for every 3,081 households, against one for every 2,482 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $20K has gone to businesses classed as physical, occupational and speech therapists in Knox County.
Between 2020 and 2025, the population of Knox County grew 1.1%, slower than the U.S. (+3.1%). The Groundwork market score for physical therapy clinics in Knox County is 44 (lower middle), #877 of 1,422 scored counties and #7 of 15 scored counties in Maine.
How Knox County compares
The same measures for Maine 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.
| Measure | Knox County | Maine | U.S. |
|---|---|---|---|
| Listings per 10k households | 6.0 | 6.9 | 5.4 |
| Spending per listing | $2M | $1.7M | $2.4M |
| Households per official establishment | 3,081 | 1,964 | 2,482 |
| Official establishment growth, 2019–2023 | n/a | +36.3% | +23.1% |
| Population growth, 2020–2025 | +1.1% | +3.7% | +3.1% |
| Spending per household on medical and dental services | $1,171 | $1,163 | $1,288 |
| Median household income | $74,096 | $74,733 | $80,734 |
| Groundwork market score | 44 | 27 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 6 → 6
- Employees, 2023
- 24
- Annual payroll, 2023
- $1.1M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 112 chain locations
- Listings at the U.S. rate for this spending
- 9The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $20K
SBA-backed loans to businesses classed as physical, occupational and speech therapists in Knox 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 Knox County
- Population, 2025 estimate
- 41,117+1.1% since 2020
- Households
- 18,484
- Median age
- 49.3
- Homes lived in by their owners
- 79%
- Vehicles per household
- 1.8
- Land area
- 365 sq. mi.
- People per square mile
- 112
- Median household income
- $74,096+28.3% vs. 2015–2019, before inflation
- Average household income
- $99,101
- Median home value
- $324,900
- Jobs located here
- 16,342
- Daytime population
- 41,779Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Knox 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 Knox County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardPhysical therapy across Maine
Every Maine market ranked →The highest-scoring counties in Maine for physical therapy clinics, numbered among those based in Maine, with Knox County marked.
Top counties in Maine
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Lincoln County, ME | 71 | 5 | 3.0 | $3.9M | +3.8% | #197 of 1,422 |
| 2Waldo County, ME | 69 | 6 | 3.4 | $3.2M | +2.6% | #244 of 1,422 |
| 3Oxford County, ME | 60 | 9 | 3.7 | $2.8M | +4.2% | #442 of 1,422 |
| 4Franklin County, ME | 56 | 5 | 3.9 | $2.6M | +4.6% | #552 of 1,422 |
| 5Somerset County, ME | 54 | 11 | 4.7 | $2.2M | +2.3% | #626 of 1,422 |
| 6Kennebec County, ME | 49 | 30 | 5.5 | $2M | +3.5% | #747 of 1,422 |
| 7Knox County, ME | 44 | 11 | 6.0 | $2M | +1.1% | #877 of 1,422 |
| 8York County, ME | 43 | 58 | 6.3 | $2M | +4.8% | #903 of 1,422 |
| 9Aroostook County, ME | 42 | 10 | 3.3 | $3M | −0.7% | #917 of 1,422 |
| 10Sagadahoc County, ME | 35 | 10 | 6.1 | $2M | +3.4% | #1,104 of 1,422 |
Other business types in Knox 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
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many physical therapy clinics are in Knox County, ME?
There are 11 physical therapy clinics on map listings in Knox County as of September 2026. 2 of them (18%) are chain locations. The listings count physical therapy and rehabilitation clinics. Official counts show 6 businesses with payroll classed as physical, occupational and speech therapists in 2023.
How much do households in Knox County, ME spend on medical and dental services?
About $21.6M a year, or $1,171 per household. That is 9% below the U.S. average (an index of 91, where 100 is the U.S. average). Spread across the 11 physical therapy clinics on map listings, it comes to $2M per clinic. The spending figure covers all medical and dental services, not only physical therapy clinics. It is estimated from the incomes of the 18,484 households in Knox County and national spending patterns by income.
How does Knox County, ME compare with the U.S. for physical therapy clinics?
Knox County has 6.0 physical therapy clinics per 10,000 households, 11% above the U.S. rate of 5.4. Spending per clinic is $2M, 18% below the U.S. figure of $2.4M. At the national ratio of physical therapy clinics to household spending, Knox County would have about 9, against 11 on map listings. There is one business with payroll in the industry for every 3,081 households, against one for every 2,482 across the U.S.
How fast is Knox County, ME growing?
Population estimates put Knox County at 41,117 people in 2025, up 1.1% since 2020, slower than the U.S. (+3.1%). It has 18,484 households. The median household income in Knox County is $74,096 a year, 8% below the U.S. median of $80,734. That rose 28.3% 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. Knox County scores 44 for physical therapy clinics (lower middle), #877 of 1,422 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Knox 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 Knox County
Screening a site or an acquisition in Knox 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 Knox 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.