Groundwork

Health care · County · South Carolina

Physical therapy clinics in Charleston County, SC

How Charleston County, SC 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 35 out of 100: Lower middle

Ranked #1,115 of 1,422 scored counties
#24 of 27 scored counties in South Carolina

Listings
156
48 chain locations (31%)
Official establishments
104
+14.3% since 2019
Household spending a year
$221.4M
On medical and dental services · $1,237 a household
Spending per listing
$1.4M
41% below the U.S.
Listings per 10k households
8.7
61% above the U.S.
Population, 2025
436,200
+6.4% since 2020

See the physical therapy clinics around any address in Charleston 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 Charleston 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

Charleston County scores 35 (lower middle) on the Groundwork market score for physical therapy clinics, ranking #1,115 of 1,422 scored counties and #24 of 27 scored counties in South Carolina. That puts it in the bottom quarter of counties.

As of September 2026, map listings count 156 physical therapy clinics in Charleston County. Chain locations make up 31% of them, against 23% across the U.S. That comes to 8.7 for every 10,000 households, 61% above the U.S. rate of 5.4.

Households in Charleston County spend about $221.4M a year on medical and dental services, or $1,237 per household, 4% below the U.S. average. That is about $1.4M of household spending for each clinic on map listings, 41% 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.

In 2023, official counts showed 104 businesses with payroll in Charleston County classed as physical, occupational and speech therapists, up 14.3% from 2019. That is one for every 1,721 households, against one for every 2,482 across the U.S. Since fiscal 2022, 5 SBA-backed loans worth $1M have gone to businesses classed as physical, occupational and speech therapists in Charleston County. Population estimates put the population change in Charleston County from 2020 to 2025 at +6.4%, faster than the U.S. (+3.1%).

How Charleston County compares

The same measures for South Carolina 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 Charleston County, SC compared with South Carolina and the U.S.
MeasureCharleston CountySouth CarolinaU.S.
Listings per 10k households8.75.05.4
Spending per listing$1.4M$2.2M$2.4M
Households per official establishment1,7212,8932,482
Official establishment growth, 2019–2023+14.3%+19.6%+23.1%
Population growth, 2020–2025+6.4%+8.5%+3.1%
Spending per household on medical and dental services$1,237$1,086$1,288
Median household income$88,494$69,324$80,734
Groundwork market score3560

Official counts and lending

Businesses

Official establishments, 2019 to 2023
91 → 104+14.3% over the period
Employees, 2023
670
Annual payroll, 2023
$33.2M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
15648 chain locations
Listings at the U.S. rate for this spending
92The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
5
Amount
$1M

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

Population, 2025 estimate
436,200+6.4% since 2020
Households
178,975
Median age
40.2
Homes lived in by their owners
64%
Vehicles per household
1.7
Land area
918 sq. mi.
People per square mile
458
Median household income
$88,494+38.2% vs. 2015–2019, before inflation
Average household income
$131,674
Median home value
$489,100
Jobs located here
279,531
Daytime population
508,326Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Charleston 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 Charleston County. Signed out, you see a blurred preview; on an account, each report is one action.

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Physical therapy across South Carolina

Every South Carolina market ranked →

The highest-scoring counties in South Carolina for physical therapy clinics, numbered among those based in South Carolina, with Charleston County marked.

Top counties in South Carolina

Counties in South Carolina ranked for physical therapy clinics by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Kershaw County, SC7883.0$3.6M+11.6%#92 of 1,422
2Laurens County, SC6951.9$5.2M+6.2%#231 of 1,422
3Aiken County, SC64243.4$3.2M+7.3%#338 of 1,422
4Spartanburg County, SC64534.0$2.6M+15.6%#351 of 1,422
5Jasper County, SC6264.6$2.3M+32.2%#403 of 1,422
6Horry County, SC61664.2$2.5M+20.9%#419 of 1,422
7York County, SC60494.3$2.8M+8.1%#441 of 1,422
8Berkeley County, SC60444.7$2.4M+18.7%#454 of 1,422
9Sumter County, SC59133.2$3.1M−0.3%#469 of 1,422
10Greenwood County, SC5993.2$3M+1.5%#471 of 1,422
24Charleston County, SC351568.7$1.4M+6.4%#1,115 of 1,422

Other business types in Charleston County

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

Questions

How many physical therapy clinics are in Charleston County, SC?

Charleston County has 156 physical therapy clinics on map listings as of September 2026. 48 of them (31%) are chain locations. The listings count physical therapy and rehabilitation clinics. Official counts show 104 businesses with payroll classed as physical, occupational and speech therapists in 2023, up 14.3% from 2019.

How much do households in Charleston County, SC spend on medical and dental services?

About $221.4M a year, or $1,237 per household. That is 4% below the U.S. average (an index of 96, where 100 is the U.S. average). Spread across the 156 physical therapy clinics on map listings, it comes to $1.4M per clinic. The spending figure covers all medical and dental services, not only physical therapy clinics. It is estimated from the incomes of the 178,975 households in Charleston County and national spending patterns by income.

How does Charleston County, SC compare with the U.S. for physical therapy clinics?

Charleston County has 8.7 physical therapy clinics per 10,000 households, 61% above the U.S. rate of 5.4. Spending per clinic is $1.4M, 41% below the U.S. figure of $2.4M. At the national ratio of physical therapy clinics to household spending, Charleston County would have about 92, against 156 on map listings. There is one business with payroll in the industry for every 1,721 households, against one for every 2,482 across the U.S. The official count rose 14.3% from 2019 to 2023, against +23.1% for the U.S.

How fast is Charleston County, SC growing?

Population estimates put Charleston County at 436,200 people in 2025, up 6.4% since 2020, faster than the U.S. (+3.1%). It has 178,975 households. The median household income in Charleston County is $88,494 a year, 10% above the U.S. median of $80,734. That rose 38.2% 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. Charleston County scores 35 for physical therapy clinics (lower middle), #1,115 of 1,422 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Charleston 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 Charleston 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.