Groundwork

Health care · County · South Carolina

Physical therapy clinics in Marlboro County, SC

The physical therapy clinics in Marlboro County, SC, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 9 out of 100: Very low

Ranked #1,405 of 1,422 scored counties
#27 of 27 scored counties in South Carolina

Listings
5
0 chain locations (0%)
Official establishments
n/a
Fewer than 3, or not published
Household spending a year
$8M
On medical and dental services · $821 a household
Spending per listing
$1.6M
33% below the U.S.
Listings per 10k households
5.1
6% below the U.S.
Population, 2025
25,488
−3.8% since 2020

See the physical therapy clinics around any address in Marlboro 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 Marlboro County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

The Groundwork market score for physical therapy clinics in Marlboro County is 9 (very low), #1,405 of 1,422 scored counties and #27 of 27 scored counties in South Carolina. That puts it in the bottom quarter of counties.

At $821 per household (36% below the U.S. average), households in Marlboro County spend about $8M a year on medical and dental services. That is about $1.6M of household spending for each clinic on map listings, 33% below the U.S. figure of $2.4M. The spending figure covers all medical and dental services, not only physical therapy clinics.

There are 5 physical therapy clinics on map listings in Marlboro County as of September 2026. None of them are chain locations, against 23% across the U.S. Per 10,000 households, that is 5.1, 6% below the U.S. rate of 5.4.

Official counts don’t publish a figure for physical, occupational and speech therapists in Marlboro County, since they leave out counts under 3. Between 2020 and 2025, the population of Marlboro County declined 3.8%, against +3.1% for the U.S.

How Marlboro 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 Marlboro County, SC compared with South Carolina and the U.S.
MeasureMarlboro CountySouth CarolinaU.S.
Listings per 10k households5.15.05.4
Spending per listing$1.6M$2.2M$2.4M
Households per official establishmentn/a2,8932,482
Official establishment growth, 2019–2023n/a+19.6%+23.1%
Population growth, 2020–2025−3.8%+8.5%+3.1%
Spending per household on medical and dental services$821$1,086$1,288
Median household income$34,301$69,324$80,734
Groundwork market score960

Official counts and lending

Businesses

Official establishments, 2019 to 2023
n/a
Employees, 2023
n/a
Annual payroll, 2023
n/a
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
50 chain locations
Listings at the U.S. rate for this spending
3The 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 physical, occupational and speech therapists in Marlboro 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 Marlboro County

Population, 2025 estimate
25,488−3.8% since 2020
Households
9,789
Median age
41.8
Homes lived in by their owners
63%
Vehicles per household
1.6
Land area
480 sq. mi.
People per square mile
54
Median household income
$34,301+2.1% vs. 2015–2019, before inflation
Average household income
$51,818
Median home value
$82,000
Jobs located here
5,341
Daytime population
21,081Residents who don’t work, plus everyone whose job is here

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

Free10 actions over 3 days, no card

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 Marlboro 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
27Marlboro County, SC955.1$1.6M−3.8%#1,405 of 1,422

Other business types in Marlboro County

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

Questions

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

As of September 2026, map listings count 5 physical therapy clinics in Marlboro County. None of them are chain locations. The listings count physical therapy and rehabilitation clinics. No official count is published for physical, occupational and speech therapists in Marlboro County: counts under 3 are left out.

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

About $8M a year, or $821 per household. That is 36% below the U.S. average (an index of 64, where 100 is the U.S. average). Spread across the 5 physical therapy clinics on map listings, it comes to $1.6M 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 9,789 households in Marlboro County and national spending patterns by income.

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

Marlboro County has 5.1 physical therapy clinics per 10,000 households, 6% below the U.S. rate of 5.4. Spending per clinic is $1.6M, 33% below the U.S. figure of $2.4M. At the U.S. ratio of physical therapy clinics to household spending, Marlboro County would have about 3, against 5 on map listings.

How fast is Marlboro County, SC growing?

Population estimates put Marlboro County at 25,488 people in 2025, down 3.8% since 2020, against +3.1% for the U.S. It has 9,789 households. Median household income in Marlboro County is $34,301, 58% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 2.1%, 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. Marlboro County scores 9 for physical therapy clinics (very low), #1,405 of 1,422 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Marlboro 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 Marlboro 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.