Groundwork

Health care · County · South Carolina

Medical and dental practices in Williamsburg County, SC

How Williamsburg County, SC compares with other counties and the U.S. for medical and dental practices: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 50 out of 100: Upper middle

Ranked #1,162 of 2,394 scored counties
#19 of 44 scored counties in South Carolina

Listings
42
6 chain locations (14%)
Official establishments
6
Businesses with payroll, 2023
Household spending a year
$10.8M
On medical and dental services · $879 a household
Spending per listing
$257K
69% above the U.S.
Listings per 10k households
34.2
60% below the U.S.
Population, 2025
29,662
−4.0% since 2020

See the medical and dental practices around any address in Williamsburg County

The site report maps the medical and dental practices 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 Williamsburg 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

As of September 2026, map listings count 42 medical and dental practices in Williamsburg County. Chain locations make up 14% of them, against 11% across the U.S. That comes to 34.2 for every 10,000 households, 60% below the U.S. rate of 84.5.

Household spending on medical and dental services in Williamsburg County comes to about $10.8M a year: $879 per household, 32% below the U.S. average. Spread across 42 medical and dental practices, that is $257K per practice, 69% above the U.S. figure of $152K.

The official count of businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Williamsburg County was 6 in 2023. That is one for every 2,049 households, against one for every 270 across the U.S. Official counts list 5 one-person businesses without payroll.

Population estimates put the population change in Williamsburg County from 2020 to 2025 at −4.0%, against +3.1% for the U.S. Williamsburg County scores 50 (upper middle) on the Groundwork market score for medical and dental practices, ranking #1,162 of 2,394 scored counties and #19 of 44 scored counties in South Carolina.

How Williamsburg 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 medical and dental practices counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Doctors, dentists and clinics in Williamsburg County, SC compared with South Carolina and the U.S.
MeasureWilliamsburg CountySouth CarolinaU.S.
Listings per 10k households34.277.884.5
Spending per listing$257K$140K$152K
Households per official establishment2,049340270
Official establishment growth, 2019–2023n/a+5.7%+1.5%
Population growth, 2020–2025−4.0%+8.5%+3.1%
Spending per household on medical and dental services$879$1,086$1,288
Median household income$46,213$69,324$80,734
Groundwork market score5049

Official counts and lending

Businesses

Official establishments, 2019 to 2023
10 → 6
Employees, 2023
52
Annual payroll, 2023
$2M
One-person businesses, 2023
5Businesses with no payroll
Map listings, September 2026
426 chain locations
Listings at the U.S. rate for this spending
71The 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 physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in Williamsburg 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 Williamsburg County

Population, 2025 estimate
29,662−4.0% since 2020
Households
12,291
Median age
43.5
Homes lived in by their owners
76%
Vehicles per household
1.9
Land area
934 sq. mi.
People per square mile
32
Median household income
$46,213+42.3% vs. 2015–2019, before inflation
Average household income
$59,459
Median home value
$104,500
Jobs located here
7,315
Daytime population
24,639Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Williamsburg 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 medical and dental practices on map listings by name and distance.

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

Free10 actions over 3 days, no card

Doctors, dentists and clinics across South Carolina

Every South Carolina market ranked →

The highest-scoring counties in South Carolina for medical and dental practices, numbered among those based in South Carolina, with Williamsburg County marked.

Top counties in South Carolina

Counties in South Carolina ranked for medical and dental practices by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Edgefield County, SC831515.4$688K+16.1%#58 of 2,394
2Jasper County, SC773627.4$378K+32.2%#147 of 2,394
3Saluda County, SC731620.9$467K+4.1%#248 of 2,394
4Abbeville County, SC712424.6$409K+2.3%#305 of 2,394
5Kershaw County, SC6612345.7$231K+11.6%#506 of 2,394
6Calhoun County, SC62812.9$765K+0.6%#638 of 2,394
7Laurens County, SC6211843.8$221K+6.2%#673 of 2,394
8Fairfield County, SC602426.9$357K−2.6%#730 of 2,394
9Chesterfield County, SC606537.1$249K+3.4%#749 of 2,394
10Lancaster County, SC6022656.3$205K+18.3%#762 of 2,394
19Williamsburg County, SC504234.2$257K−4.0%#1,162 of 2,394

Other business types in Williamsburg County

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

Questions

How many medical and dental practices are in Williamsburg County, SC?

Williamsburg County has 42 medical and dental practices on map listings as of September 2026. 6 of them (14%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 6 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023. Official counts also show 5 one-person businesses without payroll.

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

About $10.8M a year, or $879 per household. That is 32% below the U.S. average (an index of 68, where 100 is the U.S. average). Spread across the 42 medical and dental practices on map listings, it comes to $257K per practice. It is estimated from the incomes of the 12,291 households in Williamsburg County and national spending patterns by income.

How does Williamsburg County, SC compare with the U.S. for medical and dental practices?

Williamsburg County has 34.2 medical and dental practices per 10,000 households, 60% below the U.S. rate of 84.5. Spending per practice is $257K, 69% above the U.S. figure of $152K. At the national ratio of medical and dental practices to household spending, Williamsburg County would have about 71, against 42 on map listings. There is one business with payroll in the industry for every 2,049 households, against one for every 270 across the U.S.

How fast is Williamsburg County, SC growing?

Population estimates put Williamsburg County at 29,662 people in 2025, down 4.0% since 2020, against +3.1% for the U.S. It has 12,291 households. Median household income in Williamsburg County is $46,213, 43% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 42.3%, 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. Williamsburg County scores 50 for medical and dental practices (upper middle), #1,162 of 2,394 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Williamsburg County. It maps the medical and dental practices 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 medical and dental practices · All 56 business types in Williamsburg County

Screening a site or an acquisition in Williamsburg 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 Williamsburg 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.