Groundwork

Health care · County · South Carolina

Urgent care and walk-in clinics in Charleston County, SC

How Charleston County, SC compares with other counties and the U.S. for urgent care and walk-in clinics: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 32 out of 100: Lower middle

Ranked #269 of 325 scored counties
#7 of 8 scored counties in South Carolina

Listings
17
2 chain locations (12%)
Official establishments
31
+55.0% since 2019
Household spending a year
$221.4M
On medical and dental services · $1,237 a household
Spending per listing
$13M
47% below the U.S.
Listings per 10k households
0.9
80% above the U.S.
Population, 2025
436,200
+6.4% since 2020

See the urgent care and walk-in clinics around any address in Charleston County

The site report maps the urgent care and walk-in 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

For urgent care and walk-in clinics, Charleston County has a Groundwork market score of 32 (lower middle): #269 of 325 scored counties and #7 of 8 scored counties in South Carolina. That puts it in the bottom quarter of counties.

Map listings as of September 2026 show 17 urgent care and walk-in clinics in Charleston County. 2 of them (12%) are chain locations, against 24% across the U.S. Per 10,000 households, that is 0.9, 80% above the U.S. rate of 0.5.

Household spending on medical and dental services in Charleston County comes to about $221.4M a year: $1,237 per household, 4% below the U.S. average. Spread across 17 urgent care and walk-in clinics, that is $13M per clinic, 47% below the U.S. figure of $24.5M. That spending covers all medical and dental services, which urgent care and walk-in clinics share with other businesses in the trade.

In 2023, official counts showed 31 businesses with payroll in Charleston County classed as freestanding emergency and urgent care centers, up 55.0% from 2019. That is one for every 5,773 households, against one for every 12,867 across the U.S. Between 2020 and 2025, the population of Charleston County grew 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 urgent care and walk-in 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.

Urgent care and walk-in clinics in Charleston County, SC compared with South Carolina and the U.S.
MeasureCharleston CountySouth CarolinaU.S.
Listings per 10k households0.90.50.5
Spending per listing$13M$23.2M$24.5M
Households per official establishment5,77311,44912,867
Official establishment growth, 2019–2023+55.0%+20.1%+32.0%
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 score3240

Official counts and lending

Businesses

Official establishments, 2019 to 2023
20 → 31+55.0% over the period
Employees, 2023
653
Annual payroll, 2023
$35.2M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
172 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
0
Amount
$0

SBA-backed loans to businesses classed as freestanding emergency and urgent care centers 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 urgent care and walk-in 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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Urgent care and walk-in clinics across South Carolina

Every South Carolina market ranked →

The highest-scoring counties in South Carolina for urgent care and walk-in clinics, numbered among those based in South Carolina, with Charleston County marked.

Top counties in South Carolina

Counties in South Carolina ranked for urgent care and walk-in clinics by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1York County, SC7350.4$27.9M+8.1%#32 of 325
2Greenville County, SC61110.5$23M+10.6%#90 of 325
3Spartanburg County, SC5460.5$23M+15.6%#141 of 325
4Horry County, SC4760.4$27.7M+20.9%#179 of 325
5Beaufort County, SC4750.6$20.2M+8.9%#180 of 325
6Lexington County, SC4090.7$15.1M+7.7%#231 of 325
7Charleston County, SC32170.9$13M+6.4%#269 of 325
8Richland County, SC30110.7$16.3M+4.6%#277 of 325

Other business types in Charleston County

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

Questions

How many urgent care and walk-in clinics are in Charleston County, SC?

There are 17 urgent care and walk-in clinics on map listings in Charleston County as of September 2026. 2 of them (12%) are chain locations. The listings count urgent care and walk-in clinics. Official counts show 31 businesses with payroll classed as freestanding emergency and urgent care centers in 2023, up 55.0% 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 17 urgent care and walk-in clinics on map listings, it comes to $13M per clinic. The spending figure covers all medical and dental services, not only urgent care and walk-in 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 urgent care and walk-in clinics?

Charleston County has 0.9 urgent care and walk-in clinics per 10,000 households, 80% above the U.S. rate of 0.5. Spending per clinic is $13M, 47% below the U.S. figure of $24.5M. At the national ratio of urgent care and walk-in clinics to household spending, Charleston County would have about 9, against 17 on map listings. There is one business with payroll in the industry for every 5,773 households, against one for every 12,867 across the U.S. The official count rose 55.0% from 2019 to 2023, against +32.0% 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 32 for urgent care and walk-in clinics (lower middle), #269 of 325 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 urgent care and walk-in 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 urgent care and walk-in 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.