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Car washes and detailers in Sumter County, SC

Competitor counts, household spending and official business counts for car washes and detailers in Sumter County, SC, set against other counties and the U.S.

Groundwork market score · out of 100

Score 21 out of 100: Low

Ranked #1,353 of 1,451 scored counties
#25 of 27 scored counties in South Carolina

Listings
21
3 chain locations (14%)
Official establishments
n/a
Fewer than 3, or not published
Household spending a year
$35.3M
On vehicle maintenance and repairs · $858 a household
Spending per listing
$1.7M
33% below the U.S.
Listings per 10k households
5.1
34% above the U.S.
Population, 2025
105,067
−0.3% since 2020

See the car washes and detailers around any address in Sumter County

The site report maps the car washes and detailers 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 Sumter 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

The Groundwork market score for car washes and detailers in Sumter County is 21 (low), #1,353 of 1,451 scored counties and #25 of 27 scored counties in South Carolina. That puts it in the bottom quarter of counties.

Map listings as of September 2026 show 21 car washes and detailers in Sumter County. 3 of them (14%) are chain locations, against 23% across the U.S. Per 10,000 households, that is 5.1, 34% above the U.S. rate of 3.8.

Household spending on vehicle maintenance and repairs in Sumter County comes to about $35.3M a year: $858 per household, 10% below the U.S. average. That works out to $1.7M per location, 33% below the U.S. figure of $2.5M. That spending covers all vehicle maintenance and repairs, which car washes and detailers share with other businesses in the trade.

There is no official count of businesses with payroll classed as car washes in Sumter County: counts under 3 aren’t published. Population estimates put the population change in Sumter County from 2020 to 2025 at −0.3%, against +3.1% for the U.S.

How Sumter County compares

The same measures for South Carolina and the whole U.S. Spending per listing divides a year of household spending on all vehicle maintenance and repairs by the car washes and detailers counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Car washes and detailing in Sumter County, SC compared with South Carolina and the U.S.
MeasureSumter CountySouth CarolinaU.S.
Listings per 10k households5.14.03.8
Spending per listing$1.7M$2.3M$2.5M
Households per official establishmentn/a7,3546,523
Official establishment growth, 2019–2023n/a+15.7%+16.7%
Population growth, 2020–2025−0.3%+8.5%+3.1%
Spending per household on vehicle maintenance and repairs$858$907$958
Median household income$56,693$69,324$80,734
Groundwork market score2154

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
213 chain locations
Listings at the U.S. rate for this spending
14The 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 car washes in Sumter 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 Sumter County

Population, 2025 estimate
105,067−0.3% since 2020
Households
41,083
Median age
38.8
Homes lived in by their owners
68%
Vehicles per household
1.8
Land area
665 sq. mi.
People per square mile
157
Median household income
$56,693+24.2% vs. 2015–2019, before inflation
Average household income
$74,835
Median home value
$165,300
Jobs located here
37,301
Daytime population
101,774Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Sumter 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 car washes and detailers on map listings by name and distance.

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

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Car washes and detailing across South Carolina

Every South Carolina market ranked →

The highest-scoring counties in South Carolina for car washes and detailers, numbered among those based in South Carolina, with Sumter County marked.

Top counties in South Carolina

Counties in South Carolina ranked for car washes and detailers by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Kershaw County, SC7783.0$3.4M+11.6%#94 of 1,451
2Aiken County, SC74263.7$2.6M+7.3%#146 of 1,451
3York County, SC69383.3$3M+8.1%#253 of 1,451
4Oconee County, SC69123.5$2.8M+6.3%#258 of 1,451
5Berkeley County, SC69363.8$2.5M+18.7%#264 of 1,451
6Laurens County, SC6693.3$2.8M+6.2%#320 of 1,451
7Spartanburg County, SC66584.4$2.1M+15.6%#330 of 1,451
8Pickens County, SC64203.8$2.5M+5.7%#375 of 1,451
9Lancaster County, SC62153.7$2.5M+18.3%#416 of 1,451
10Lexington County, SC61554.5$2.2M+7.7%#449 of 1,451
25Sumter County, SC21215.1$1.7M−0.3%#1,353 of 1,451

Other business types in Sumter County

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

Questions

How many car washes and detailers are in Sumter County, SC?

There are 21 car washes and detailers on map listings in Sumter County as of September 2026. 3 of them (14%) are chain locations. The listings count car washes and detailers. No official count is published for car washes in Sumter County: counts under 3 are left out.

How much do households in Sumter County, SC spend on vehicle maintenance and repairs?

About $35.3M a year, or $858 per household. That is 10% below the U.S. average (an index of 90, where 100 is the U.S. average). Spread across the 21 car washes and detailers on map listings, it comes to $1.7M per location. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers. It is estimated from the incomes of the 41,083 households in Sumter County and national spending patterns by income.

How does Sumter County, SC compare with the U.S. for car washes and detailers?

Sumter County has 5.1 car washes and detailers per 10,000 households, 34% above the U.S. rate of 3.8. Spending per location is $1.7M, 33% below the U.S. figure of $2.5M. At the national ratio of car washes and detailers to household spending, Sumter County would have about 14, against 21 on map listings.

How fast is Sumter County, SC growing?

Population estimates put Sumter County at 105,067 people in 2025, down 0.3% since 2020, against +3.1% for the U.S. It has 41,083 households. Median household income in Sumter County is $56,693, 30% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 24.2%, 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. Sumter County scores 21 for car washes and detailers (low), #1,353 of 1,451 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Sumter County. It maps the car washes and detailers 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 car washes and detailers · All 56 business types in Sumter County

Screening a site or an acquisition in Sumter 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 Sumter 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.