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Car washes and detailers in Clay County, SD

How Clay County, SD compares with other counties and the U.S. for car washes and detailers: competitors, household spending, official counts and growth.

Groundwork market score

Not scored

The score needs at least 5 listings; this market has 4.

Listings
4
1 chain location (25%)
Official establishments
n/a
Fewer than 3, or not published
Household spending a year
$5.9M
On vehicle maintenance and repairs · $1,066 a household
Spending per listing
$1.5M
41% below the U.S.
Listings per 10k households
7.2
89% above the U.S.
Population, 2025
15,031
+0.2% since 2020

See the car washes and detailers around any address in Clay 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 Clay 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

Household spending on vehicle maintenance and repairs in Clay County comes to about $5.9M a year: $1,066 per household, 11% above the U.S. average. That is about $1.5M of household spending for each location on map listings, 41% below the U.S. figure of $2.5M. The spending figure covers all vehicle maintenance and repairs, not only car washes and detailers.

Clay County has 4 car washes and detailers on map listings as of September 2026. That comes to 7.2 for every 10,000 households, 89% above the U.S. rate of 3.8.

Official counts don’t publish a figure for car washes in Clay County, since they leave out counts under 3.

Between 2020 and 2025, the population of Clay County grew 0.2%, slower than the U.S. (+3.1%). With 4 car washes and detailers on map listings, Clay County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.

How Clay County compares

The same measures for South Dakota 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 Clay County, SD compared with South Dakota and the U.S.
MeasureClay CountySouth DakotaU.S.
Listings per 10k households7.24.93.8
Spending per listing$1.5M$2.4M$2.5M
Households per official establishmentn/a5,7126,523
Official establishment growth, 2019–2023n/a+14.3%+16.7%
Population growth, 2020–2025+0.2%+5.3%+3.1%
Spending per household on vehicle maintenance and repairs$1,066$1,189$958
Median household income$56,850$75,081$80,734
Groundwork market scoreNot scored56

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
41 chain location
Listings at the U.S. rate for this spending
2The 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 Clay 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 Clay County

Population, 2025 estimate
15,031+0.2% since 2020
Households
5,547
Median age
31.1
Homes lived in by their owners
51%
Vehicles per household
1.9
Land area
412 sq. mi.
People per square mile
37
Median household income
$56,850+12.1% vs. 2015–2019, before inflation
Average household income
$78,631
Median home value
$232,300
Jobs located here
5,728
Daytime population
14,972Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Clay 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 Clay 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 Dakota

Every South Dakota market ranked →

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

Top counties in South Dakota

Counties in South Dakota ranked for car washes and detailers by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Lincoln County, SD77165.7$2.2M+17.5%#103 of 1,451
2Brookings County, SD7175.1$2.3M+9.6%#220 of 1,451
3Minnehaha County, SD70374.4$2.5M+7.6%#245 of 1,451
4Meade County, SD5886.7$2M+2.7%#530 of 1,451
5Lawrence County, SD4975.8$2M+14.0%#759 of 1,451
6Yankton County, SD4766.2$1.9M+1.5%#812 of 1,451
7Codington County, SD4786.4$1.8M+4.3%#813 of 1,451
8Pennington County, SD41326.9$1.7M+6.6%#966 of 1,451
9Hughes County, SD3256.9$1.6M−0.9%#1,178 of 1,451
10Brown County, SD28116.8$1.6M−1.7%#1,252 of 1,451
Clay County, SDNot scored47.2$1.5M+0.2%

Other business types in Clay County

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

Questions

How many car washes and detailers are in Clay County, SD?

Map listings as of September 2026 show 4 car washes and detailers in Clay County. The listings count car washes and detailers. No official count is published for car washes in Clay County: counts under 3 are left out.

How much do households in Clay County, SD spend on vehicle maintenance and repairs?

About $5.9M a year, or $1,066 per household. That is 11% above the U.S. average (an index of 111, where 100 is the U.S. average). Spread across the 4 car washes and detailers on map listings, it comes to $1.5M per location. That spending covers all vehicle maintenance and repairs, which car washes and detailers share with other businesses in the trade. It is estimated from the incomes of the 5,547 households in Clay County and national spending patterns by income.

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

Clay County has 7.2 car washes and detailers per 10,000 households, 89% above the U.S. rate of 3.8. Spending per location is $1.5M, 41% below the U.S. figure of $2.5M. At the U.S. ratio of car washes and detailers to household spending, Clay County would have about 2, against 4 on map listings.

How fast is Clay County, SD growing?

Population estimates put Clay County at 15,031 people in 2025, up 0.2% since 2020, slower than the U.S. (+3.1%). It has 5,547 households. The median household income in Clay County is $56,850 a year, 30% below the U.S. median of $80,734. That rose 12.1% 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. Clay County has no market score for car washes and detailers: the score needs at least 5 on map listings, and it has 4.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Clay 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 Clay 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.