Groundwork

Beauty and personal care · County · Missouri

Spas and skin care studios in St. Charles County, MO

Competitor counts, household spending and official business counts for spas and skin care studios in St. Charles County, MO, set against other counties and the U.S.

Groundwork market score · out of 100

Score 62 out of 100: Upper middle

Ranked #454 of 1,769 scored counties
#13 of 50 scored counties in Missouri

Listings
156
21 chain locations (13%)
Official establishments
48
+14.3% since 2019
Household spending a year
$189.1M
On personal care products and services · $1,172 a household
Spending per listing
$1.2M
38% above the U.S.
Listings per 10k households
9.7
16% below the U.S.
Population, 2025
426,499
+4.9% since 2020

See the spas and skin care studios around any address in St. Charles County

The site report maps the spas and skin care studios 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 St. Charles 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

Households in St. Charles County spend about $189.1M a year on personal care products and services, or $1,172 per household, 17% above the U.S. average. That is about $1.2M of household spending for each studio on map listings, 38% above the U.S. figure of $876K. The spending figure covers all personal care products and services, not only spas and skin care studios.

There are 156 spas and skin care studios on map listings in St. Charles County as of September 2026. Of those, 21 are chain locations, or 13%, against 10% across the U.S. Per 10,000 households, that is 9.7, 16% below the U.S. rate of 11.5.

Official counts show 48 businesses with payroll classed as other personal care services in St. Charles County in 2023, up 14.3% from 2019. That is one for every 3,361 households, against one for every 4,055 across the U.S. Since fiscal 2022, 4 SBA-backed loans worth $988K have gone to businesses classed as other personal care services in St. Charles County.

Population estimates show St. Charles County grew 4.9% from 2020 to 2025, faster than the U.S. (+3.1%). For spas and skin care studios, St. Charles County has a Groundwork market score of 62 (upper middle): #454 of 1,769 scored counties and #13 of 50 scored counties in Missouri.

How St. Charles County compares

The same measures for Missouri and the whole U.S. Spending per listing divides a year of household spending on all personal care products and services by the spas and skin care studios counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Spas and skin care in St. Charles County, MO compared with Missouri and the U.S.
MeasureSt. Charles CountyMissouriU.S.
Listings per 10k households9.79.411.5
Spending per listing$1.2M$1M$876K
Households per official establishment3,3614,9874,055
Official establishment growth, 2019–2023+14.3%+20.3%+29.8%
Population growth, 2020–2025+4.9%+1.9%+3.1%
Spending per household on personal care products and services$1,172$970$1,005
Median household income$104,692$70,702$80,734
Groundwork market score6251

Official counts and lending

Businesses

Official establishments, 2019 to 2023
42 → 48+14.3% over the period
Employees, 2023
329
Annual payroll, 2023
$9.2M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
15621 chain locations
Listings at the U.S. rate for this spending
216The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
4
Amount
$988K

SBA-backed loans to businesses classed as other personal care services in St. Charles 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 St. Charles County

Population, 2025 estimate
426,499+4.9% since 2020
Households
161,311
Median age
40.8
Homes lived in by their owners
81%
Vehicles per household
2.0
Land area
560 sq. mi.
People per square mile
740
Median household income
$104,692+23.2% vs. 2015–2019, before inflation
Average household income
$129,305
Median home value
$320,800
Jobs located here
167,185
Daytime population
365,581Residents who don’t work, plus everyone whose job is here

Looking at a specific site in St. Charles 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 spas and skin care studios on map listings by name and distance.

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

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Spas and skin care across Missouri

Every Missouri market ranked →

The highest-scoring counties in Missouri for spas and skin care studios, numbered among those based in Missouri, with St. Charles County marked.

Top counties in Missouri

Counties in Missouri ranked for spas and skin care studios by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Lincoln County, MO90125.3$2M+11.4%#11 of 1,769
2Jefferson County, MO78606.8$1.5M+2.7%#92 of 1,769
3Newton County, MO74135.9$1.6M+6.1%#141 of 1,769
4Cass County, MO74327.4$1.4M+7.1%#144 of 1,769
5Lawrence County, MO7264.1$2.1M+3.7%#168 of 1,769
6Callaway County, MO68116.7$1.4M+3.2%#274 of 1,769
7Cole County, MO65278.7$1.1M+1.7%#376 of 1,769
8Franklin County, MO65409.3$1M+3.1%#378 of 1,769
9Christian County, MO64339.4$1.1M+8.3%#399 of 1,769
10Platte County, MO644911.2$1M+6.7%#402 of 1,769
13St. Charles County, MO621569.7$1.2M+4.9%#454 of 1,769

Other business types in St. Charles County

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

Questions

How many spas and skin care studios are in St. Charles County, MO?

As of September 2026, map listings count 156 spas and skin care studios in St. Charles County. 21 of them (13%) are chain locations. The listings count spas, skin care, waxing, lash and tanning studios. Official counts show 48 businesses with payroll classed as other personal care services in 2023, up 14.3% from 2019.

How much do households in St. Charles County, MO spend on personal care products and services?

About $189.1M a year, or $1,172 per household. That is 17% above the U.S. average (an index of 117, where 100 is the U.S. average). Spread across the 156 spas and skin care studios on map listings, it comes to $1.2M per studio. That spending covers all personal care products and services, which spas and skin care studios share with other businesses in the trade. It is estimated from the incomes of the 161,311 households in St. Charles County and national spending patterns by income.

How does St. Charles County, MO compare with the U.S. for spas and skin care studios?

St. Charles County has 9.7 spas and skin care studios per 10,000 households, 16% below the U.S. rate of 11.5. Spending per studio is $1.2M, 38% above the U.S. figure of $876K. At the U.S. ratio of spas and skin care studios to household spending, St. Charles County would have about 216, against 156 on map listings. There is one business with payroll in the industry for every 3,361 households, against one for every 4,055 across the U.S. The official count rose 14.3% from 2019 to 2023, against +29.8% for the U.S.

How fast is St. Charles County, MO growing?

Population estimates put St. Charles County at 426,499 people in 2025, up 4.9% since 2020, faster than the U.S. (+3.1%). It has 161,311 households. The median household income in St. Charles County is $104,692 a year, 30% above the U.S. median of $80,734. That rose 23.2% 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. St. Charles County scores 62 for spas and skin care studios (upper middle), #454 of 1,769 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in St. Charles County. It maps the spas and skin care studios 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 spas and skin care studios · All 56 business types in St. Charles County

Screening a site or an acquisition in St. Charles 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 St. Charles 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.