Groundwork

Beauty and personal care · County · Illinois

Nail salons in St. Clair County, IL

The nail salons in St. Clair County, IL, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 54 out of 100: Upper middle

Ranked #564 of 1,328 scored counties
#19 of 36 scored counties in Illinois

Listings
55
20 chain locations (36%)
Official establishments
12
Businesses with payroll, 2023
Household spending a year
$99.7M
On personal care products and services · $988 a household
Spending per listing
$1.8M
8% above the U.S.
Listings per 10k households
5.5
8% below the U.S.
Population, 2025
250,708
−2.5% since 2020

See the nail salons around any address in St. Clair County

The site report maps the nail salons 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. Clair 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. Clair County spend about $99.7M a year on personal care products and services, or $988 per household, 2% below the U.S. average. Spread across 55 nail salons, that is $1.8M per salon, 8% above the U.S. figure of $1.7M. The spending figure covers all personal care products and services, not only nail salons.

St. Clair County has 55 nail salons on map listings as of September 2026. 20 of them (36%) are chain locations, against 27% across the U.S. Per 10,000 households, that is 5.5, 8% below the U.S. rate of 6.0.

Official counts show 12 businesses with payroll classed as nail salons in St. Clair County in 2023. That is one for every 8,404 households, against one for every 3,754 across the U.S. Official counts list 168 one-person businesses without payroll.

Population estimates show St. Clair County declined 2.5% from 2020 to 2025, against +3.1% for the U.S. St. Clair County scores 54 (upper middle) on the Groundwork market score for nail salons, ranking #564 of 1,328 scored counties and #19 of 36 scored counties in Illinois.

How St. Clair County compares

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

Nail salons in St. Clair County, IL compared with Illinois and the U.S.
MeasureSt. Clair CountyIllinoisU.S.
Listings per 10k households5.55.76.0
Spending per listing$1.8M$1.9M$1.7M
Households per official establishment8,4045,2033,754
Official establishment growth, 2019–2023n/a+24.6%+23.2%
Population growth, 2020–2025−2.5%−0.6%+3.1%
Spending per household on personal care products and services$988$1,063$1,005
Median household income$73,854$83,390$80,734
Groundwork market score5443

Official counts and lending

Businesses

Official establishments, 2019 to 2023
10 → 12
Employees, 2023
50
Annual payroll, 2023
$1.2M
One-person businesses, 2023
168Businesses with no payroll
Map listings, September 2026
5520 chain locations
Listings at the U.S. rate for this spending
60The 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 nail salons in St. Clair 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. Clair County

Population, 2025 estimate
250,708−2.5% since 2020
Households
100,846
Median age
40.3
Homes lived in by their owners
68%
Vehicles per household
1.8
Land area
658 sq. mi.
People per square mile
386
Median household income
$73,854+33.8% vs. 2015–2019, before inflation
Average household income
$96,153
Median home value
$180,300
Jobs located here
90,959
Daytime population
229,240Residents who don’t work, plus everyone whose job is here

Looking at a specific site in St. Clair 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 nail salons on map listings by name and distance.

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

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Nail salons across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for nail salons, numbered among those based in Illinois, with St. Clair County marked.

Top counties in Illinois

Counties in Illinois ranked for nail salons by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Ogle County, IL6962.9$3.5M−0.7%#162 of 1,328
2Will County, IL691275.2$2.3M+2.2%#176 of 1,328
3LaSalle County, IL67184.0$2.4M−1.5%#211 of 1,328
4DeKalb County, IL67164.0$2.4M+1.5%#212 of 1,328
5Kendall County, IL67337.3$1.7M+9.9%#227 of 1,328
6Henry County, IL6363.0$3.3M−2.2%#314 of 1,328
7Madison County, IL63484.4$2.3M−1.0%#326 of 1,328
8McLean County, IL63334.7$2.2M+0.1%#329 of 1,328
9Champaign County, IL62384.4$2.1M+1.8%#346 of 1,328
10Tazewell County, IL62264.8$2.1M−0.9%#347 of 1,328
19St. Clair County, IL54555.5$1.8M−2.5%#564 of 1,328

Other business types in St. Clair County

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

Questions

How many nail salons are in St. Clair County, IL?

Map listings as of September 2026 show 55 nail salons in St. Clair County. 20 of them (36%) are chain locations. The listings count nail salons. Official counts show 12 businesses with payroll classed as nail salons in 2023. Official counts also show 168 one-person businesses without payroll.

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

About $99.7M a year, or $988 per household. That is 2% below the U.S. average (an index of 98, where 100 is the U.S. average). Spread across the 55 nail salons on map listings, it comes to $1.8M per salon. That spending covers all personal care products and services, which nail salons share with other businesses in the trade. It is estimated from the incomes of the 100,846 households in St. Clair County and national spending patterns by income.

How does St. Clair County, IL compare with the U.S. for nail salons?

St. Clair County has 5.5 nail salons per 10,000 households, 8% below the U.S. rate of 6.0. Spending per salon is $1.8M, 8% above the U.S. figure of $1.7M. At the U.S. ratio of nail salons to household spending, St. Clair County would have about 60, against 55 on map listings. There is one business with payroll in the industry for every 8,404 households, against one for every 3,754 across the U.S.

How fast is St. Clair County, IL growing?

Population estimates put St. Clair County at 250,708 people in 2025, down 2.5% since 2020, against +3.1% for the U.S. It has 100,846 households. Median household income in St. Clair County is $73,854, 9% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 33.8%, 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. Clair County scores 54 for nail salons (upper middle), #564 of 1,328 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in St. Clair County. It maps the nail salons 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 nail salons · All 56 business types in St. Clair County

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