Real estate · County · Illinois
Property management companies in St. Clair County, IL
How St. Clair County, IL compares with other counties and the U.S. for property management companies: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 36 out of 100: Lower middle
Ranked #681 of 910 scored counties
#18 of 24 scored counties in Illinois
- Listings
- 32
- 2 chain locations (6%)
- Official establishments
- 33
- −13.2% since 2019
- Household spending a year
- $1.4B
- On rent and homeowner costs · $14,016 a household
- Housing spending per listing (U.S. = 100)
- 80
- 20% below the U.S.
- Listings per 10k households
- 3.2
- 7% above the U.S.
- Population, 2025
- 250,708
- −2.5% since 2020
See the property management companies around any address in St. Clair County
The site report maps the property management companies 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.
Free10 actions over 3 days, no cardSurvey 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 $1.4B a year on rent and homeowner costs, or $14,016 per household, 16% below the U.S. average. Housing spending per company is 20% below the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money property management companies take in.
St. Clair County has 32 property management companies on map listings as of September 2026. 2 of them (6%) are chain locations, against 4% across the U.S. That is 3.2 per 10,000 households, 7% above the U.S. rate of 3.0.
In 2023, official counts showed 33 businesses with payroll in St. Clair County classed as residential and commercial property managers, down 13.2% from 2019. That is one for every 3,056 households, against one for every 1,638 across the U.S.
Between 2020 and 2025, the population of St. Clair County declined 2.5%, against +3.1% for the U.S. The Groundwork market score for property management companies in St. Clair County is 36 (lower middle), #681 of 910 scored counties and #18 of 24 scored counties in Illinois.
How St. Clair County compares
The same measures for Illinois and the whole U.S. Housing spending per listing divides all rent and homeowner costs by the listings counted: a measure of housing demand for each business, not money any of them take in, so it is shown against the U.S. (100) only. Households per establishment divides households by the official count.
| Measure | St. Clair County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 3.2 | 2.5 | 3.0 |
| Housing spending per listing (U.S. = 100) | 80 | 105 | 100 |
| Households per official establishment | 3,056 | 2,433 | 1,638 |
| Official establishment growth, 2019–2023 | −13.2% | −7.3% | +11.4% |
| Population growth, 2020–2025 | −2.5% | −0.6% | +3.1% |
| Spending per household on rent and homeowner costs | $14,016 | $14,866 | $16,661 |
| Median household income | $73,854 | $83,390 | $80,734 |
| Groundwork market score | 36 | 45 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 38 → 33−13.2% over the period
- Employees, 2023
- 198
- Annual payroll, 2023
- $10.4M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 322 chain locations
- Listings at the U.S. rate for this spending
- 25The 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 residential and commercial property managers 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 property management companies 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.
Free10 actions over 3 days, no cardProperty management across Illinois
Every Illinois market ranked →The highest-scoring counties in Illinois for property management companies, numbered among those based in Illinois, with St. Clair County marked.
Top counties in Illinois
| Market | Score | Listings | Per 10k households | Housing spending per listing (U.S. = 100) | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Kendall County, IL | 79 | 8 | 1.8 | 167 | +9.9% | #41 of 910 |
| 2McHenry County, IL | 75 | 19 | 1.6 | 180 | +2.5% | #83 of 910 |
| 3Will County, IL | 74 | 32 | 1.3 | 224 | +2.2% | #93 of 910 |
| 4Kane County, IL | 67 | 31 | 1.7 | 173 | +1.8% | #171 of 910 |
| 5Tazewell County, IL | 64 | 7 | 1.3 | 196 | −0.9% | #214 of 910 |
| 6Madison County, IL | 62 | 17 | 1.5 | 165 | −1.0% | #248 of 910 |
| 7Lake County, IL | 59 | 50 | 1.9 | 157 | +0.8% | #294 of 910 |
| 8Kankakee County, IL | 58 | 7 | 1.7 | 146 | −1.7% | #309 of 910 |
| 9Rock Island County, IL | 55 | 8 | 1.3 | 185 | −1.7% | #356 of 910 |
| 10Winnebago County, IL | 53 | 22 | 1.9 | 126 | −0.4% | #386 of 910 |
| 18St. Clair County, IL | 36 | 32 | 3.2 | 80 | −2.5% | #681 of 910 |
Other business types in St. Clair County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
- Real estate40
- Real estate agents and brokers49
- Property management36
- Mortgage brokers and lenders38
- Home inspectors
Funeral services
Questions
How many property management companies are in St. Clair County, IL?
Map listings as of September 2026 show 32 property management companies in St. Clair County. 2 of them (6%) are chain locations. The listings count property management companies. Official counts show 33 businesses with payroll classed as residential and commercial property managers in 2023, down 13.2% from 2019.
How much do households in St. Clair County, IL spend on rent and homeowner costs?
About $1.4B a year, or $14,016 per household. That is 16% below the U.S. average (an index of 84, where 100 is the U.S. average). For the 32 property management companies on map listings, housing spending per company is 20% below the U.S. figure. That figure is all rent and homeowner costs, used as a measure of housing demand; it is not money property management companies take in. 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 property management companies?
St. Clair County has 3.2 property management companies per 10,000 households, 7% above the U.S. rate of 3.0. The index of housing spending per company is 80, where 100 is the U.S. At the U.S. ratio of property management companies to household spending, St. Clair County would have about 25, against 32 on map listings. There is one business with payroll in the industry for every 3,056 households, against one for every 1,638 across the U.S. The official count fell 13.2% from 2019 to 2023, against +11.4% for 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 36 for property management companies (lower middle), #681 of 910 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 property management companies 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 property management companies · 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.