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Pest control companies in Williamson County, IL
The pest control companies in Williamson County, IL, the household spending behind them and how the market ranks against other counties.
Groundwork market score
Not scored
The score needs at least 5 listings; this market has 2.
- Listings
- 2
- 1 chain location (50%)
- Official establishments
- 3
- Businesses with payroll, 2023
- Household spending a year
- $33.6M
- On lawn care, cleaning and other household services · $1,158 a household
- Spending per listing
- $16.8M
- Too few listings to compare
- Listings per 10k households
- 0.7
- Too few listings to compare
- Population, 2025
- 67,225
- +0.2% since 2020
See the pest control companies around any address in Williamson County
The site report maps the pest control 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 Williamson 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
Household spending on lawn care, cleaning and other household services in Williamson County comes to about $33.6M a year: $1,158 per household, 18% below the U.S. average. That works out to $16.8M per company. The spending figure covers all lawn care, cleaning and other household services, not only pest control companies.
Williamson County has 2 pest control companies on map listings as of September 2026. That is 0.7 per 10,000 households.
Official counts show 3 businesses with payroll classed as exterminating and pest control services in Williamson County in 2023. That is one for every 9,661 households, against one for every 7,814 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $399K has gone to businesses classed as exterminating and pest control services in Williamson County.
Population estimates show Williamson County grew 0.2% from 2020 to 2025, slower than the U.S. (+3.1%). With 2 pest control companies on map listings, Williamson County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.
How Williamson County compares
The same measures for Illinois and the whole U.S. Spending per listing divides a year of household spending on all lawn care, cleaning and other household services by the pest control companies counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.
| Measure | Williamson County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 0.7 | 1.0 | 1.4 |
| Spending per listing | $16.8M | $13.8M | $10.2M |
| Households per official establishment | 9,661 | 12,751 | 7,814 |
| Official establishment growth, 2019–2023 | n/a | +5.9% | +10.5% |
| Population growth, 2020–2025 | +0.2% | −0.6% | +3.1% |
| Spending per household on lawn care, cleaning and other household services | $1,158 | $1,322 | $1,414 |
| Median household income | $65,604 | $83,390 | $80,734 |
| Groundwork market score | Not scored | 58 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 5 → 3
- Employees, 2023
- 37
- Annual payroll, 2023
- $1.9M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 21 chain location
- Listings at the U.S. rate for this spending
- 3The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $399K
SBA-backed loans to businesses classed as exterminating and pest control services in Williamson 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 Williamson County
- Population, 2025 estimate
- 67,225+0.2% since 2020
- Households
- 28,983
- Median age
- 42.8
- Homes lived in by their owners
- 71%
- Vehicles per household
- 1.8
- Land area
- 420 sq. mi.
- People per square mile
- 159
- Median household income
- $65,604+29.3% vs. 2015–2019, before inflation
- Average household income
- $85,846
- Median home value
- $156,400
- Jobs located here
- 28,604
- Daytime population
- 68,042Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Williamson 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 pest control companies on map listings by name and distance.
Or open the report at the center of Williamson County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardPest control across Illinois
Every Illinois market ranked →The highest-scoring counties in Illinois for pest control companies, numbered among those based in Illinois, with Williamson County marked.
Top counties in Illinois
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Will County, IL | 72 | 27 | 1.1 | $13.3M | +2.2% | #73 of 699 |
| 2McHenry County, IL | 69 | 13 | 1.1 | $13.1M | +2.5% | #107 of 699 |
| 3Cook County, IL | 66 | 142 | 0.7 | $19.7M | −1.3% | #134 of 699 |
| 4Lake County, IL | 66 | 35 | 1.4 | $11.3M | +0.8% | #143 of 699 |
| 5Kane County, IL | 65 | 22 | 1.2 | $12.2M | +1.8% | #156 of 699 |
| 6DuPage County, IL | 61 | 53 | 1.5 | $10.1M | +0.3% | #210 of 699 |
| 7Champaign County, IL | 55 | 10 | 1.2 | $10M | +1.8% | #289 of 699 |
| 8Winnebago County, IL | 54 | 11 | 0.9 | $12.2M | −0.4% | #295 of 699 |
| 9Madison County, IL | 53 | 12 | 1.1 | $11.4M | −1.0% | #309 of 699 |
| 10McLean County, IL | 52 | 9 | 1.3 | $9.9M | +0.1% | #324 of 699 |
| Williamson County, IL | Not scored | 2 | 0.7 | $16.8M | +0.2% |
Other business types in Williamson 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
Funeral services
Questions
How many pest control companies are in Williamson County, IL?
Map listings as of September 2026 show 2 pest control companies in Williamson County. The listings count pest control companies. Official counts show 3 businesses with payroll classed as exterminating and pest control services in 2023.
How much do households in Williamson County, IL spend on lawn care, cleaning and other household services?
About $33.6M a year, or $1,158 per household. That is 18% below the U.S. average (an index of 82, where 100 is the U.S. average). Spread across the 2 pest control companies on map listings, it comes to $16.8M per company. That spending covers all lawn care, cleaning and other household services, which pest control companies share with other businesses in the trade. It is estimated from the incomes of the 28,983 households in Williamson County and national spending patterns by income.
How does Williamson County, IL compare with the U.S. for pest control companies?
Williamson County has 2 pest control companies on map listings, too few for a steady comparison with the U.S. rate. At the U.S. ratio of pest control companies to household spending, Williamson County would have about 3, against 2 on map listings. There is one business with payroll in the industry for every 9,661 households, against one for every 7,814 across the U.S.
How fast is Williamson County, IL growing?
Population estimates put Williamson County at 67,225 people in 2025, up 0.2% since 2020, slower than the U.S. (+3.1%). It has 28,983 households. The median household income in Williamson County is $65,604 a year, 19% below the U.S. median of $80,734. That rose 29.3% 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. Williamson County has no market score for pest control companies: the score needs at least 5 on map listings, and it has 2.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Williamson County. It maps the pest control 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 pest control companies · All 56 business types in Williamson County
Screening a site or an acquisition in Williamson 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 Williamson 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.