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Pest control companies in St. Louis County, MO
How St. Louis County, MO compares with other counties and the U.S. for pest control companies: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 41 out of 100: Lower middle
Ranked #468 of 699 scored counties
#9 of 18 scored counties in Missouri
- Listings
- 65
- 15 chain locations (23%)
- Official establishments
- 58
- +20.8% since 2019
- Household spending a year
- $558.8M
- On lawn care, cleaning and other household services · $1,350 a household
- Spending per listing
- $8.6M
- 16% below the U.S.
- Listings per 10k households
- 1.6
- 14% above the U.S.
- Population, 2025
- 990,911
- −1.2% since 2020
See the pest control companies around any address in St. Louis 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 St. Louis 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. Louis County spend about $558.8M a year on lawn care, cleaning and other household services, or $1,350 per household, 4% below the U.S. average. Spread across 65 pest control companies, that is $8.6M per company, 16% below the U.S. figure of $10.2M. The spending figure covers all lawn care, cleaning and other household services, not only pest control companies.
There are 65 pest control companies on map listings in St. Louis County as of September 2026. 15 of them (23%) are chain locations, against 20% across the U.S. That is 1.6 per 10,000 households, 14% above the U.S. rate of 1.4.
The official count of businesses with payroll classed as exterminating and pest control services in St. Louis County was 58 in 2023, up 20.8% from 2019. That is one for every 7,135 households, against one for every 7,814 across the U.S.
Population estimates show St. Louis County declined 1.2% from 2020 to 2025, against +3.1% for the U.S. For pest control companies, St. Louis County has a Groundwork market score of 41 (lower middle): #468 of 699 scored counties and #9 of 18 scored counties in Missouri.
How St. Louis County compares
The same measures for Missouri 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 | St. Louis County | Missouri | U.S. |
|---|---|---|---|
| Listings per 10k households | 1.6 | 1.4 | 1.4 |
| Spending per listing | $8.6M | $8.4M | $10.2M |
| Households per official establishment | 7,135 | 8,649 | 7,814 |
| Official establishment growth, 2019–2023 | +20.8% | +5.5% | +10.5% |
| Population growth, 2020–2025 | −1.2% | +1.9% | +3.1% |
| Spending per household on lawn care, cleaning and other household services | $1,350 | $1,211 | $1,414 |
| Median household income | $82,936 | $70,702 | $80,734 |
| Groundwork market score | 41 | 27 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 48 → 58+20.8% over the period
- Employees, 2023
- 612
- Annual payroll, 2023
- $34.6M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 6515 chain locations
- Listings at the U.S. rate for this spending
- 55The 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 exterminating and pest control services in St. Louis 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. Louis County
- Population, 2025 estimate
- 990,911−1.2% since 2020
- Households
- 413,849
- Median age
- 41.2
- Homes lived in by their owners
- 69%
- Vehicles per household
- 1.7
- Land area
- 509 sq. mi.
- People per square mile
- 1,958
- Median household income
- $82,936+23.0% vs. 2015–2019, before inflation
- Average household income
- $123,036
- Median home value
- $276,800
- Jobs located here
- 655,776
- Daytime population
- 1,175,839Residents who don’t work, plus everyone whose job is here
Looking at a specific site in St. Louis 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 St. Louis 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 Missouri
Every Missouri market ranked →The highest-scoring counties in Missouri for pest control companies, numbered among those based in Missouri, with St. Louis County marked.
Top counties in Missouri
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1St. Charles County, MO | 60 | 25 | 1.5 | $9.3M | +4.9% | #223 of 699 |
| 2St. Louis city, MO | 59 | 6 | 0.4 | $26.9M | −7.4% | #229 of 699 |
| 3Clay County, MO | 58 | 14 | 1.4 | $9.5M | +4.3% | #250 of 699 |
| 4Jackson County, MO | 57 | 33 | 1.1 | $11.1M | +2.1% | #263 of 699 |
| 5Platte County, MO | 54 | 10 | 2.3 | $6.2M | +6.7% | #305 of 699 |
| 6Jefferson County, MO | 42 | 15 | 1.7 | $7.4M | +2.7% | #458 of 699 |
| 7Jasper County, MO | 42 | 8 | 1.6 | $6.8M | +3.7% | #460 of 699 |
| 8Boone County, MO | 42 | 15 | 2.0 | $6.3M | +4.2% | #462 of 699 |
| 9St. Louis County, MO | 41 | 65 | 1.6 | $8.6M | −1.2% | #468 of 699 |
| 10Buchanan County, MO | 38 | 5 | 1.5 | $7.5M | −1.1% | #513 of 699 |
Other business types in St. Louis 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 St. Louis County, MO?
As of September 2026, map listings count 65 pest control companies in St. Louis County. 15 of them (23%) are chain locations. The listings count pest control companies. Official counts show 58 businesses with payroll classed as exterminating and pest control services in 2023, up 20.8% from 2019.
How much do households in St. Louis County, MO spend on lawn care, cleaning and other household services?
About $558.8M a year, or $1,350 per household. That is 4% below the U.S. average (an index of 96, where 100 is the U.S. average). Spread across the 65 pest control companies on map listings, it comes to $8.6M 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 413,849 households in St. Louis County and national spending patterns by income.
How does St. Louis County, MO compare with the U.S. for pest control companies?
St. Louis County has 1.6 pest control companies per 10,000 households, 14% above the U.S. rate of 1.4. Spending per company is $8.6M, 16% below the U.S. figure of $10.2M. At the U.S. ratio of pest control companies to household spending, St. Louis County would have about 55, against 65 on map listings. There is one business with payroll in the industry for every 7,135 households, against one for every 7,814 across the U.S. The official count rose 20.8% from 2019 to 2023, against +10.5% for the U.S.
How fast is St. Louis County, MO growing?
Population estimates put St. Louis County at 990,911 people in 2025, down 1.2% since 2020, against +3.1% for the U.S. It has 413,849 households. The median household income in St. Louis County is $82,936 a year, 3% above the U.S. median of $80,734. That rose 23.0% 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. Louis County scores 41 for pest control companies (lower middle), #468 of 699 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in St. Louis 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 St. Louis County
Screening a site or an acquisition in St. Louis 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. Louis 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.