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Pest control companies in St. Mary’s County, MD
The pest control companies in St. Mary’s County, MD, 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 4.
- Listings
- 4
- 0 chain locations (0%)
- Official establishments
- 5
- Businesses with payroll, 2023
- Household spending a year
- $78.9M
- On lawn care, cleaning and other household services · $1,860 a household
- Spending per listing
- $19.7M
- 93% above the U.S.
- Listings per 10k households
- 0.9
- 36% below the U.S.
- Population, 2025
- 116,692
- +2.4% since 2020
See the pest control companies around any address in St. Mary’s 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. Mary’s 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
As of September 2026, map listings count 4 pest control companies in St. Mary’s County. That comes to 0.9 for every 10,000 households, 36% below the U.S. rate of 1.4.
At $1,860 per household (32% above the U.S. average), households in St. Mary’s County spend about $78.9M a year on lawn care, cleaning and other household services. That works out to $19.7M per company, 93% above the U.S. figure of $10.2M. That spending covers all lawn care, cleaning and other household services, which pest control companies share with other businesses in the trade.
Official counts show 5 businesses with payroll classed as exterminating and pest control services in St. Mary’s County in 2023. That is one for every 8,487 households, against one for every 7,814 across the U.S.
Between 2020 and 2025, the population of St. Mary’s County grew 2.4%, slower than the U.S. (+3.1%). With 4 pest control companies on map listings, St. Mary’s County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.
How St. Mary’s County compares
The same measures for Maryland 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. Mary’s County | Maryland | U.S. |
|---|---|---|---|
| Listings per 10k households | 0.9 | 1.3 | 1.4 |
| Spending per listing | $19.7M | $13.8M | $10.2M |
| Households per official establishment | 8,487 | 10,596 | 7,814 |
| Official establishment growth, 2019–2023 | n/a | +3.7% | +10.5% |
| Population growth, 2020–2025 | +2.4% | +1.4% | +3.1% |
| Spending per household on lawn care, cleaning and other household services | $1,860 | $1,757 | $1,414 |
| Median household income | $119,446 | $103,678 | $80,734 |
| Groundwork market score | Not scored | 70 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 6 → 5
- Employees, 2023
- 14
- Annual payroll, 2023
- $557K
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 40 chain locations
- Listings at the U.S. rate for this spending
- 8The 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. Mary’s 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. Mary’s County
- Population, 2025 estimate
- 116,692+2.4% since 2020
- Households
- 42,436
- Median age
- 38.0
- Homes lived in by their owners
- 73%
- Vehicles per household
- 2.1
- Land area
- 359 sq. mi.
- People per square mile
- 321
- Median household income
- $119,446+33.0% vs. 2015–2019, before inflation
- Average household income
- $142,976
- Median home value
- $407,600
- Jobs located here
- 35,732
- Daytime population
- 104,060Residents who don’t work, plus everyone whose job is here
Looking at a specific site in St. Mary’s 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. Mary’s 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 Maryland
Every Maryland market ranked →The highest-scoring counties in Maryland for pest control companies, numbered among those based in Maryland, with St. Mary’s County marked.
Top counties in Maryland
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Montgomery County, MD | 83 | 37 | 1.0 | $21M | +1.3% | #10 of 699 |
| 2Howard County, MD | 82 | 12 | 1.0 | $21.2M | +1.9% | #13 of 699 |
| 3Harford County, MD | 80 | 9 | 0.9 | $20.2M | +2.0% | #23 of 699 |
| 4Charles County, MD | 80 | 10 | 1.6 | $11.4M | +5.9% | #25 of 699 |
| 5Calvert County, MD | 75 | 5 | 1.5 | $13.2M | +1.7% | #51 of 699 |
| 6Baltimore city, MD | 71 | 10 | 0.4 | $35.7M | −2.3% | #79 of 699 |
| 7Frederick County, MD | 71 | 25 | 2.4 | $8M | +11.0% | #94 of 699 |
| 8Baltimore County, MD | 68 | 40 | 1.2 | $13.8M | −0.7% | #111 of 699 |
| 9Prince George’s County, MD | 68 | 49 | 1.4 | $12.2M | +0.5% | #114 of 699 |
| 10Carroll County, MD | 65 | 10 | 1.6 | $12M | +2.2% | #157 of 699 |
| St. Mary’s County, MD | Not scored | 4 | 0.9 | $19.7M | +2.4% |
Other business types in St. Mary’s 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. Mary’s County, MD?
St. Mary’s County has 4 pest control companies on map listings as of September 2026. The listings count pest control companies. Official counts show 5 businesses with payroll classed as exterminating and pest control services in 2023.
How much do households in St. Mary’s County, MD spend on lawn care, cleaning and other household services?
About $78.9M a year, or $1,860 per household. That is 32% above the U.S. average (an index of 132, where 100 is the U.S. average). Spread across the 4 pest control companies on map listings, it comes to $19.7M per company. The spending figure covers all lawn care, cleaning and other household services, not only pest control companies. It is estimated from the incomes of the 42,436 households in St. Mary’s County and national spending patterns by income.
How does St. Mary’s County, MD compare with the U.S. for pest control companies?
St. Mary’s County has 0.9 pest control companies per 10,000 households, 36% below the U.S. rate of 1.4. Spending per company is $19.7M, 93% above the U.S. figure of $10.2M. At the national ratio of pest control companies to household spending, St. Mary’s County would have about 8, against 4 on map listings. There is one business with payroll in the industry for every 8,487 households, against one for every 7,814 across the U.S.
How fast is St. Mary’s County, MD growing?
Population estimates put St. Mary’s County at 116,692 people in 2025, up 2.4% since 2020, slower than the U.S. (+3.1%). It has 42,436 households. Median household income in St. Mary’s County is $119,446, 48% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 33.0%, 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. Mary’s County has no market score for pest control companies: the score needs at least 5 on map listings, and it has 4.
How can I see the market around a specific site?
Run a Groundwork site report on an address in St. Mary’s 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. Mary’s County
Screening a site or an acquisition in St. Mary’s 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. Mary’s 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.