Pets · County · Missouri
Pet businesses in St. Charles County, MO
The pet businesses in St. Charles County, MO, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 64 out of 100: Upper middle
Ranked #511 of 2,200 scored counties
#7 of 76 scored counties in Missouri
- Listings
- 201
- 42 chain locations (21%)
- Official establishments
- 111
- +13.3% since 2019
- Household spending a year
- $166.8M
- On pets · $1,034 a household
- Spending per listing
- $830K
- 6% below the U.S.
- Listings per 10k households
- 12.5
- 20% above the U.S.
- Population, 2025
- 426,499
- +4.9% since 2020
See the pet businesses around any address in St. Charles County
The site report maps the pet businesses 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. Charles 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
Map listings as of September 2026 show 201 pet businesses in St. Charles County. 42 of them (21%) are chain locations, against 17% across the U.S. That comes to 12.5 for every 10,000 households, 20% above the U.S. rate of 10.4.
Households in St. Charles County spend about $166.8M a year on pets, or $1,034 per household, 14% above the U.S. average. That works out to $830K per business, 6% below the U.S. figure of $878K.
In 2023, official counts showed 111 businesses with payroll in St. Charles County classed as pet care, veterinarians and pet stores, up 13.3% from 2019. That is one for every 1,453 households, against one for every 1,852 across the U.S. Official counts also show 149 one-person businesses without payroll. Since fiscal 2022, 8 SBA-backed loans worth $4.2M have gone to businesses classed as pet care, veterinarians and pet stores in St. Charles County.
Between 2020 and 2025, the population of St. Charles County grew 4.9%, faster than the U.S. (+3.1%). For pet businesses, St. Charles County has a Groundwork market score of 64 (upper middle): #511 of 2,200 scored counties and #7 of 76 scored counties in Missouri. That puts it in the top quarter of counties.
How St. Charles County compares
The same measures for Missouri and the whole U.S. Spending per listing divides a year of household spending on all pets by the pet businesses 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. Charles County | Missouri | U.S. |
|---|---|---|---|
| Listings per 10k households | 12.5 | 11.3 | 10.4 |
| Spending per listing | $830K | $728K | $878K |
| Households per official establishment | 1,453 | 1,833 | 1,852 |
| Official establishment growth, 2019–2023 | +13.3% | +6.5% | +11.4% |
| Population growth, 2020–2025 | +4.9% | +1.9% | +3.1% |
| Spending per household on pets | $1,034 | $825 | $909 |
| Median household income | $104,692 | $70,702 | $80,734 |
| Groundwork market score | 64 | 36 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 98 → 111+13.3% over the period
- Employees, 2023
- 1,371
- Annual payroll, 2023
- $51.9M
- One-person businesses, 2023
- 149Businesses with no payroll
- Map listings, September 2026
- 20142 chain locations
- Listings at the U.S. rate for this spending
- 190The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 8
- Amount
- $4.2M
SBA-backed loans to businesses classed as pet care, veterinarians and pet stores in St. Charles 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. Charles County
- Population, 2025 estimate
- 426,499+4.9% since 2020
- Households
- 161,311
- Median age
- 40.8
- Homes lived in by their owners
- 81%
- Vehicles per household
- 2.0
- Land area
- 560 sq. mi.
- People per square mile
- 740
- Median household income
- $104,692+23.2% vs. 2015–2019, before inflation
- Average household income
- $129,305
- Median home value
- $320,800
- Jobs located here
- 167,185
- Daytime population
- 365,581Residents who don’t work, plus everyone whose job is here
Looking at a specific site in St. Charles 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 pet businesses on map listings by name and distance.
Or open the report at the center of St. Charles County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardPet businesses across Missouri
Every Missouri market ranked →The highest-scoring counties in Missouri for pet businesses, numbered among those based in Missouri, with St. Charles County marked.
Top counties in Missouri
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Lincoln County, MO | 73 | 24 | 10.5 | $832K | +11.4% | #203 of 2,200 |
| 2Warren County, MO | 73 | 16 | 11.6 | $758K | +9.2% | #207 of 2,200 |
| 3Jackson County, MO | 69 | 246 | 8.0 | $1M | +2.1% | #312 of 2,200 |
| 4Osage County, MO | 68 | 5 | 9.5 | $878K | +2.7% | #355 of 2,200 |
| 5Platte County, MO | 67 | 51 | 11.6 | $858K | +6.7% | #392 of 2,200 |
| 6Clay County, MO | 64 | 109 | 10.7 | $861K | +4.3% | #508 of 2,200 |
| 7St. Charles County, MO | 64 | 201 | 12.5 | $830K | +4.9% | #511 of 2,200 |
| 8Stone County, MO | 64 | 13 | 9.6 | $773K | +4.1% | #520 of 2,200 |
| 9St. Louis County, MO | 62 | 368 | 8.9 | $1.1M | −1.2% | #570 of 2,200 |
| 10Ste. Genevieve County, MO | 61 | 7 | 9.8 | $824K | +1.1% | #618 of 2,200 |
Other business types in St. Charles 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
Pets
- Pet businesses64
- Veterinarians68
- Pet grooming and boarding64
- Pet stores50
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many pet businesses are in St. Charles County, MO?
There are 201 pet businesses on map listings in St. Charles County as of September 2026. 42 of them (21%) are chain locations. The listings count vets, groomers, boarding and pet stores. Official counts show 111 businesses with payroll classed as pet care, veterinarians and pet stores in 2023, up 13.3% from 2019. Another 149 one-person businesses have no payroll, by official counts.
How much do households in St. Charles County, MO spend on pets?
About $166.8M a year, or $1,034 per household. That is 14% above the U.S. average (an index of 114, where 100 is the U.S. average). Spread across the 201 pet businesses on map listings, it comes to $830K per business. It is estimated from the incomes of the 161,311 households in St. Charles County and national spending patterns by income.
How does St. Charles County, MO compare with the U.S. for pet businesses?
St. Charles County has 12.5 pet businesses per 10,000 households, 20% above the U.S. rate of 10.4. Spending per business is $830K, 6% below the U.S. figure of $878K. At the national ratio of pet businesses to household spending, St. Charles County would have about 190, against 201 on map listings. There is one business with payroll in the industry for every 1,453 households, against one for every 1,852 across the U.S. The official count rose 13.3% from 2019 to 2023, against +11.4% for the U.S.
How fast is St. Charles County, MO growing?
Population estimates put St. Charles County at 426,499 people in 2025, up 4.9% since 2020, faster than the U.S. (+3.1%). It has 161,311 households. The median household income in St. Charles County is $104,692 a year, 30% above the U.S. median of $80,734. That rose 23.2% 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. Charles County scores 64 for pet businesses (upper middle), #511 of 2,200 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in St. Charles County. It maps the pet businesses 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 pet businesses · All 56 business types in St. Charles County
Screening a site or an acquisition in St. Charles 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. Charles 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.