Pets · County · Missouri
Veterinarians in St. Charles County, MO
How St. Charles County, MO compares with other counties and the U.S. for veterinarians: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 68 out of 100: Upper middle
Ranked #328 of 1,485 scored counties
#5 of 47 scored counties in Missouri
- Listings
- 71
- 10 chain locations (14%)
- Official establishments
- 43
- +7.5% since 2019
- Household spending a year
- $166.8M
- On pets · $1,034 a household
- Spending per listing
- $2.3M
- 14% below the U.S.
- Listings per 10k households
- 4.4
- 33% above the U.S.
- Population, 2025
- 426,499
- +4.9% since 2020
See the veterinarians around any address in St. Charles County
The site report maps the veterinarians 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
As of September 2026, map listings count 71 veterinarians in St. Charles County. 10 of them (14%) are chain locations, against 19% across the U.S. That is 4.4 per 10,000 households, 33% above the U.S. rate of 3.3.
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 $2.3M per clinic, 14% below the U.S. figure of $2.7M. That spending covers all pets, which veterinarians share with other businesses in the trade.
In 2023, official counts showed 43 businesses with payroll in St. Charles County classed as veterinary services, up 7.5% from 2019. That is one for every 3,751 households, against one for every 3,767 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $638K has gone to businesses classed as veterinary services in St. Charles County.
Population estimates put the population change in St. Charles County from 2020 to 2025 at +4.9%, faster than the U.S. (+3.1%). For veterinarians, St. Charles County has a Groundwork market score of 68 (upper middle): #328 of 1,485 scored counties and #5 of 47 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 veterinarians 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 | 4.4 | 3.8 | 3.3 |
| Spending per listing | $2.3M | $2.2M | $2.7M |
| Households per official establishment | 3,751 | 3,604 | 3,767 |
| Official establishment growth, 2019–2023 | +7.5% | +1.0% | +6.8% |
| 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 | 68 | 32 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 40 → 43+7.5% over the period
- Employees, 2023
- 669
- Annual payroll, 2023
- $33.3M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 7110 chain locations
- Listings at the U.S. rate for this spending
- 61The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $638K
SBA-backed loans to businesses classed as veterinary services 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 veterinarians 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 cardVeterinarians across Missouri
Every Missouri market ranked →The highest-scoring counties in Missouri for veterinarians, 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 |
|---|---|---|---|---|---|---|
| 1Jackson County, MO | 72 | 74 | 2.4 | $3.4M | +2.1% | #232 of 1,485 |
| 2Platte County, MO | 72 | 17 | 3.9 | $2.6M | +6.7% | #244 of 1,485 |
| 3Jefferson County, MO | 71 | 26 | 2.9 | $3M | +2.7% | #261 of 1,485 |
| 4Lincoln County, MO | 70 | 9 | 3.9 | $2.2M | +11.4% | #292 of 1,485 |
| 5St. Charles County, MO | 68 | 71 | 4.4 | $2.3M | +4.9% | #328 of 1,485 |
| 6Johnson County, MO | 64 | 6 | 2.8 | $2.7M | +4.9% | #403 of 1,485 |
| 7St. Louis city, MO | 63 | 23 | 1.6 | $4.7M | −7.4% | #418 of 1,485 |
| 8Webster County, MO | 63 | 5 | 3.6 | $2.2M | +10.4% | #441 of 1,485 |
| 9St. Louis County, MO | 61 | 143 | 3.5 | $2.7M | −1.2% | #470 of 1,485 |
| 10Camden County, MO | 60 | 7 | 3.9 | $2.1M | +2.9% | #503 of 1,485 |
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 veterinarians are in St. Charles County, MO?
St. Charles County has 71 veterinarians on map listings as of September 2026. 10 of them (14%) are chain locations. The listings count veterinary clinics and animal hospitals. Official counts show 43 businesses with payroll classed as veterinary services in 2023, up 7.5% from 2019.
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 71 veterinarians on map listings, it comes to $2.3M per clinic. The spending figure covers all pets, not only veterinarians. 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 veterinarians?
St. Charles County has 4.4 veterinarians per 10,000 households, 33% above the U.S. rate of 3.3. Spending per clinic is $2.3M, 14% below the U.S. figure of $2.7M. At the national ratio of veterinarians to household spending, St. Charles County would have about 61, against 71 on map listings. There is one business with payroll in the industry for every 3,751 households, against one for every 3,767 across the U.S. The official count rose 7.5% from 2019 to 2023, against +6.8% 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 68 for veterinarians (upper middle), #328 of 1,485 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 veterinarians 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 veterinarians · 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.