Groundwork

Pets · County · Missouri

Veterinarians in St. Louis County, MO

How St. Louis 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 61 out of 100: Upper middle

Ranked #470 of 1,485 scored counties
#9 of 47 scored counties in Missouri

Listings
143
38 chain locations (27%)
Official establishments
104
+3.0% since 2019
Household spending a year
$389.2M
On pets · $940 a household
Spending per listing
$2.7M
In line with the U.S.
Listings per 10k households
3.5
6% above the U.S.
Population, 2025
990,911
−1.2% since 2020

See the veterinarians around any address in St. Louis 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. Louis County. Signed out, you see a blurred preview; on an account, each report is one action.

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Survey 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 143 veterinarians in St. Louis County. Chain locations make up 27% of them, against 19% across the U.S. That comes to 3.5 for every 10,000 households, 6% above the U.S. rate of 3.3.

Household spending on pets in St. Louis County comes to about $389.2M a year: $940 per household, 3% above the U.S. average. That is about $2.7M of household spending for each clinic on map listings, in line with the U.S. figure of $2.7M. That spending covers all pets, which veterinarians share with other businesses in the trade.

Official counts show 104 businesses with payroll classed as veterinary services in St. Louis County in 2023, up 3.0% from 2019. That is one for every 3,979 households, against one for every 3,767 across the U.S. Since fiscal 2022, 5 SBA-backed loans worth $11M have gone to businesses classed as veterinary services in St. Louis County.

Population estimates show St. Louis County declined 1.2% from 2020 to 2025, against +3.1% for the U.S. For veterinarians, St. Louis County has a Groundwork market score of 61 (upper middle): #470 of 1,485 scored counties and #9 of 47 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 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.

Veterinarians in St. Louis County, MO compared with Missouri and the U.S.
MeasureSt. Louis CountyMissouriU.S.
Listings per 10k households3.53.83.3
Spending per listing$2.7M$2.2M$2.7M
Households per official establishment3,9793,6043,767
Official establishment growth, 2019–2023+3.0%+1.0%+6.8%
Population growth, 2020–2025−1.2%+1.9%+3.1%
Spending per household on pets$940$825$909
Median household income$82,936$70,702$80,734
Groundwork market score6132

Official counts and lending

Businesses

Official establishments, 2019 to 2023
101 → 104+3.0% over the period
Employees, 2023
3,077
Annual payroll, 2023
$165.2M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
14338 chain locations
Listings at the U.S. rate for this spending
143The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
5
Amount
$11M

SBA-backed loans to businesses classed as veterinary 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 veterinarians 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.

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Veterinarians across Missouri

Every Missouri market ranked →

The highest-scoring counties in Missouri for veterinarians, numbered among those based in Missouri, with St. Louis County marked.

Top counties in Missouri

Counties in Missouri ranked for veterinarians by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Jackson County, MO72742.4$3.4M+2.1%#232 of 1,485
2Platte County, MO72173.9$2.6M+6.7%#244 of 1,485
3Jefferson County, MO71262.9$3M+2.7%#261 of 1,485
4Lincoln County, MO7093.9$2.2M+11.4%#292 of 1,485
5St. Charles County, MO68714.4$2.3M+4.9%#328 of 1,485
6Johnson County, MO6462.8$2.7M+4.9%#403 of 1,485
7St. Louis city, MO63231.6$4.7M−7.4%#418 of 1,485
8Webster County, MO6353.6$2.2M+10.4%#441 of 1,485
9St. Louis County, MO611433.5$2.7M−1.2%#470 of 1,485
10Camden County, MO6073.9$2.1M+2.9%#503 of 1,485

Other business types in St. Louis County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many veterinarians are in St. Louis County, MO?

There are 143 veterinarians on map listings in St. Louis County as of September 2026. 38 of them (27%) are chain locations. The listings count veterinary clinics and animal hospitals. Official counts show 104 businesses with payroll classed as veterinary services in 2023, up 3.0% from 2019.

How much do households in St. Louis County, MO spend on pets?

About $389.2M a year, or $940 per household. That is 3% above the U.S. average (an index of 103, where 100 is the U.S. average). Spread across the 143 veterinarians on map listings, it comes to $2.7M per clinic. The spending figure covers all pets, not only veterinarians. 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 veterinarians?

St. Louis County has 3.5 veterinarians per 10,000 households, 6% above the U.S. rate of 3.3. Spending per clinic is $2.7M, in line with the U.S. figure of $2.7M. The count on map listings matches the U.S. ratio of veterinarians to household spending. There is one business with payroll in the industry for every 3,979 households, against one for every 3,767 across the U.S. The official count rose 3.0% from 2019 to 2023, against +6.8% 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 61 for veterinarians (upper middle), #470 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. Louis 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. 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.