Groceries and convenience · County · Missouri
Convenience stores in St. Louis County, MO
How St. Louis County, MO compares with other counties and the U.S. for convenience stores: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 74 out of 100: Upper middle
Ranked #315 of 2,261 scored counties
#9 of 72 scored counties in Missouri
- Listings
- 259
- 198 chain locations (76%)
- Official establishments
- 57
- +14.0% since 2019
- Household spending a year
- $2.6B
- On groceries · $6,355 a household
- Spending per listing
- $10.2M
- 29% above the U.S.
- Listings per 10k households
- 6.3
- 21% below the U.S.
- Population, 2025
- 990,911
- −1.2% since 2020
See the convenience stores around any address in St. Louis County
The site report maps the convenience stores 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
Household spending on groceries in St. Louis County comes to about $2.6B a year: $6,355 per household, in line with the U.S. average. That works out to $10.2M per store, 29% above the U.S. figure of $7.9M. The spending figure covers all groceries, not only convenience stores.
St. Louis County has 259 convenience stores on map listings as of September 2026. Chain locations make up 76% of them, against 60% across the U.S. Per 10,000 households, that is 6.3, 21% below the U.S. rate of 8.0.
Official counts show 57 businesses with payroll classed as convenience stores in St. Louis County in 2023, up 14.0% from 2019. That is one for every 7,261 households, against one for every 3,493 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $186K has gone to businesses classed as convenience stores in St. Louis County.
Population estimates put the population change in St. Louis County from 2020 to 2025 at −1.2%, against +3.1% for the U.S. For convenience stores, St. Louis County has a Groundwork market score of 74 (upper middle): #315 of 2,261 scored counties and #9 of 72 scored counties in Missouri. That puts it in the top quarter of counties.
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 groceries by the convenience stores 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 | 6.3 | 8.2 | 8.0 |
| Spending per listing | $10.2M | $7.3M | $7.9M |
| Households per official establishment | 7,261 | 8,305 | 3,493 |
| Official establishment growth, 2019–2023 | +14.0% | +33.0% | +22.0% |
| Population growth, 2020–2025 | −1.2% | +1.9% | +3.1% |
| Spending per household on groceries | $6,355 | $5,947 | $6,319 |
| Median household income | $82,936 | $70,702 | $80,734 |
| Groundwork market score | 74 | 47 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 50 → 57+14.0% over the period
- Employees, 2023
- 214
- Annual payroll, 2023
- $4.8M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 259198 chain locations
- Listings at the U.S. rate for this spending
- 334The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $186K
SBA-backed loans to businesses classed as convenience stores 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 convenience stores 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 cardConvenience stores across Missouri
Every Missouri market ranked →The highest-scoring counties in Missouri for convenience stores, 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 |
|---|---|---|---|---|---|---|
| 1Platte County, MO | 92 | 21 | 4.8 | $13.8M | +6.7% | #20 of 2,261 |
| 2Christian County, MO | 90 | 14 | 4.0 | $15.5M | +8.3% | #33 of 2,261 |
| 3Clay County, MO | 87 | 63 | 6.2 | $10.3M | +4.3% | #71 of 2,261 |
| 4St. Charles County, MO | 87 | 126 | 7.8 | $8.6M | +4.9% | #74 of 2,261 |
| 5Cass County, MO | 86 | 27 | 6.2 | $10.1M | +7.1% | #84 of 2,261 |
| 6Lincoln County, MO | 85 | 16 | 7.0 | $8.8M | +11.4% | #92 of 2,261 |
| 7Warren County, MO | 79 | 11 | 7.9 | $7.8M | +9.2% | #202 of 2,261 |
| 8Jefferson County, MO | 75 | 77 | 8.7 | $7.1M | +2.7% | #307 of 2,261 |
| 9St. Louis County, MO | 74 | 259 | 6.3 | $10.2M | −1.2% | #315 of 2,261 |
| 10Boone County, MO | 74 | 56 | 7.3 | $8.2M | +4.2% | #323 of 2,261 |
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
- Grocery and convenience stores70
- Grocery stores61
- Convenience stores74
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many convenience stores are in St. Louis County, MO?
Map listings as of September 2026 show 259 convenience stores in St. Louis County. 198 of them (76%) are chain locations. The listings count convenience stores without fuel. Official counts show 57 businesses with payroll classed as convenience stores in 2023, up 14.0% from 2019.
How much do households in St. Louis County, MO spend on groceries?
About $2.6B a year, or $6,355 per household. That is in line with the U.S. average (an index of 101, where 100 is the U.S. average). Spread across the 259 convenience stores on map listings, it comes to $10.2M per store. That spending covers all groceries, which convenience stores 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 convenience stores?
St. Louis County has 6.3 convenience stores per 10,000 households, 21% below the U.S. rate of 8.0. Spending per store is $10.2M, 29% above the U.S. figure of $7.9M. At the U.S. ratio of convenience stores to household spending, St. Louis County would have about 334, against 259 on map listings. There is one business with payroll in the industry for every 7,261 households, against one for every 3,493 across the U.S. The official count rose 14.0% from 2019 to 2023, against +22.0% 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 74 for convenience stores (upper middle), #315 of 2,261 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 convenience stores 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 convenience stores · 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.