Food and drink · County · Missouri
Fast food and sandwich shops in St. Charles County, MO
Competitor counts, household spending and official business counts for fast food and sandwich shops in St. Charles County, MO, set against other counties and the U.S.
Groundwork market score · out of 100
Score 69 out of 100: Upper middle
Ranked #404 of 2,222 scored counties
#15 of 74 scored counties in Missouri
- Listings
- 210
- 200 chain locations (95%)
- Official establishments
- 333
- All limited-service restaurants · +11.0% since 2019
- Household spending a year
- $755.6M
- On food away from home · $4,684 a household
- Spending per listing
- $3.6M
- 18% above the U.S.
- Listings per 10k households
- 13.0
- 2% below the U.S.
- Population, 2025
- 426,499
- +4.9% since 2020
See the fast food and sandwich shops around any address in St. Charles County
The site report maps the fast food and sandwich shops 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 210 fast food and sandwich shops in St. Charles County. Of those, 200 are chain locations, or 95%, against 79% across the U.S. Per 10,000 households, that is 13.0, 2% below the U.S. rate of 13.3.
Household spending on food away from home in St. Charles County comes to about $755.6M a year: $4,684 per household, 15% above the U.S. average. Spread across 210 fast food and sandwich shops, that is $3.6M per shop, 18% above the U.S. figure of $3.1M. That spending covers all food away from home, which fast food and sandwich shops share with other businesses in the trade.
Official counts show 333 businesses with payroll classed as limited-service restaurants in St. Charles County in 2023, up 11.0% from 2019. That is one for every 484 households, against one for every 478 across the U.S. The official count takes in all limited-service restaurants, not only fast food and sandwich shops: pizza places are counted too. Another 70 one-person businesses have no payroll, by official counts. Since fiscal 2022, 13 SBA-backed loans worth $5.7M have gone to businesses classed as limited-service restaurants in St. Charles County.
Between 2020 and 2025, the population of St. Charles County grew 4.9%, faster than the U.S. (+3.1%). The Groundwork market score for fast food and sandwich shops in St. Charles County is 69 (upper middle), #404 of 2,222 scored counties and #15 of 74 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 food away from home by the fast food and sandwich shops 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 | 13.0 | 13.3 | 13.3 |
| Spending per listing | $3.6M | $2.9M | $3.1M |
| Households per official establishment (all limited-service restaurants) | 484 | 521 | 478 |
| Official establishment growth, 2019–2023 | +11.0% | +8.4% | +6.1% |
| Population growth, 2020–2025 | +4.9% | +1.9% | +3.1% |
| Spending per household on food away from home | $4,684 | $3,799 | $4,070 |
| Median household income | $104,692 | $70,702 | $80,734 |
| Groundwork market score | 69 | 44 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 300 → 333All limited-service restaurants · +11.0% over the period
- Employees, 2023
- 7,082
- Annual payroll, 2023
- $142.8M
- One-person businesses, 2023
- 70All limited-service restaurants with no payroll
- Map listings, September 2026
- 210200 chain locations
- Listings at the U.S. rate for this spending
- 248The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 13
- Amount
- $5.7M
SBA-backed loans to businesses classed as limited-service restaurants 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. These official figures cover all limited-service restaurants, not only fast food and sandwich shops.
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 fast food and sandwich shops 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 cardFast food and sandwich shops across Missouri
Every Missouri market ranked →The highest-scoring counties in Missouri for fast food and sandwich shops, 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 | 92 | 18 | 7.9 | $5.1M | +11.4% | #9 of 2,222 |
| 2Warren County, MO | 89 | 10 | 7.2 | $5.6M | +9.2% | #23 of 2,222 |
| 3Christian County, MO | 80 | 32 | 9.1 | $4.4M | +8.3% | #124 of 2,222 |
| 4Ste. Genevieve County, MO | 76 | 6 | 8.4 | $4.4M | +1.1% | #208 of 2,222 |
| 5Ray County, MO | 75 | 8 | 8.8 | $4.3M | +1.1% | #224 of 2,222 |
| 6Stone County, MO | 75 | 11 | 8.1 | $4.2M | +4.1% | #225 of 2,222 |
| 7Cass County, MO | 75 | 53 | 12.3 | $3.4M | +7.1% | #236 of 2,222 |
| 8Platte County, MO | 74 | 58 | 13.2 | $3.4M | +6.7% | #261 of 2,222 |
| 9McDonald County, MO | 73 | 6 | 7.0 | $4.6M | +3.1% | #274 of 2,222 |
| 10Jefferson County, MO | 73 | 89 | 10.1 | $4M | +2.7% | #282 of 2,222 |
| 15St. Charles County, MO | 69 | 210 | 13.0 | $3.6M | +4.9% | #404 of 2,222 |
Other business types in St. Charles County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
- Restaurants and cafes71
- Sit-down restaurants73
- Fast food and sandwich shops69
- Pizza71
- Coffee shops and cafes75
- Bakeries and dessert shops70
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 fast food and sandwich shops are in St. Charles County, MO?
There are 210 fast food and sandwich shops on map listings in St. Charles County as of September 2026. 200 of them (95%) are chain locations. The listings count fast food, sandwich shops, delis and bagel shops. Official counts show 333 businesses with payroll classed as limited-service restaurants in 2023, up 11.0% from 2019. That count covers all limited-service restaurants (pizza places included), not only fast food and sandwich shops. Official counts list 70 one-person businesses without payroll.
How much do households in St. Charles County, MO spend on food away from home?
About $755.6M a year, or $4,684 per household. That is 15% above the U.S. average (an index of 115, where 100 is the U.S. average). Spread across the 210 fast food and sandwich shops on map listings, it comes to $3.6M per shop. The spending figure covers all food away from home, not only fast food and sandwich shops. 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 fast food and sandwich shops?
St. Charles County has 13.0 fast food and sandwich shops per 10,000 households, 2% below the U.S. rate of 13.3. Spending per shop is $3.6M, 18% above the U.S. figure of $3.1M. At the national ratio of fast food and sandwich shops to household spending, St. Charles County would have about 248, against 210 on map listings. There is one business with payroll in the industry for every 484 households, against one for every 478 across the U.S. The official count rose 11.0% from 2019 to 2023, against +6.1% 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 69 for fast food and sandwich shops (upper middle), #404 of 2,222 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 fast food and sandwich shops 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 fast food and sandwich shops · 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.