Real estate · County · Missouri
Real estate agents and brokers in St. Charles County, MO
Competitor counts, household spending and official business counts for real estate agents and brokers in St. Charles County, MO, set against other counties and the U.S.
Groundwork market score · out of 100
Score 47 out of 100: Lower middle
Ranked #1,231 of 2,176 scored counties
#31 of 78 scored counties in Missouri
- Listings
- 410
- 11 chain locations (3%)
- Official establishments
- 202
- +29.5% since 2019
- Household spending a year
- $2.6B
- On rent and homeowner costs · $16,029 a household
- Housing spending per listing (U.S. = 100)
- 116
- 16% above the U.S.
- Listings per 10k households
- 25.4
- 17% below the U.S.
- Population, 2025
- 426,499
- +4.9% since 2020
See the real estate agents and brokers around any address in St. Charles County
The site report maps the real estate agents and brokers 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 410 real estate agents and brokers in St. Charles County. Of those, 11 are chain locations, or 3%, against 4% across the U.S. That is 25.4 per 10,000 households, 17% below the U.S. rate of 30.6.
Households in St. Charles County spend about $2.6B a year on rent and homeowner costs, or $16,029 per household, 4% below the U.S. average. Housing spending per office is 16% above the U.S. figure. That figure is all rent and homeowner costs, used as a measure of housing demand; it is not money real estate agents and brokers take in.
The official count of businesses with payroll classed as offices of real estate agents and brokers in St. Charles County was 202 in 2023, up 29.5% from 2019. That is one for every 799 households, against one for every 788 across the U.S.
Population estimates show St. Charles County grew 4.9% from 2020 to 2025, faster than the U.S. (+3.1%). For real estate agents and brokers, St. Charles County has a Groundwork market score of 47 (lower middle): #1,231 of 2,176 scored counties and #31 of 78 scored counties in Missouri.
How St. Charles County compares
The same measures for Missouri and the whole U.S. Housing spending per listing divides all rent and homeowner costs by the listings counted: a measure of housing demand for each business, not money any of them take in, so it is shown against the U.S. (100) only. Households per establishment divides households by the official count.
| Measure | St. Charles County | Missouri | U.S. |
|---|---|---|---|
| Listings per 10k households | 25.4 | 25.6 | 30.6 |
| Housing spending per listing (U.S. = 100) | 116 | 99 | 100 |
| Households per official establishment | 799 | 984 | 788 |
| Official establishment growth, 2019–2023 | +29.5% | +23.6% | +20.1% |
| Population growth, 2020–2025 | +4.9% | +1.9% | +3.1% |
| Spending per household on rent and homeowner costs | $16,029 | $13,809 | $16,661 |
| Median household income | $104,692 | $70,702 | $80,734 |
| Groundwork market score | 47 | 36 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 156 → 202+29.5% over the period
- Employees, 2023
- 307
- Annual payroll, 2023
- $15.5M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 41011 chain locations
- Listings at the U.S. rate for this spending
- 474The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 0
- Amount
- $0
SBA-backed loans to businesses classed as offices of real estate agents and brokers 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 real estate agents and brokers 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 cardReal estate agents and brokers across Missouri
Every Missouri market ranked →The highest-scoring counties in Missouri for real estate agents and brokers, numbered among those based in Missouri, with St. Charles County marked.
Top counties in Missouri
| Market | Score | Listings | Per 10k households | Housing spending per listing (U.S. = 100) | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Andrew County, MO | 66 | 5 | 7.2 | 356 | +0.7% | #316 of 2,176 |
| 2McDonald County, MO | 62 | 5 | 5.8 | 385 | +3.1% | #448 of 2,176 |
| 3Callaway County, MO | 59 | 22 | 13.3 | 186 | +3.2% | #595 of 2,176 |
| 4Jefferson County, MO | 59 | 128 | 14.5 | 181 | +2.7% | #597 of 2,176 |
| 5Lincoln County, MO | 59 | 51 | 22.4 | 118 | +11.4% | #622 of 2,176 |
| 6Pike County, MO | 58 | 6 | 9.3 | 248 | +3.1% | #633 of 2,176 |
| 7Dallas County, MO | 58 | 7 | 10.3 | 214 | +5.2% | #638 of 2,176 |
| 8Washington County, MO | 57 | 6 | 6.7 | 336 | +1.6% | #666 of 2,176 |
| 9Benton County, MO | 56 | 7 | 8.2 | 270 | +5.7% | #721 of 2,176 |
| 10Lawrence County, MO | 56 | 21 | 14.4 | 162 | +3.7% | #745 of 2,176 |
| 31St. Charles County, MO | 47 | 410 | 25.4 | 116 | +4.9% | #1,231 of 2,176 |
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
Child care
Clothing and laundry
Home services
Real estate
- Real estate45
- Real estate agents and brokers47
- Property management67
- Mortgage brokers and lenders46
- Home inspectors40
Funeral services
Questions
How many real estate agents and brokers are in St. Charles County, MO?
There are 410 real estate agents and brokers on map listings in St. Charles County as of September 2026. 11 of them (3%) are chain locations. The listings count real estate agents and brokerages, commercial brokers included. Official counts show 202 businesses with payroll classed as offices of real estate agents and brokers in 2023, up 29.5% from 2019.
How much do households in St. Charles County, MO spend on rent and homeowner costs?
About $2.6B a year, or $16,029 per household. That is 4% below the U.S. average (an index of 96, where 100 is the U.S. average). For the 410 real estate agents and brokers on map listings, housing spending per office is 16% above the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money real estate agents and brokers take in. 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 real estate agents and brokers?
St. Charles County has 25.4 real estate agents and brokers per 10,000 households, 17% below the U.S. rate of 30.6. The index of housing spending per office is 116, where 100 is the U.S. At the national ratio of real estate agents and brokers to household spending, St. Charles County would have about 474, against 410 on map listings. There is one business with payroll in the industry for every 799 households, against one for every 788 across the U.S. The official count rose 29.5% from 2019 to 2023, against +20.1% 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 47 for real estate agents and brokers (lower middle), #1,231 of 2,176 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 real estate agents and brokers 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 real estate agents and brokers · 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.