The typical owner-occupied home in St. Louis County is worth about $276,800, 20% above the Missouri median of $230,300 and 17% below the national median of $332,700. Owners pay a median $3,335 a year in property taxes, about 1.20% of their home's value, higher than the Missouri rate of 0.85%. The median household earns $82,936 a year, so the median home costs 3.3 times the median income (3.3 times for Missouri). 69% of occupied homes here are lived in by their owners, and 64% of those owners still have a mortgage.
St. Louis County at a glance
| St. Louis County | Missouri | U.S. | |
|---|---|---|---|
| Median home value | $276,800 | $230,300 | $332,700 |
| Median property tax paid per year | $3,335 | $1,948 | $3,119 |
| Property tax as a share of value | 1.20% | 0.85% | 0.94% |
| Median household income | $82,936 | $70,702 | $80,734 |
| Homes lived in by their owners | 69% | 68% | 65% |
| Owner homes with a mortgage | 64% | 60% | 61% |
| Median monthly costs, owners with a mortgage | $1,753 | $1,524 | $1,963 |
| Those costs as a share of the owners' income | 19.1% | 19.0% | 21.0% |
| Median rent | $1,209 | $1,033 | $1,413 |
| Rent as a share of renters' income | 29.3% | 28.1% | 30.6% |
| Median year homes were built | 1969 | 1978 | 1980 |
| Vacant homes | 7.2% | 11.2% | 10.1% |
| Population | 995,569 | 6,191,814 | 334,922,499 |
What a typical home costs per month in St. Louis County
At this week's average 30-year rate of 7.11%, buying the median St. Louis County home of $276,800 with 20% down costs about $1,882 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $2,343, because the loan is bigger and FHA adds mortgage insurance.
Lenders usually want housing costs under about 28% of gross income, which means an income of roughly $80,647 for the 20%-down payment. That payment is 27% of the median St. Louis County household income of $82,936; at that income and 20% down, the 28% guideline points to a home of about $285,000.
The median rent here is $1,209 a month, so owning the median home costs about $673 a month more than renting, before you count the equity you build and any tax benefits.
| Down payment | $55,360 |
|---|---|
| Loan amount | $221,440 |
| Principal and interest | $1,490 |
| Property taxes (1.20% a year) | $277 |
| Homeowners insurance (our estimate, 0.5% a year) | $115 |
| PMI | $0 |
| Total per month | $1,882 |
Change the numbers in the calculator
| Down payment | $9,688 |
|---|---|
| Loan amount | $271,786 |
| Principal and interest | $1,828 |
| Property taxes (1.20% a year) | $277 |
| Homeowners insurance (our estimate, 0.5% a year) | $115 |
| FHA mortgage insurance | $122 |
| Total per month | $2,343 |
Change the numbers in the calculator
Questions about home buying in St. Louis County
What is the median home value in St. Louis County?
About $276,800 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.
How much are property taxes in St. Louis County?
Homeowners pay a median $3,335 a year, which is about 1.20% of the median home value. Your bill depends on your home's assessed value and local rates.
What income do you need to buy a home in St. Louis County?
For the median home with 20% down at 7.11%, the payment is about $1,882 a month. Keeping that under 28% of gross income takes about $80,647 a year.
More about St. Louis County
- Mortgage Refinance in St. Louis County
- Debt Relief in St. Louis County
- Home Equity Loans in St. Louis County
- Guides and quotes for mortgage refinance on our sister site, MortgageRefinance.com
Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates; Freddie Mac Primary Mortgage Market Survey, week of November 12, 2026. Estimates for small places have wide margins of error. About our data