St. Louis County, MO Average Home Price (2026)
The average home price in St. Louis County, Missouri is about $290,000 (the 2026 median across 41 ZIP codes, at ~$188/sq ft) — 18% more expensive than the Missouri median and about the same as the typical U.S. home.
How St. Louis County compares
St. Louis County is about average for housing nationally: its typical home costs $290,000 against $245,000 for Missouri and $289,000 for the U.S. Within the county, ZIP-level values run from about $73,000 to $1,303,000.
| Area | Typical value | $ / sq ft |
|---|---|---|
| St. Louis County | $290,000 | $188 |
| Missouri | $245,000 | $159 |
| United States | $289,000 | $193 |
Cities in St. Louis County
Cities with their own home-value page, largest first:
St. Louis County home prices by ZIP code
The 15 most valuable ZIP codes in St. Louis County (of 41 with data):
| ZIP code | Typical value | $ / sq ft | vs county |
|---|---|---|---|
| 63124 Ladue | $1,303,000 | $324 | +349% |
| 63131 Des Peres | $1,011,000 | $330 | +249% |
| 63005 Chesterfield | $850,000 | $262 | +193% |
| 63105 Clayton | $809,000 | $249 | +179% |
| 63127 Sunset Hills | $678,000 | $241 | +134% |
| 63141 Creve Coeur | $655,000 | $190 | +126% |
| 63038 Wildwood | $649,000 | $225 | +124% |
| 63017 Chesterfield | $553,000 | $196 | +91% |
| 63122 Kirkwood | $511,000 | $256 | +76% |
| 63040 Wildwood | $477,000 | $197 | +64% |
| 63011 Ballwin | $437,000 | $195 | +51% |
| 63025 Eureka | $424,000 | $193 | +46% |
| 63021 Ballwin | $387,000 | $188 | +33% |
| 63119 Webster Groves | $379,000 | $224 | +31% |
| 63128 Concord | $372,000 | $186 | +28% |
Home value appreciation in St. Louis County
Home prices in St. Louis County have risen about 75% over the last 10 years (≈5.7% a year) and +63.7% over 20 years, according to the FHFA house price index through 2025. The most recent year came in at +3.8% — still rising. A home worth $290,000 today was worth roughly $166,189 ten years ago.
See where that trend takes a specific home with the home appreciation calculator — statewide, Missouri is +88.2% over the same 10 years. Past appreciation is a track record, not a forecast; local prices can fall.
Calculators for St. Louis County
Run the numbers for St. Louis County with the local rates already filled in — change any input to test your own situation.
Salary needed to buy a home in St. Louis County
To buy the typical $290,000 home in St. Louis County with 20% down, you need a household income of roughly $79,000 a year (about $1,840 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $94,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $14,500 | $2,290/mo | $98,000/yr |
| 10% (+PMI) | $29,000 | $2,190/mo | $94,000/yr |
| 20% | $58,000 | $1,840/mo | $79,000/yr |
Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.
What your budget buys in St. Louis County
At about $188 per square foot, here is roughly how much home different budgets get you in St. Louis County:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $150k | 800 sq ft | below the local median — condos, smaller or older homes |
| $200k | 1060 sq ft | below the local median — condos, smaller or older homes |
| $250k | 1330 sq ft | around the typical home here |
| $300k | 1600 sq ft | around the typical home here |
| $400k | 2130 sq ft | above the median — larger homes or the pricier ZIPs |
Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens filtered to Missouri.
Estimate a specific home in St. Louis County
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St. Louis County home prices: frequently asked
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Browse all Missouri cities and counties, or look up price per square foot by ZIP code nationwide.
Directional estimates from public market data (Realtor.com & Zillow research; FHFA house price index; Census ZIP-to-county relationships), not appraisals.