U.S. ZIP Code · MO63123
St. Louis County · St. Louis, MO-IL
Appreciation
- 1-year
- +0.7%
- 5-year / yr
- +4.9%
- 10-year / yr
- +5.4%
Relative price
- vs U.S.
- -13.0%
- vs metro
- -1.4%
- vs state
- +2.7%
Price history
Zillow Home Value Index — monthly, smoothed and seasonally adjusted.
The typical home in 63123 is worth $247,042 — 1.4% below the St. Louis, MO-IL median. Over the past year, values have risen 0.7%. Homes here rent for a typical $1,449 a month — a 7.0% gross rental yield. The effective property tax rate is 1.2%.
#Rent & investment
Typical asking rent, and the returns it implies at the current home value.
#Property tax
Effective rate — total real estate taxes paid relative to total home value.
#Climate risk
FEMA National Risk Index ratings for St. Louis County. "Not Applicable" means the hazard does not threaten the county.
- Overall risk
- Relatively High[4]
- Riverine flood
- Relatively High
- Coastal flood
- Not Applicable
- Wildfire
- Very Low
- Drought
- Very Low
- Heat wave
- Very High
- Hurricane
- Very Low
- Tornado
- Relatively High
- Earthquake
- Relatively High
- Winter weather
- Very High
#Who lives here
#Migration
Household moves in and out of St. Louis County over a year, from IRS tax-return data.
- Net migration
- -2,450[5]
- Moved in
- 23,075
- Moved out
- 25,525
Schools
Open public schools in this ZIP, from the NCES Common Core of Data.
- Public schools
- 8
- Elementary
- 4
- Middle
- 2
- High
- 2
BAYLESS ELEMENTARY
Elementary · Grades PK–5 · BAYLESS
858 students
AFFTON HIGH
High · Grades 9–12 · AFFTON 101
739 students
MESNIER PRIMARY SCH.
Elementary · Grades PK–2 · AFFTON 101
723 students
DRESSEL ELEMENTARY SCHOOL
Elementary · Grades K–5 · LINDBERGH SCHOOLS
628 students
ROGERS MIDDLE
Middle · Grades 6–8 · AFFTON 101
579 students
Run the numbers
Interactive calculators pre-filled with this ZIP's typical home value, rent, and property-tax rate. Edit any field to recompute.
Gross and net yield are estimates based on the inputs and the selected expense ratio. Actual income and expenses will vary by property and market. Not investment advice.
Estimated monthly payments include principal and interest only. Actual costs will include property tax, insurance, possibly PMI, and HOA fees not modeled here. Loan terms shown are estimates; consult a licensed lender for current rates and qualification.
Renting is meaningfully cheaper month-to-month.
This calculator projects multi-year scenarios based on assumptions about appreciation, rent growth, and investment returns — none of which are guaranteed. Actual outcomes depend on variables this tool cannot know. Not financial or real estate advice.
#Metro ranking
Where this ZIP sits among others in its metro area.
Frequently asked
- How much is a home worth in ZIP code 63123?
- The typical home in 63123 is worth $247,042, based on the Zillow Home Value Index.
- Are home values rising in 63123?
- Home values in 63123 are up 0.7% over the past year, and up 4.9% a year over five years.
- What is the typical rent in 63123?
- A typical home in 63123 rents for about $1,449 a month, a gross rental yield of 7.0%.
- What is the property tax rate in 63123?
- The effective property tax rate in 63123 is 1.2% — roughly $2,976 a year on a typical home.
- Who lives in 63123?
- ZIP code 63123 has a population of 49,077 and a median household income of $77,055.
#Comparable ZIPs
Same metro, nearest typical home value. Each card shows the comparable ZIP's headline numbers so you can scan at a glance.
MO
- Typical home
- $246,913
- Gross yield
- —
Gerald, MO
- Typical home
- $245,955
- Gross yield
- —
LaBarque Creek CDP, MO
- Typical home
- $249,671
- Gross yield
- —
Shiloh, IL
- Typical home
- $250,500
- Gross yield
- 5.5%
De Soto, MO
- Typical home
- $243,424
- Gross yield
- —
Germantown, IL
- Typical home
- $243,341
- Gross yield
- —
Want similar ZIPs from outside this metro? Browse nationally similar ZIPs →
Compare ZIPs
Pit ZIP 63123 against any other ZIP — full side-by-side table.
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