How much is a home worth in ZIP code 63121?

The typical home in 63121 is worth $89,620, based on the Zillow Home Value Index.

Are home values rising in 63121?

Home values in 63121 are down 2.2% over the past year, and up 5.0% a year over five years.

What is the typical rent in 63121?

A typical home in 63121 rents for about $1,175 a month, a gross rental yield of 15.7%.

What is the property tax rate in 63121?

The effective property tax rate in 63121 is 1.6% — roughly $1,466 a year on a typical home.

ZIP code 63121 has a population of 25,008 and a median household income of $42,701.

HousingHandbookReference data

…

U.S. ZIP Code · MO63121

St. Louis County · St. Louis, MO-IL

Typical home value

$89,620^[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year: -2.2%
5-year / yr: +5.0%
10-year / yr: +7.7%

Relative price

vs U.S.: -68.5%
vs metro: -64.2%
vs state: -62.7%

Price history

Zillow Home Value Index — monthly, smoothed and seasonally adjusted.

The typical home in 63121 is worth $89,620 — 64.2% below the St. Louis, MO-IL median. Over the past year, values have fallen 2.2%. Homes here rent for a typical $1,175 a month — a 15.7% gross rental yield. The effective property tax rate is 1.6%.

#Rent & investment

Typical asking rent, and the returns it implies at the current home value.

Monthly rent: $1,175^[2]
Gross yield: 15.7%^[2]
Cap rate: 9.4%^[2]

#Property tax

Effective rate — total real estate taxes paid relative to total home value.

Effective tax rate: 1.6%^[3]
Typical annual tax: $1,466^[3]

#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

Population: 25,008^[3]
Median household income: $42,701^[3]

#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: 6
Elementary: 5
Middle: 0
High: 1

NORMANDY EARLY LEARNING CENTER
Elementary · Grades PK–K · NORMANDY SCHOOLS COLLABORATIVE
382 students
JEFFERSON ELEM.
Elementary · Grades 1–8 · NORMANDY SCHOOLS COLLABORATIVE
323 students
BARACK OBAMA ELEMENTARY SCHOOL
Elementary · Grades 1–8 · NORMANDY SCHOOLS COLLABORATIVE
316 students
BEL-NOR
Elementary · Grades 1–5 · NORMANDY SCHOOLS COLLABORATIVE
269 students
BERMUDA ELEMENTARY
Elementary · Grades PK–2 · FERGUSON-FLORISSANT R-II
175 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.

Home value$Monthly rent$

Gross yield15.7%

Net yield (after ~40% expenses)9.4%

Annual rent$14,099

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.

Home price$Down payment%Interest rate%Loan termyears

Monthly payment$453

Loan principal$71,696

Down payment$17,924

Total interest paid$91,445

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.

Home price$Monthly rent$Down payment%Mortgage rate%Property tax rate% / yrMaintenance% / yrRule of thumb: 1% of home value per year.

Own : rent ratio0.55

Monthly cost to own$650

Monthly rent$1,175

Owning 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.

Appreciation: 55th percentile^[1]
Rental yield: 93rd percentile^[2]
Property tax: 76th percentile^[3]

Rankings

Top-10 lists this ZIP code appears on.

7th for highest rental yield in MOView list →

Frequently asked

How much is a home worth in ZIP code 63121?: The typical home in 63121 is worth $89,620, based on the Zillow Home Value Index.
Are home values rising in 63121?: Home values in 63121 are down 2.2% over the past year, and up 5.0% a year over five years.
What is the typical rent in 63121?: A typical home in 63121 rents for about $1,175 a month, a gross rental yield of 15.7%.
What is the property tax rate in 63121?: The effective property tax rate in 63121 is 1.6% — roughly $1,466 a year on a typical home.
Who lives in 63121?: ZIP code 63121 has a population of 25,008 and a median household income of $42,701.

#Comparable ZIPs

Same metro, nearest typical home value. Each card shows the comparable ZIP's headline numbers so you can scan at a glance.

63136 vs 63121 →
Jennings, MO
Typical home
$86,694
Gross yield
16.9%
62087 vs 63121 →
South Roxana, IL
Typical home
$94,085
Gross yield
—
63137
Bellefontaine Neighbors, MO
Typical home
$95,180
Gross yield
16.9%
62240
Dupo, IL
Typical home
$80,503
Gross yield
—
62048
Madison, IL
Typical home
$79,167
Gross yield
—
63133
Pagedale, MO
Typical home
$78,353
Gross yield
18.9%

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Pit ZIP 63121 against any other ZIP — full side-by-side table.

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#Jump to section

U.S. ZIP Code · MO63121

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