How much is a home worth in ZIP code 63021?

The typical home in 63021 is worth $389,597, based on the Zillow Home Value Index.

Are home values rising in 63021?

Home values in 63021 are up 1.3% over the past year, and up 4.8% a year over five years.

What is the typical rent in 63021?

A typical home in 63021 rents for about $1,656 a month, a gross rental yield of 5.1%.

What is the property tax rate in 63021?

The effective property tax rate in 63021 is 1.2% — roughly $4,630 a year on a typical home.

ZIP code 63021 has a population of 55,666 and a median household income of $120,177.

HousingHandbookReference data

…

U.S. ZIP Code · MO63021

St. Louis County · St. Louis, MO-IL

Typical home value

$389,597^[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year: +1.3%
5-year / yr: +4.8%
10-year / yr: +4.9%

Relative price

vs U.S.: +37.1%
vs metro: +55.5%
vs state: +62.0%

Price history

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

The typical home in 63021 is worth $389,597 — 55.5% above the St. Louis, MO-IL median. Over the past year, values have risen 1.3%. Homes here rent for a typical $1,656 a month — a 5.1% 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.

Monthly rent: $1,656^[2]
Gross yield: 5.1%^[2]
Cap rate: 3.1%^[2]

#Property tax

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

Effective tax rate: 1.2%^[3]
Typical annual tax: $4,630^[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: 55,666^[3]
Median household income: $120,177^[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: 13
Elementary: 10
Middle: 2
High: 1

SOUTH HIGH
High · Grades 9–12 · PARKWAY C-2
1,524 students
SOUTHWEST MIDDLE
Middle · Grades 6–8 · PARKWAY C-2
747 students
SELVIDGE MIDDLE
Middle · Grades 6–8 · ROCKWOOD R-VI
603 students
WOERTHER ELEM.
Elementary · Grades K–5 · ROCKWOOD R-VI
436 students
BALLWIN ELEM.
Elementary · Grades K–5 · ROCKWOOD R-VI
432 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 yield5.1%

Net yield (after ~40% expenses)3.1%

Annual rent$19,874

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$1,970

Loan principal$311,678

Down payment$77,919

Total interest paid$397,528

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 ratio1.62

Monthly cost to own$2,681

Monthly rent$1,656

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.

Appreciation: 50th percentile^[1]
Rental yield: 25th percentile^[2]
Property tax: 49th percentile^[3]

Rankings

Top-10 lists this ZIP code appears on.

4th for most populous in MOView list →

Frequently asked

How much is a home worth in ZIP code 63021?: The typical home in 63021 is worth $389,597, based on the Zillow Home Value Index.
Are home values rising in 63021?: Home values in 63021 are up 1.3% over the past year, and up 4.8% a year over five years.
What is the typical rent in 63021?: A typical home in 63021 rents for about $1,656 a month, a gross rental yield of 5.1%.
What is the property tax rate in 63021?: The effective property tax rate in 63021 is 1.2% — roughly $4,630 a year on a typical home.
Who lives in 63021?: ZIP code 63021 has a population of 55,666 and a median household income of $120,177.

#Comparable ZIPs

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

63119 vs 63021 →
Webster Groves, MO
Typical home
$382,371
Gross yield
5.4%
63055 vs 63021 →
Gray Summit CDP, MO
Typical home
$377,623
Gross yield
—
63385
Wentzville, MO
Typical home
$402,477
Gross yield
5.3%
63304
Weldon Spring, MO
Typical home
$404,414
Gross yield
5.1%
63117
Richmond Heights, MO
Typical home
$373,608
Gross yield
5.4%
63128
Concord CDP, MO
Typical home
$373,117
Gross yield
5.2%

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Pit ZIP 63021 against any other ZIP — full side-by-side table.

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#Jump to section

U.S. ZIP Code · MO63021

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