How much is a home worth in ZIP code 63303?

The typical home in 63303 is worth $358,258, based on the Zillow Home Value Index.

Are home values rising in 63303?

Home values in 63303 are up 1.1% over the past year, and up 5.1% a year over five years.

What is the typical rent in 63303?

A typical home in 63303 rents for about $1,502 a month, a gross rental yield of 5.0%.

What is the property tax rate in 63303?

The effective property tax rate in 63303 is 1.0% — roughly $3,676 a year on a typical home.

ZIP code 63303 has a population of 46,089 and a median household income of $99,138.

HousingHandbookReference data

…

U.S. ZIP Code · MO63303

St. Charles County · St. Louis, MO-IL

Typical home value

$358,258^[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year: +1.1%
5-year / yr: +5.1%
10-year / yr: +5.5%

Relative price

vs U.S.: +26.1%
vs metro: +43.0%
vs state: +49.0%

Price history

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

The typical home in 63303 is worth $358,258 — 43.0% above the St. Louis, MO-IL median. Over the past year, values have risen 1.1%. Homes here rent for a typical $1,502 a month — a 5.0% gross rental yield. The effective property tax rate is 1.0%.

#Rent & investment

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

Monthly rent: $1,502^[2]
Gross yield: 5.0%^[2]
Cap rate: 3.0%^[2]

#Property tax

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

Effective tax rate: 1.0%^[3]
Typical annual tax: $3,676^[3]

#Climate risk

FEMA National Risk Index ratings for St. Charles County. "Not Applicable" means the hazard does not threaten the county.

Overall risk: Relatively Moderate^[4]
Riverine flood: Relatively High
Coastal flood: Not Applicable
Wildfire: Very Low
Drought: Relatively Low
Heat wave: Relatively Moderate
Hurricane: Very Low
Tornado: Relatively High
Earthquake: Relatively Moderate
Winter weather: Relatively High

#Who lives here

Population: 46,089^[3]
Median household income: $99,138^[3]

#Migration

Household moves in and out of St. Charles County over a year, from IRS tax-return data.

Net migration: +552^[5]
Moved in: 10,429
Moved out: 9,877

Schools

Open public schools in this ZIP, from the NCES Common Core of Data.

Public schools: 7
Elementary: 4
Middle: 1
High: 1

FRANCIS HOWELL NORTH HIGH
High · Grades 9–12 · FRANCIS HOWELL R-III
1,690 students
BECKY-DAVID ELEM.
Elementary · Grades PK–5 · FRANCIS HOWELL R-III
840 students
BARNWELL MIDDLE
Middle · Grades 6–8 · FRANCIS HOWELL R-III
783 students
HENDERSON ELEM.
Elementary · Grades K–5 · FRANCIS HOWELL R-III
671 students
HARVEST RIDGE ELEM.
Elementary · Grades PK–5 · FRANCIS HOWELL R-III
622 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 yield5.0%

Net yield (after ~40% expenses)3.0%

Annual rent$18,025

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$1,812

Loan principal$286,606

Down payment$71,652

Total interest paid$365,550

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 ratio1.61

Monthly cost to own$2,418

Monthly rent$1,502

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: 60th percentile^[1]
Rental yield: 23rd percentile^[2]
Property tax: 32nd percentile^[3]

Frequently asked

How much is a home worth in ZIP code 63303?: The typical home in 63303 is worth $358,258, based on the Zillow Home Value Index.
Are home values rising in 63303?: Home values in 63303 are up 1.1% over the past year, and up 5.1% a year over five years.
What is the typical rent in 63303?: A typical home in 63303 rents for about $1,502 a month, a gross rental yield of 5.0%.
What is the property tax rate in 63303?: The effective property tax rate in 63303 is 1.0% — roughly $3,676 a year on a typical home.
Who lives in 63303?: ZIP code 63303 has a population of 46,089 and a median household income of $99,138.

#Comparable ZIPs

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

63132 vs 63303 →
Olivette, MO
Typical home
$358,271
Gross yield
4.9%
62281 vs 63303 →
St. Jacob, IL
Typical home
$357,572
Gross yield
—
63026
Fenton, MO
Typical home
$353,182
Gross yield
4.9%
63366
O'Fallon, MO
Typical home
$363,687
Gross yield
6.0%
63377
Cave, MO
Typical home
$369,483
Gross yield
—
63390
Innsbrook, MO
Typical home
$346,929
Gross yield
—

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#Jump to section

U.S. ZIP Code · MO63303

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