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ZIP Code · MO

ZIP 63303

Pop. 46,089·Saint Charles County·41st most expensive ZIP in Missouri
Median rent (all units)
$1,595/mo
Year-over-Year
+15.3%
Month-over-Month
+2.4%
vs US Median
-$370
Rising (Monthly)
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Most AffordableMost Expensive
ZIP 63303 · $1,595
More affordable than 67% of US ZIP codes · National median $1,965/mo
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Medians by bedroom

Rent by unit size

Studio
$1,170
1 BR
$1,220
2 BR
$1,490
3 BR
$1,920
4 BR+
$2,220
Research median
$1,490/mo

Bedroom estimates are gross rents that include essential utilities (electricity, water, gas, sewer, trash).

Rent trends

12-month history

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Last updated: July 20, 2026

Annual cost
$19,140/yr
At $1,595/mo median
Location
StateMO
CountySaint Charles County
Rent Market Meter
Strong Landlord's Market
Renter's MarketBalancedLandlord's Market
Rents are up 15.3% year-over-year. Expect competition, and move quickly to lock in terms.
Based on rent-price momentum (+15.3% YoY, +2.4% MoM), not inventory.
Demographics

Who lives here

ZIP 63303 (Saint Charles, MO) is majority owner-occupied, has a median income above the national average, 48.8% of residents hold a bachelor's degree or higher.

Population
46,089
Median income
$99,138
Median age
41.4
Renters
25.9%
Age distribution
17.8%
23.3%
23.1%
16.4%
19.3%
Under 1817.8%
18–3423.3%
35–5423.1%
55–6416.4%
65+19.3%
Gender
49.7%
50.3%
Male49.7%
Female50.3%
Race & ethnicity
80.1%
White80.1%
Black5.6%
Hispanic4.8%
Asian5.3%
Other4.2%
Education (25+)
21.3%
26.3%
48.8%
No HS diploma3.6%
HS diploma21.3%
Some college26.3%
Bachelor's+48.8%
Housing tenure
74.1%
25.9%
Owner74.1%
Renter25.9%

Source: U.S. Census Bureau · ACS 2024 5-Year Estimates

2021 vs 2026

How ZIP 63303 in Saint Charles, MO has changed in 5 years

Rent
$1,083 → $1,595
up 47.3%
Income
$85,949 → $99,138
up 15.3%
Population
47,772 → 46,089
down 3.5%
Renter share
25.4% → 25.9%
+0.5 pts
Bachelor's+
46.4% → 48.8%
+2.4 pts
Median age
40.9 → 41.4
+0.5 yrs

Since 2021, the typical rent in ZIP 63303 in Saint Charles, MO has increased from $1,083 to $1,595, a 47.3% change over five years. On the earnings side, the typical household in ZIP 63303 in Saint Charles, MO now reports about $99,138, up from $85,949 in 2021. That spread, with rent up faster than earnings, points to a tougher affordability environment than five years ago. The population has contracted by 3.5% since 2021, moving from about 47,772 residents to roughly 46,089. College-educated residents now make up 48.8% of adults here, versus 46.4% in 2021. For context, the 2021 to 2026 window covers an unusually volatile run for US rents nationally, and ZIP 63303 in Saint Charles, MO reflects that arc in its own way.

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Local insights

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About renting in ZIP 63303

Last updated: July 20, 2026

ZIP code 63303 covers Saint Charles, MO. The median rent here is $1,595/mo as of July 2026. A 1-bedroom rents for a median of $1,220/mo. A 2-bedroom rents for a median of $1,490/mo.

At 19% of local median household income ($99,138/yr), ZIP 63303 ranks as affordable compared to the national benchmark of 30%. Rents have increased 15.3% over the past year.

FAQ

Frequently asked questions

How much is rent in ZIP code 63303?

As of July 20, 2026, the median monthly rent in ZIP 63303 (Saint Charles, MO) is $1,595. This is based on aggregated data from public sources and community submissions.

How does ZIP 63303 rent compare to the US average?

ZIP 63303's median rent of $1,595/mo is $370 (19%) below the US national median of $1,965/mo.

How does ZIP 63303 compare to other ZIPs in Missouri?

ZIP 63303 is one of the pricier ZIP codes in Missouri, ranking #41 out of 136 ZIPs tracked at $1,595/mo.

How much income do you need to rent in ZIP 63303?

To keep rent at or below 30% of gross income, you would need to earn at least $64,000/year (~$31/hour full-time) to afford the median rent of $1,595/mo in ZIP 63303. The local median household income is $99,138/yr, meaning the typical household meets that threshold.

Is rent going up or down in ZIP 63303?

Rent in ZIP 63303 has increased 15.3% over the past year as of July 20, 2026, putting upward pressure on renter budgets.

Is ZIP 63303 an affordable place to rent?

ZIP 63303 is considered very affordable for renters. At $1,595/mo, rent takes approximately 19% of the local median household income ($99,138/yr). The standard benchmark is 30%. ZIP 63303 falls comfortably within that range.

What percentage of ZIP 63303 residents rent vs. own?

According to Census data, approximately 25.9% of ZIP 63303 households are renters, while 74.1% are owner-occupied. ZIP 63303 leans toward homeownership, which can mean a smaller rental inventory.

How does ZIP 63303 compare to the rest of Saint Charles?

ZIP 63303 is pricier than Saint Charles as a whole. At $1,595/mo, it's $45 above the Saint Charles citywide median of $1,550/mo.

When was rent data for ZIP 63303 last updated?

Rent data for ZIP 63303 reflects July 20, 2026. RentDataNow refreshes all data monthly using public and private datasets.
Income Affordability
19%
VERY AFFORDABLE

At $1,595/mo, rent takes ~19% of ZIP 63303's median household income ($99,138/yr). The standard benchmark is 30%.

ZIP 63303 19%Benchmark 30%
State income tax2–4.7%
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