ZIP Code · MO

ZIP 63121

Part of Normandy, MO
Pop. 25,008·Saint Louis County·115th most expensive ZIP in Missouri
Median rent (all units)
$1,173/mo
Year-over-Year
+4.7%
Month-over-Month
+1.6%
vs US Median
-$759
Reported rents
Rising (Monthly)
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Most AffordableMost Expensive
ZIP 63121 · $1,173
More affordable than 92% of US ZIP codes · National median $1,932/mo
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Medians by bedroom

Rent by unit size

Studio
$870
1 BR
$910
2 BR
$1,110
3 BR
$1,430
4 BR+
$1,650
Research median
$1,110/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: October 17, 2026

From the history

What the numbers show

Compared with the peak

Rent in ZIP 63121 is at its highest level since Zillow's records here began in December 2021.

Past year vs. the rest of Missouri

Rent in ZIP 63121 changed +4.7% over the year to September 2026. Across the 119 Missouri ZIP codes Zillow tracks, the typical change was +4.6%.

Recent direction

Rent has risen 3 months in a row, and rose in 8 of the last 12 months.

What a typical income covers

30% of the median household income ($42,701) is $1,068 a month. That covers HUD's Fair Market Rent for up to a 1-bedroom ($910); a 2-bedroom is $1,110.

Cheaper nearby

ZIP 63115, 4 miles away, rents for 19% less ($952/mo), about $2,700 a year in savings.

From Zillow's monthly rent index (ZORI) for ZIP 63121. Income is the Census median household income (5-year estimates). Fair Market Rents are HUD’s, which include utilities.

Annual cost
$14,076/yr
At $1,173/mo median
Location
StateMO
CountySaint Louis County
Rent Market Meter
Strong Landlord's Market
Renter's MarketBalancedLandlord's Market
Rents are up 4.7% year-over-year. Expect competition, and move quickly to lock in terms.
Based on rent-price momentum (+4.7% YoY, +1.6% MoM), not inventory.
Demographics

Who lives here

ZIP 63121 (Normandy, MO) is roughly split between renters and owners, skews toward younger working-age adults, has a median income below the national average, 24.2% of residents hold a bachelor's degree or higher.

Population
25,008
Median income
$42,701
Median age
33.2
Renters
48.4%
Age distribution
21.4%
30.5%
18.9%
12.3%
16.9%
Under 1821.4%
18–3430.5%
35–5418.9%
55–6412.3%
65+16.9%
Gender
44%
56%
Male44%
Female56%
Race & ethnicity
14.3%
78.8%
White14.3%
Black78.8%
Hispanic2.5%
Asian2%
Other2.4%
Education (25+)
35.9%
32.6%
24.2%
No HS diploma7.3%
HS diploma35.9%
Some college32.6%
Bachelor's+24.2%
Housing tenure
51.6%
48.4%
Owner51.6%
Renter48.4%

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

2022 vs 2026

How ZIP 63121 in Normandy, MO has changed in 5 years

Rent
$863 → $1,173
up 35.9%
Income
$40,185 → $42,701
up 6.3%
Population
23,760 → 25,008
up 5.3%
Renter share
47.8% → 48.4%
+0.6 pts
Bachelor's+
21.3% → 24.2%
+2.9 pts
Median age
39.5 → 33.2
-6.3 yrs

Rent in ZIP 63121 in Normandy, MO has increased 35.9% since 2022, going from about $863 per month to roughly $1,173 today. Median household income grew from $40,185 to $42,701 between 2021 and 2024, a 6.3% shift. Rent outpaced income growth by roughly 29.6 percentage points, which means renters are spending a larger slice of each paycheck on housing than they did in 2021. Headcount in the area went from 23,760 to 25,008 between 2021 and 2024, a 5.3% change. Educational attainment has shifted as well, with the share of adults holding a bachelor's degree or higher climbed from 21.3% to 24.2%. Taken together, the five-year picture in ZIP 63121 in Normandy, MO reflects how housing costs and the people paying them have evolved through a stretch that included a pandemic, a hot rental market, and a recent cooling phase.

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About renting in ZIP 63121

Last updated: October 17, 2026

ZIP code 63121 covers Normandy, MO. The median rent here is $1,173/mo as of October 2026. A 1-bedroom rents for a median of $910/mo. A 2-bedroom rents for a median of $1,110/mo.

At 33% of local median household income ($42,701/yr), ZIP 63121 ranks as moderate compared to the national benchmark of 30%. Rents have increased 4.7% over the past year.

FAQ

Frequently asked questions

How much income do you need to rent in ZIP 63121?

To keep rent at or below 30% of gross income, you would need to earn at least $47,000/year (about $23/hour full-time) to afford the median rent of $1,173/mo in ZIP 63121. The local median household income is $42,701/yr, so the typical household falls short of that bar.

Is rent going up or down in ZIP 63121?

Rent in ZIP 63121 has risen 4.7% over the past year as of September 2026. That is the highest level since Zillow's records here began in December 2021.

How does ZIP 63121 compare to other ZIPs in Missouri?

ZIP 63121 is one of the more affordable among Missouri ZIP codes for rent, ranking #115 of 137 at $1,173/mo. Over the year to September 2026, rent in ZIP 63121 changed +4.7%, against a typical +4.6% across the 119 Missouri ZIP codes Zillow tracks.
Income Affordability
33%
MODERATE

At $1,173/mo, rent takes ~33% of ZIP 63121's median household income ($42,701/yr). The standard benchmark is 30%.

ZIP 63121 33%Benchmark 30%
State income tax2–4.7%
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Public schools near ZIP 63121 (Normandy, MO)

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