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City Report · MO

Affton

Pop. 19,052·10th most expensive in Missouri·Rental market data updated monthly for Affton, MO
Median rent (all units)
$1,759/mo
Year-over-Year
Stable
Month-over-Month
-1.2%
vs US Median
-$206
Falling (Monthly)
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Most AffordableMost Expensive
Affton · $1,759
More affordable than 57% of US cities · National median $1,965/mo
Affordability
27% of income
AFFORDABLE
0%30% benchmark60%+

At $1,759/mo, rent takes about 27% of the local median household income, comfortably within the 30% benchmark.

Income to afford
$70,000/yr
Local median income
$79,539/yr
Based on the 30%-of-income rule using Affton's median rent and household income. See the full affordability breakdown →
Medians by bedroom

Rent by unit size

Studio
$920
1 BR
$960
2 BR
$1,180
3 BR
$1,520
4 BR+
$1,750
Research median
$1,180/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
$21,108/yr
At $1,759/mo median
Rent Market Meter
Renter's Market
Renter's MarketBalancedLandlord's Market
Rents are softening (down 0.0% YoY), so renters have negotiating leverage.
Based on rent-price momentum (+0.0% YoY, -1.2% MoM), not inventory.
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Demographics

Who lives here

Affton, MO is majority owner-occupied, 36.6% of residents hold a bachelor's degree or higher.

Population
19,052
Median income
$79,539
Median age
42
Renters
19.2%
Age distribution
17.5%
21.2%
25.2%
16.6%
19.5%
Under 1817.5%
18–3421.2%
35–5425.2%
55–6416.6%
65+19.5%
Gender
48.9%
51.1%
Male48.9%
Female51.1%
Race & ethnicity
82.5%
White82.5%
Black3.2%
Hispanic5.9%
Asian2.1%
Other6.3%
Education (25+)
23.3%
32%
36.6%
No HS diploma8.1%
HS diploma23.3%
Some college32%
Bachelor's+36.6%
Housing tenure
80.8%
19.2%
Owner80.8%
Renter19.2%

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

2021 vs 2026

How Affton, MO has changed in 5 years

Income
$70,330 → $79,539
up 13.1%
Population
18,925 → 19,052
up 0.7%
Renter share
24.1% → 19.2%
-4.9 pts
Bachelor's+
32.8% → 36.6%
+3.8 pts
Median age
42.5 → 42
-0.5 yrs

On the earnings side, the typical household in Affton, MO now reports about $79,539, up from $70,330 in 2021. The renter share has eased from 24.1% to 19.2%, with owner-occupied housing accounting for the remainder. Bachelor's-degree-or-higher attainment moved from 32.8% to 36.6% across the same window.

Community

Discussions about Affton

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View Affton rent history (2015–2026) →
Salary vs rent

Can you afford rent in Affton on your salary?

At $1,759/mo, how Affton rent compares to typical pay (30% rule).

By apartment size

Affton rent by bedroom count

Median rent for each apartment size in Affton. Click any size for full breakdown.

Local insights

Tips for renters in Affton

About renting in Affton, MO

Last updated: July 20, 2026

The median rent in Affton is $1,759/mo as of July 2026. A studio apartment averages $920/mo while a 2-bedroom runs $1,180/mo. One-bedroom apartments average $960/mo and 3-bedroom units go for $1,520/mo.

At 27% of local median household income ($79,539/yr), Affton ranks as affordable compared to the national benchmark of 30%. Rent prices have stayed steady over the past year.

FAQ

Frequently asked questions

Is Affton an affordable city for renters?

Affton is considered affordable for renters. At $1,759/mo, rent takes approximately 27% of the local median household income ($79,539/yr). The standard benchmark is 30%. Affton falls comfortably within that range.

How much income do you need to rent in Affton?

To keep rent at or below 30% of gross income, you would need to earn at least $70,000/year (~$34/hour full-time) to afford the median rent of $1,759/mo in Affton. The local median household income is $79,539/yr, meaning the typical Affton household meets that threshold.

Is rent going up or down in Affton?

Rent in Affton has been relatively stable over the past year, with a 0.0% change year over year as of July 2026.

How does Affton rent compare to other cities in Missouri?

Affton is one of the pricier cities in Missouri for rent, ranking #10 out of 74 tracked cities at $1,759/mo.

Which nearby cities are cheaper to rent in than Affton?

Several nearby cities have lower median rents than Affton ($1,759/mo): Mehlville ($1,175/mo), Maplewood ($1,414/mo), Sappington ($1,428/mo).

What percentage of Affton residents rent vs. own?

According to Census data, approximately 19.2% of Affton households are renters, while 80.8% are owner-occupied. Affton leans toward homeownership, which can mean a smaller rental inventory.

How does Affton rent compare to the national average?

Affton's median rent of $1,759/mo is $206 (10%) below the US national median of $1,965/mo. Within Missouri, it ranks #10 out of 74 tracked cities.
Income Affordability
27%
AFFORDABLE

At $1,759/mo, rent takes ~27% of Affton's median household income ($79,539/yr). The standard benchmark is 30%.

Affton 27%Benchmark 30%
State income tax2–4.7%
Run the Affton affordability calculator →
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Neighborhoods

Estimated from ZIP-level data

Schools nearby

Public schools near Affton, MO

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