The median home in Affton, Missouri is valued at $231,798, up 0.5% year over year. Typical monthly rent is $1,524, producing a price-to-rent ratio of 12.7x — below the national average of 18x. Affton is part of the St. Louis, MO-IL metropolitan area, which CrashWatch tracks daily with real-time stress scores and crash risk analysis.

Home Value$231,798

+0.5%

Rent$1,524/mo

Prices rising — worse for buyers.

Affordability

Enter your income for Affton.

Income (annual)

Down Payment

$46,360 on $231,798

Example: $75,000 household income. Change it above to see your own.

Affordable24.4% of income

Under the 28% guideline.

PITI$1,526

P/I24.4%

Afford$266K

Room+$34K

P&I $1,172Tax $187Ins $167

Renting $2/mo cheaper ($1,524 rent)6.50% 30yr, 20% down, county tax + MO ins. 28% per HUD.

Home Buying Kit For Dummies (2025)Financing, negotiation, closing

Other cities in Missouri

Compare Affton with other housing markets across Missouri.

Huntleigh$2.29M Village of Loch Lloyd$1.29M Ladue$1.27M Westwood$1.24M Frontenac$1.2M Town and Country$1.09M Clarkson Valley$876K Clayton$830K

Full St. Louis, MO-IL analysis

Stress scores, crash risk, early warning signals, and 12-month price forecasts for the St. Louis, MO-IL metro.

View St. Louis, MO-IL metro

Weekly briefing

Every Monday — score changes, top movers, and what shifted. Free.

Affton, MO