Cost of Living in St. Louis County, Missouri
At a Glance
Rent burden measured as median gross rent as a percentage of renter household income (Census ACS B25071)
How St. Louis County Compares
Median monthly rent comparison
Detailed Housing Stats
Data Story
About Cost of Living in St. Louis County, Missouri
St. Louis County balances suburban prosperity
St. Louis County renters spend 17.2% of income on housing, slightly above Missouri's 15.6% average but below many comparable suburban counties nationwide. The county's $81,340 median household income—9% above the national average—manages higher rents ($1,164/month) with relative ease.
Upper-tier affordability among suburbs
St. Louis County ranks in the better half of Missouri counties, with a 17.2% rent-to-income ratio that reflects higher incomes offsetting premium suburban housing costs. This positions it as more affordable than St. Louis City but less accessible than rural peer counties.
Suburban premium with suburban earnings
St. Louis County rents ($1,164/month) exceed rural peers like Shelby and Stoddard by $400+, yet household incomes here average $81,340—the second-highest in the peer group. This wage premium justifies higher absolute costs while maintaining reasonable affordability ratios.
Balanced suburban budget allocation
A St. Louis County household earning $81,340 annually ($6,778/month) dedicates $1,164 to rent or $1,320 to mortgage, consuming 17-19% of gross income. This leaves approximately $5,500 monthly for discretionary spending, supporting a comfortable suburban lifestyle.
St. Louis County for suburban balance
St. Louis County appeals to households earning $75,000+ seeking suburban amenities with better affordability than St. Louis City and more services than rural alternatives. If you're earning a solid middle-class income, this county's combination of access, schools, and manageable housing costs rewards relocation.
Affordability Calculator
See how your income compares to housing costs in St. Louis County
Rent Burden
17.2%
of gross income
Max Housing (28% Rule)
$1,898
per month
Owner Cost Burden
19.5%
of gross income
The median home in St. Louis County may be a stretch
Median home value is $260,700. Estimated monthly cost: $2,081 vs. your max of $1,898.
Rent Affordability Guide
Frequently Asked Questions
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See Today's RatesData: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2019-2023) — Informational only. Not financial or legal advice.