CostIndexUSA

Boston, MA vs St. Louis, MO Cost of Living

Data: BEA Regional Price Parities · Census ACS · 2024

MA
Boston
108.3
overall index
$3,050/mo rent
More AffordableMO
St. Louis
95.1
overall index
$1,400/mo rent

St. Louis is moderately cheaper than Boston — 12.2% lower overall cost of living.

To match an $80,000 salary in Boston, you would need $70,200 in St. Louis. Calculate your salary ↓

Category Breakdown

Index values: 100 = U.S. national average. Higher = more expensive.

🏠 Housing46.8%
Boston
148.4
St. Louis
79
🛒 Groceries≈ Equal
Boston
99.7
St. Louis
100
🚗 Transportation4.8%
Boston
108.8
St. Louis
103.6
🏥 Healthcare4.8%
Boston
98.4
St. Louis
93.7
Utilities53.0%
Boston
148.8
St. Louis
69.9

Salary Equivalency Calculator

Enter your current salary in Boston to see what you'd need to earn in St. Louis to maintain the same purchasing power.

$
Equivalent salary in St. Louis, MO
$70,200
$9,800 less needed in St. Louis

Formula: salary × (95.1 ÷ 108.3) = salary × 0.8781. Based on BEA Regional Price Parities.

Housing Market

Boston, MA

Median Home Price
$709,000
Median Monthly Rent
$3,050
Housing Index
148.4
Price-to-Rent Ratio
19.4×

St. Louis, MO

Median Home Price
$262,000
Median Monthly Rent
$1,400
Housing Index
79
Price-to-Rent Ratio
15.6×

Boston has 46.8% lower housing costs compared to St. Louis.

Income & Job Market

Boston, MA

Median Household Income
$110,700
Per Capita Income
$63,100
Unemployment Rate
3.8%
Population
692,600
Top Industries
HealthcareEducationFinanceTechnologyBiotechnology

St. Louis, MO

Median Household Income
$78,200
Per Capita Income
$44,600
Unemployment Rate
3.6%
Population
319,294
Top Industries
HealthcareFinanceManufacturingTechnologyEducation

Affordability at a Glance

Income-to-rent ratio: higher is better (more income relative to housing costs).

Boston, MA
3.0×income-to-rent ratio

67% of income left after rent (median)

St. Louis, MO
4.7×income-to-rent ratio

79% of income left after rent (median)

Data Sources: Bureau of Economic Analysis (BEA) Regional Price Parities 2024; U.S. Census Bureau American Community Survey (ACS); Bureau of Labor Statistics (BLS) Local Area Unemployment Statistics; Zillow Research.

Cost indices use 100 as the U.S. national average. Values above 100 indicate costs above the national average. Data is updated annually.

This data is for informational purposes only and should not be used as the sole basis for relocation or financial decisions.