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Boston, MA

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St. Louis, MO

Cost of Living Comparison 2026

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You'd save $3.1K/month moving to St. Louis, MO

$150.0K in your current city equals $112.6K in St. Louis, MO

Rent data from HUD ZIP-level estimates · COL index from Boston-Cambridge-Newton, MA-NH area
Overall Cost
41.6%
Less expensive
Monthly Impact
$3,121
Savings
Annual Impact
$37.4K
Per year

Based on monthly living costs (rent, groceries, utilities, transport, healthcare). Home purchase prices shown separately below.

Boston, MA

Population:685K
Cost Index:100
Median Home:$961K

St. Louis, MO

Population:302K
Cost Index:58
Median Home:$145K

Boston, MA

The Bay State

685K
Population
State Tax
Yes
Climate
Continental

Notable Facts

  • Major education center
  • Biotech capital
  • Historic American city

Major Industries

EducationHealthcareTechnologyFinance

St. Louis, MO

The Show-Me State

302K
Population
State Tax
Yes

Located in Missouri, this city has a population of 302K residents.

Cost Breakdown by Category

Annual spending: Boston, MA vs St. Louis, MO

🏠Housing
64.5%
Boston, MA
$5,275
St. Louis, MO
$1,871
Difference
$3,404
less
🚗Transportation
33.6%
Boston, MA
$1,830
St. Louis, MO
$1,216
Difference
$615
less
📦Other
11.9%
Boston, MA
$1,825
St. Louis, MO
$1,607
Difference
$218
less
🏥Healthcare
29.2%
Boston, MA
$743
St. Louis, MO
$527
Difference
$217
less
All Utilities
25.2%
Boston, MA
$716
St. Louis, MO
$535
Difference
$180
less
🛒Groceries
12.0%
Boston, MA
$1,079
St. Louis, MO
$949
Difference
$130
less

🏛️ Local Income Taxes

St. Louis, MO: St. Louis Earnings Tax$1,500/yr (1.0%)

Boston, MA has no local income tax.

Local taxes are in addition to state income tax. Not all cities levy local income taxes.

🏠Rent Comparison

Studio
From$3,095
To$910
$2,185
1 Bed
From$3,255
To$950
$2,305
2 Bed
From$3,865
To$1,160
$2,705
3 Bed
From$4,630
To$1,490
$3,140
Boston, MAZIP-level data

1BR range: $2,560$3,710/mo

St. Louis, MOZIP-level data

1BR range: $800$1,480/mo

💡 Note: Rent prices are based on HUD Fair Market Rent data and represent median costs. Actual prices vary by neighborhood, amenities, and condition. Source: HUD Small Area Fair Market Rents FY2026.

$11,469
Monthly in Boston, MA
$6,705
Monthly in St. Louis, MO
$4,764
Difference

Home Values

Boston
St. Louis
$961K
Median Value
$145K
↓ -0.7%
YoY Change
↓ -0.8%
↑ +7%
5-Year Change
↑ +10.9%
$709K - $3.40M
Price Range
$38K - $302K

Homes in St. Louis are 85% less expensive than Boston

Source: Zillow Home Value Index (ZHVI), January 2026

Tax Comparison

Annual tax burden comparison at $150.0K salary

Tax Savings
$429
More taxes
Monthly Difference
$35.75
Less take-home
Effective Rate Diff
0.3%
Rate difference

Boston, MA

Federal Income Tax
Effective: 18.9%
$25.5K
Massachusetts State Tax
Effective: 5.0%
$7.5K
FICA Taxes
Social Security + Medicare
$11.5K
Total Taxes
Effective: 29.7%
$44.5K
Take-Home Pay
$8,791/month
$105.5K

St. Louis, MO

Federal Income Tax
Effective: 18.9%
$25.5K
Missouri State Tax
Effective: 5.3%
$7.9K
FICA Taxes
Social Security + Medicare
$11.5K
Total Taxes
Effective: 30.0%
$44.9K
Take-Home Pay
$8,755/month
$105.1K

Additional Tax Information

Boston, MA Tax Rates

Sales Tax:6.3%
Property Tax:1.2%

St. Louis, MO Tax Rates

Sales Tax:8.2%
Property Tax:1.0%

💡 Note: Tax calculations are estimates based on 2024/2025 tax brackets for single filers with standard deduction. Actual taxes may vary based on filing status, deductions, credits, and local variations.

Environment

Boston
St. Louis
36 Good
Air Quality
54 Moderate
79.5%
Good Air Days
38%
94 Moderate
Climate Risk
99 High
🌊🌅🌀
Top Hazards
🌊🌡🫨
+2.5°F
2050 Outlook
+3.0°F
6 days
Heat Days >95°F
39 days
+2.5°F
2050 Outlook
+3.0°F
6 days
Heat Days >95°F
39 days

💰 See how taxes change too — compare take-home pay between Massachusetts and Missouri on TaxTakeHome.com

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