Is St. Louis, MO cheaper than Diamond Bar, CA?

Based on cost of living data, St. Louis, MO is 41.2% cheaper than Diamond Bar, CA. This translates to saving $3092 per month.

What salary do I need in St. Louis, MO to live like I do in Diamond Bar, CA?

If you earn $150,000 in Diamond Bar, CA, you'd need approximately $112,894.709 in St. Louis, MO to maintain the same standard of living.

How does housing cost compare between Diamond Bar, CA and St. Louis, MO?

Housing in St. Louis, MO is 64.0% cheaper than in Diamond Bar, CA. For a two-bedroom apartment, rent is $1,160/month in St. Louis, MO compared to $2,925/month in Diamond Bar, CA.

How much can I save per month by moving from Diamond Bar, CA to St. Louis, MO?

Moving from Diamond Bar, CA to St. Louis, MO could save you approximately $3092 per month, or $37105 per year, based on a $150,000 salary.

Diamond Bar, CA vs St. Louis, MO: Cost of Living Comparison 2026

MoveNumbers

Tap to swap

Cost of Living Comparison 2026

📍 Diamond Bar, CA — ZIP-level rent data · COL adjusted from Santa Ana, CA area

Current salary in Diamond Bar, CA

Numbers update automatically as you type

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

$150.0K in your current city equals $112.9K in St. Louis, MO

Rent data from HUD ZIP-level estimates · COL index from Los Angeles-Long Beach-Anaheim, CA area

Overall Cost

↓ 41.2%

Less expensive

Monthly Impact

$3,092

Savings

Annual Impact

$37.1K

Per year

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

Diamond Bar, CA

Population:52K

Cost Index:100

Median Home:$1.06M

St. Louis, MO

Population:302K

Cost Index:59

Median Home:$145K

Diamond Bar, CA

The Golden State

52K

Population

State Tax

Yes

Located in California, this city has a population of 52K residents.

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: Diamond Bar, CA vs St. Louis, MO

Category	Diamond Bar, CA	St. Louis, MO	Difference	Change
🏠Housing	$5,193/mo	$1,871/mo	↓ $3,322less	64.0%
🚗Transportation	$2,075/mo	$1,216/mo	↓ $859less	41.4%
🛒Groceries	$1,019/mo	$949/mo	↓ $69.59less	6.8%
📦Other	$1,657/mo	$1,607/mo	↓ $50.34less	3.0%
🏥Healthcare	$541/mo	$527/mo	↓ $13.99less	2.6%
⚡All Utilities	$546/mo	$535/mo	↓ $10.95less	2.0%

🏠Housing

↓ 64.0%

Diamond Bar, CA

$5,193

St. Louis, MO

$1,871

Difference

$3,322

less

🚗Transportation

↓ 41.4%

Diamond Bar, CA

$2,075

St. Louis, MO

$1,216

Difference

$859

less

🛒Groceries

↓ 6.8%

Diamond Bar, CA

$1,019

St. Louis, MO

$949

Difference

$69.59

less

📦Other

↓ 3.0%

Diamond Bar, CA

$1,657

St. Louis, MO

$1,607

Difference

$50.34

less

🏥Healthcare

↓ 2.6%

Diamond Bar, CA

$541

St. Louis, MO

$527

Difference

$13.99

less

⚡All Utilities

↓ 2.0%

Diamond Bar, CA

$546

St. Louis, MO

$535

Difference

$10.95

less

🏛️ Local Income Taxes

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

Diamond Bar, CA 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$2,096

To$910

↓ $1,186

1 Bed

From$2,345

To$950

↓ $1,395

2 Bed

From$2,925

To$1,160

↓ $1,765

3 Bed

From$3,709

To$1,490

↓ $2,219

Diamond Bar, CAZIP-level data

1BR range: $2,630–$3,110/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.

$11,031

Monthly in Diamond Bar, CA

$6,705

Monthly in St. Louis, MO

$4,326

Difference

Home Values

Diamond Bar

St. Louis

$1.06M

Median Value

$145K

↓ -0.6%

YoY Change

↓ -0.8%

↑ +34.9%

5-Year Change

↑ +10.9%

$1.00M - $1.12M

Price Range

$38K - $302K

Homes in St. Louis are 86% less expensive than Diamond Bar

Calculate payment - Diamond Bar Calculate payment - St. Louis

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

Tax Comparison

Annual tax burden comparison at $150.0K salary

Tax Savings

↑ $2.7K

Per year

Monthly Difference

$225

More take-home

Effective Rate Diff

1.8%

Rate difference

Diamond Bar, CA

Federal Income Tax

Effective: 18.9%

$25.5K

California State Tax

Effective: 7.1%

$10.6K

FICA Taxes

Social Security + Medicare

$11.5K

Total Taxes

Effective: 31.8%

$47.6K

Take-Home Pay

$8,530/month

$102.4K

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

Diamond Bar, CA Tax Rates

Sales Tax:10.5%

Property Tax:0.8%

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.