Is St. Louis, MO cheaper than Oak Lawn, IL?

Based on cost of living data, St. Louis, MO is 12.1% cheaper than Oak Lawn, IL. This translates to saving $906 per month.

What salary do I need in St. Louis, MO to live like I do in Oak Lawn, IL?

If you earn $150,000 in Oak Lawn, IL, you'd need approximately $139,129.857 in St. Louis, MO to maintain the same standard of living.

How does housing cost compare between Oak Lawn, IL and St. Louis, MO?

Housing in St. Louis, MO is 25.9% cheaper than in Oak Lawn, IL. For a two-bedroom apartment, rent is $1,160/month in St. Louis, MO compared to $1,276/month in Oak Lawn, IL.

How much can I save per month by moving from Oak Lawn, IL to St. Louis, MO?

Moving from Oak Lawn, IL to St. Louis, MO could save you approximately $906 per month, or $10870 per year, based on a $150,000 salary.

Oak Lawn, IL vs St. Louis, MO: Cost of Living Comparison 2026

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Cost of Living Comparison 2026

📍 Oak Lawn, IL — ZIP-level rent data · COL adjusted from Chicago, IL area

Current salary in Oak Lawn, IL

Numbers update automatically as you type

You'd save $906/month moving to St. Louis, MO

$150.0K in your current city equals $139.1K in St. Louis, MO

Rent data from HUD ZIP-level estimates · COL index from Chicago-Naperville-Elgin, IL-IN-WI area

Overall Cost

↓ 12.1%

Less expensive

Monthly Impact

$906

Savings

Annual Impact

$10.9K

Per year

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

Oak Lawn, IL

Population:56K

Cost Index:100

Median Home:$274K

St. Louis, MO

Population:302K

Cost Index:88

Median Home:$145K

Oak Lawn, IL

The Prairie State

56K

Population

State Tax

Yes

Located in Illinois, this city has a population of 56K 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: Oak Lawn, IL vs St. Louis, MO

Category	Oak Lawn, IL	St. Louis, MO	Difference	Change
🏠Housing	$2,526/mo	$1,871/mo	↓ $655less	25.9%
🚗Transportation	$1,538/mo	$1,216/mo	↓ $322less	21.0%
🏥Healthcare	$569/mo	$527/mo	↓ $42.43less	7.5%
⚡All Utilities	$497/mo	$535/mo	↑ $38.84more	7.8%
🛒Groceries	$985/mo	$949/mo	↓ $35.42less	3.6%
📦Other	$1,609/mo	$1,607/mo	↓ $1.90less	0.1%

🏠Housing

↓ 25.9%

Oak Lawn, IL

$2,526

St. Louis, MO

$1,871

Difference

$655

less

🚗Transportation

↓ 21.0%

Oak Lawn, IL

$1,538

St. Louis, MO

$1,216

Difference

$322

less

🏥Healthcare

↓ 7.5%

Oak Lawn, IL

$569

St. Louis, MO

$527

Difference

$42.43

less

⚡All Utilities

↑ 7.8%

Oak Lawn, IL

$497

St. Louis, MO

$535

Difference

$38.84

🛒Groceries

↓ 3.6%

Oak Lawn, IL

$985

St. Louis, MO

$949

Difference

$35.42

less

📦Other

↓ 0.1%

Oak Lawn, IL

$1,609

St. Louis, MO

$1,607

Difference

$1.90

less

🏛️ Local Income Taxes

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

Oak Lawn, IL 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$1,058

To$910

↓ $148

1 Bed

From$1,136

To$950

↓ $186

2 Bed

From$1,276

To$1,160

↓ $116

3 Bed

From$1,642

To$1,490

↓ $152

Oak Lawn, ILZIP-level data

1BR range: $1,460–$1,460/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.

$7,724

Monthly in Oak Lawn, IL

$6,705

Monthly in St. Louis, MO

$1,018

Difference

Home Values

Oak Lawn

St. Louis

$274K

Median Value

$145K

↑ +4.5%

YoY Change

↓ -0.8%

↑ +36.2%

5-Year Change

↑ +10.9%

$274K

Price Range

$38K - $302K

Homes in St. Louis are 47% less expensive than Oak Lawn

Calculate payment - Oak Lawn Calculate payment - St. Louis

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

Tax Comparison

Annual tax burden comparison at $150.0K salary

Tax Savings

↓ $504

More taxes

Monthly Difference

$42.00

Less take-home

Effective Rate Diff

0.3%

Rate difference

Oak Lawn, IL

Federal Income Tax

Effective: 18.9%

$25.5K

Illinois State Tax

Effective: 5.0%

$7.4K

FICA Taxes

Social Security + Medicare

$11.5K

Total Taxes

Effective: 29.6%

$44.4K

Take-Home Pay

$8,797/month

$105.6K

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

Oak Lawn, IL Tax Rates

Sales Tax:8.8%

Property Tax:2.2%

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.