Is St. Louis, MO cheaper than Rexburg, ID?

Based on cost of living data, St. Louis, MO is 4.0% cheaper than Rexburg, ID. This translates to saving $298 per month.

What salary do I need in St. Louis, MO to live like I do in Rexburg, ID?

If you earn $150,000 in Rexburg, ID, you'd need approximately $146,425.175 in St. Louis, MO to maintain the same standard of living.

How does housing cost compare between Rexburg, ID and St. Louis, MO?

Housing in St. Louis, MO is 18.6% cheaper than in Rexburg, ID. For a two-bedroom apartment, rent is $1,160/month in St. Louis, MO compared to $814/month in Rexburg, ID.

How much can I save per month by moving from Rexburg, ID to St. Louis, MO?

Moving from Rexburg, ID to St. Louis, MO could save you approximately $298 per month, or $3575 per year, based on a $150,000 salary.

Rexburg, ID vs St. Louis, MO: Cost of Living Comparison 2026

MoveNumbers

Tap to swap

Cost of Living Comparison 2026

📍 Rexburg, ID — ZIP-level rent data · COL adjusted from Boise, ID area

Current salary in Rexburg, ID

Numbers update automatically as you type

You'd save $298/month moving to St. Louis, MO

$150.0K in your current city equals $146.4K in St. Louis, MO

Rent data from HUD ZIP-level estimates · COL index from area

Overall Cost

↓ 4.0%

Less expensive

Monthly Impact

$298

Savings

Annual Impact

$3.6K

Per year

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

Rexburg, ID

Population:40K

Cost Index:100

Median Home:$406K

St. Louis, MO

Population:302K

Cost Index:96

Median Home:$145K

Rexburg, ID

The Gem State

40K

Population

State Tax

Yes

Located in Idaho, this city has a population of 40K 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: Rexburg, ID vs St. Louis, MO

Category	Rexburg, ID	St. Louis, MO	Difference	Change
🏠Housing	$2,299/mo	$1,871/mo	↓ $428less	18.6%
📦Other	$1,517/mo	$1,607/mo	↑ $90.42more	6.0%
⚡All Utilities	$450/mo	$535/mo	↑ $85.89more	19.1%
🚗Transportation	$1,132/mo	$1,216/mo	↑ $83.24more	7.4%
🏥Healthcare	$596/mo	$527/mo	↓ $69.07less	11.6%
🛒Groceries	$905/mo	$949/mo	↑ $43.96more	4.9%

🏠Housing

↓ 18.6%

Rexburg, ID

$2,299

St. Louis, MO

$1,871

Difference

$428

less

📦Other

↑ 6.0%

Rexburg, ID

$1,517

St. Louis, MO

$1,607

Difference

$90.42

⚡All Utilities

↑ 19.1%

Rexburg, ID

$450

St. Louis, MO

$535

Difference

$85.89

🚗Transportation

↑ 7.4%

Rexburg, ID

$1,132

St. Louis, MO

$1,216

Difference

$83.24

🏥Healthcare

↓ 11.6%

Rexburg, ID

$596

St. Louis, MO

$527

Difference

$69.07

less

🛒Groceries

↑ 4.9%

Rexburg, ID

$905

St. Louis, MO

$949

Difference

$43.96

🏛️ Local Income Taxes

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

Rexburg, ID 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$712

To$910

↑ $198

1 Bed

From$741

To$950

↑ $209

2 Bed

From$814

To$1,160

↑ $346

3 Bed

From$1,133

To$1,490

↑ $357

Rexburg, IDZIP-level data

1BR range: $1,020–$1,020/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.

$6,899

Monthly in Rexburg, ID

$6,705

Monthly in St. Louis, MO

$193

Difference

Home Values

Rexburg

St. Louis

$406K

Median Value

$145K

↑ +5.9%

YoY Change

↓ -0.8%

↑ +40.9%

5-Year Change

↑ +10.9%

$406K

Price Range

$38K - $302K

Homes in St. Louis are 64% less expensive than Rexburg

Calculate payment - Rexburg Calculate payment - St. Louis

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

Tax Comparison

Annual tax burden comparison at $150.0K salary

Tax Savings

↑ $8.3K

Per year

Monthly Difference

$693

More take-home

Effective Rate Diff

5.5%

Rate difference

Rexburg, ID

Federal Income Tax

Effective: 18.9%

$25.5K

Idaho State Tax

Effective: 10.8%

$16.2K

FICA Taxes

Social Security + Medicare

$11.5K

Total Taxes

Effective: 35.5%

$53.3K

Take-Home Pay

$8,062/month

$96.7K

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

Rexburg, ID Tax Rates

Sales Tax:6.3%

Property Tax:0.7%

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.