Is Denver, CO cheaper than Mount Prospect, IL?

Based on cost of living data, Denver, CO is 11.2% more expensive than Mount Prospect, IL. This translates to spending an extra $843 per month.

What salary do I need in Denver, CO to live like I do in Mount Prospect, IL?

If you earn $150,000 in Mount Prospect, IL, you'd need approximately $160,111.236 in Denver, CO to maintain the same standard of living.

How does housing cost compare between Mount Prospect, IL and Denver, CO?

Housing in Denver, CO is 28.7% more expensive than in Mount Prospect, IL. For a two-bedroom apartment, rent is $2,190/month in Denver, CO compared to $1,485/month in Mount Prospect, IL.

How much can I save per month by moving from Mount Prospect, IL to Denver, CO?

Living in Denver, CO costs approximately $843 more per month than Mount Prospect, IL, or $10111 more per year, based on a $150,000 salary.

Mount Prospect, IL vs Denver, CO: Cost of Living Comparison 2026

MoveNumbers

Tap to swap

Cost of Living Comparison 2026

📍 Mount Prospect, IL — ZIP-level rent data · COL adjusted from Chicago, IL area

Current salary in Mount Prospect, IL

Numbers update automatically as you type

You'd spend $843/month more in Denver, CO

$150.0K in your current city equals $160.1K in Denver, CO

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

Overall Cost

↑ 11.2%

More expensive

Monthly Impact

$843

Extra cost

Annual Impact

$10.1K

Per year

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

Mount Prospect, IL

Population:54K

Cost Index:100

Median Home:$416K

Denver, CO

Population:716K

Cost Index:111

Median Home:$513K

Mount Prospect, IL

The Prairie State

54K

Population

State Tax

Yes

Located in Illinois, this city has a population of 54K residents.

Denver, CO

The Centennial State

716K

Population

State Tax

Yes

Climate

Semi-arid

Notable Facts

•Mile-high city (5,280 ft)
•Outdoor recreation hub
•Major cannabis market

Major Industries

AerospaceTechnologyEnergyTourism

Cost Breakdown by Category

Annual spending: Mount Prospect, IL vs Denver, CO

Category	Mount Prospect, IL	Denver, CO	Difference	Change
🏠Housing	$2,525/mo	$3,248/mo	↑ $724more	28.7%
📦Other	$1,608/mo	$1,774/mo	↑ $166more	10.4%
🚗Transportation	$1,537/mo	$1,462/mo	↓ $75.41less	4.9%
🏥Healthcare	$569/mo	$632/mo	↑ $63.08more	11.1%
🛒Groceries	$984/mo	$1,029/mo	↑ $44.82more	4.6%
⚡All Utilities	$496/mo	$519/mo	↑ $22.61more	4.6%

🏠Housing

↑ 28.7%

Mount Prospect, IL

$2,525

Denver, CO

$3,248

Difference

$724

📦Other

↑ 10.4%

Mount Prospect, IL

$1,608

Denver, CO

$1,774

Difference

$166

🚗Transportation

↓ 4.9%

Mount Prospect, IL

$1,537

Denver, CO

$1,462

Difference

$75.41

less

🏥Healthcare

↑ 11.1%

Mount Prospect, IL

$569

Denver, CO

$632

Difference

$63.08

🛒Groceries

↑ 4.6%

Mount Prospect, IL

$984

Denver, CO

$1,029

Difference

$44.82

⚡All Utilities

↑ 4.6%

Mount Prospect, IL

$496

Denver, CO

$519

Difference

$22.61

🏛️ Local Income Taxes

Denver, CO: Denver Head Tax ($5.75/mo, negligible)$69.00/yr (0.0%)

Mount Prospect, 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$1,236

To$1,720

↑ $484

1 Bed

From$1,322

To$1,840

↑ $518

2 Bed

From$1,485

To$2,190

↑ $705

3 Bed

From$1,913

To$2,870

↑ $957

Mount Prospect, ILZIP-level data

1BR range: $1,700–$1,700/mo

Denver, COZIP-level data

1BR range: $1,620–$2,540/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.

$7,719

Monthly in Mount Prospect, IL

$8,665

Monthly in Denver, CO

$945

Difference

Home Values

Mount Prospect

Denver

$416K

Median Value

$513K

↑ +6.5%

YoY Change

↓ -4.2%

↑ +37.7%

5-Year Change

↑ +13%

$416K

Price Range

$352K - $933K

Homes in Denver are 23% more expensive than Mount Prospect

Calculate payment - Mount Prospect Calculate payment - Denver

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

Tax Comparison

Annual tax burden comparison at $150.0K salary

Tax Savings

↑ $825

Per year

Monthly Difference

$68.75

More take-home

Effective Rate Diff

0.6%

Rate difference

Mount Prospect, 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

Denver, CO

Federal Income Tax

Effective: 18.9%

$25.5K

Colorado State Tax

Effective: 4.4%

$6.6K

FICA Taxes

Social Security + Medicare

$11.5K

Total Taxes

Effective: 29.1%

$43.6K

Take-Home Pay

$8,866/month

$106.4K

Additional Tax Information

Mount Prospect, IL Tax Rates

Sales Tax:8.8%

Property Tax:2.2%

Denver, CO Tax Rates

Sales Tax:7.8%

Property Tax:0.5%

💡 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.