Is Indianapolis, IN cheaper than Castle Rock, CO?

Based on cost of living data, Indianapolis, IN is 16.8% cheaper than Castle Rock, CO. This translates to saving $1261 per month.

What salary do I need in Indianapolis, IN to live like I do in Castle Rock, CO?

If you earn $150,000 in Castle Rock, CO, you'd need approximately $134,872.541 in Indianapolis, IN to maintain the same standard of living.

How does housing cost compare between Castle Rock, CO and Indianapolis, IN?

Housing in Indianapolis, IN is 29.9% cheaper than in Castle Rock, CO. For a two-bedroom apartment, rent is $1,360/month in Indianapolis, IN compared to $1,754/month in Castle Rock, CO.

How much can I save per month by moving from Castle Rock, CO to Indianapolis, IN?

Moving from Castle Rock, CO to Indianapolis, IN could save you approximately $1261 per month, or $15127 per year, based on a $150,000 salary.

Castle Rock, CO vs Indianapolis, IN: Cost of Living Comparison 2026

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Cost of Living Comparison 2026

📍 Castle Rock, CO — ZIP-level rent data · COL adjusted from Denver, CO area

Current salary in Castle Rock, CO

Numbers update automatically as you type

You'd save $1.3K/month moving to Indianapolis, IN

$150.0K in your current city equals $134.9K in Indianapolis, IN

Rent data from HUD ZIP-level estimates · COL index from Denver-Aurora-Lakewood, CO area

Overall Cost

↓ 16.8%

Less expensive

Monthly Impact

$1,261

Savings

Annual Impact

$15.1K

Per year

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

Castle Rock, CO

Population:81K

Cost Index:100

Median Home:$604K

Indianapolis, IN

Population:888K

Cost Index:83

Median Home:$176K

Castle Rock, CO

The Centennial State

81K

Population

State Tax

Yes

Located in Colorado, this city has a population of 81K residents.

Indianapolis, IN

The Hoosier State

888K

Population

State Tax

Yes

Located in Indiana, this city has a population of 888K residents.

Cost Breakdown by Category

Annual spending: Castle Rock, CO vs Indianapolis, IN

Category	Castle Rock, CO	Indianapolis, IN	Difference	Change
🏠Housing	$2,779/mo	$1,949/mo	↓ $830less	29.9%
🚗Transportation	$1,390/mo	$1,188/mo	↓ $201less	14.5%
📦Other	$1,687/mo	$1,590/mo	↓ $96.67less	5.7%
🛒Groceries	$1,004/mo	$919/mo	↓ $84.23less	8.4%
🏥Healthcare	$616/mo	$582/mo	↓ $33.79less	5.5%
⚡All Utilities	$506/mo	$503/mo	↓ $3.44less	0.7%

🏠Housing

↓ 29.9%

Castle Rock, CO

$2,779

Indianapolis, IN

$1,949

Difference

$830

less

🚗Transportation

↓ 14.5%

Castle Rock, CO

$1,390

Indianapolis, IN

$1,188

Difference

$201

less

📦Other

↓ 5.7%

Castle Rock, CO

$1,687

Indianapolis, IN

$1,590

Difference

$96.67

less

🛒Groceries

↓ 8.4%

Castle Rock, CO

$1,004

Indianapolis, IN

$919

Difference

$84.23

less

🏥Healthcare

↓ 5.5%

Castle Rock, CO

$616

Indianapolis, IN

$582

Difference

$33.79

less

⚡All Utilities

↓ 0.7%

Castle Rock, CO

$506

Indianapolis, IN

$503

Difference

$3.44

less

🏛️ Local Income Taxes

Indianapolis, IN: Marion County Income Tax$3,030/yr (2.0%)

Castle Rock, CO 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$1,382

To$1,030

↓ $352

1 Bed

From$1,471

To$1,170

↓ $301

2 Bed

From$1,754

To$1,360

↓ $394

3 Bed

From$2,295

To$1,760

↓ $535

Castle Rock, COZIP-level data

1BR range: $1,820–$1,820/mo

Indianapolis, INZIP-level data

1BR range: $1,080–$1,870/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.

$7,982

Monthly in Castle Rock, CO

$6,732

Monthly in Indianapolis, IN

$1,250

Difference

Home Values

Castle Rock

Indianapolis

$604K

Median Value

$176K

↓ -2%

YoY Change

↓ -1.1%

↑ +26.2%

5-Year Change

↑ +26.9%

$604K

Price Range

$109K - $340K

Homes in Indianapolis are 71% less expensive than Castle Rock

Calculate payment - Castle Rock Calculate payment - Indianapolis

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

Tax Comparison

Annual tax burden comparison at $150.0K salary

Tax Savings

↑ $1.8K

Per year

Monthly Difference

$146

More take-home

Effective Rate Diff

1.2%

Rate difference

Castle Rock, 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

Indianapolis, IN

Federal Income Tax

Effective: 18.9%

$25.5K

Indiana State Tax

Effective: 3.2%

$4.8K

FICA Taxes

Social Security + Medicare

$11.5K

Total Taxes

Effective: 27.9%

$41.9K

Take-Home Pay

$9,012/month

$108.1K

Additional Tax Information

Castle Rock, CO Tax Rates

Sales Tax:7.8%

Property Tax:0.5%

Indianapolis, IN Tax Rates

Sales Tax:7.0%

Property Tax:0.9%

💡 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.