Chicago vs Boulder

Category-by-Category Breakdown

Index values shown. National average = 100. Lower is cheaper.

💰 Salary Equivalence

To maintain the same standard of living:

See exact take-home pay: Illinois salaries · Colorado salaries

Living in Chicago vs Boulder

Housing is typically the biggest factor in any cost-of-living comparison. Chicago has a housing index of 112 while Boulder sits at 230 (national average = 100). The median home in Chicago costs $310,000 compared to $750,000 in Boulder, a difference of $440,000. Monthly rent follows a similar pattern: $1,700 in Chicago versus $2,300 in Boulder.

Groceries and everyday expenses show a narrower gap: Chicago scores 104 while Boulder scores 107.

Healthcare costs in Chicago (101) are lower than Boulder (104). Both are close to the national average.

Median household income in Chicago is $62,097 compared to $73,123 in Boulder. When adjusted for cost of living, income goes further in Chicago.

Relocating: Chicago vs Boulder

If you are considering a move between Chicago (index: 107) and Boulder (index: 148), the 28% cost difference has real implications for your budget. Chicago is the more affordable option, but the right choice depends on your income, career opportunities, and lifestyle priorities.

Housing budget reality: Using the 28% rule (spending no more than 28% of gross income on housing), the median household in Chicago can afford $1,449/month, while the median household in Boulder can afford $1,706/month. With median homes at $310,000 in Chicago versus $750,000 in Boulder, the higher-cost city presents significant affordability challenges.

Renting vs buying: At $1,700/month in Chicago and $2,300/month in Boulder, renters save significantly in Chicago. The rent-to-own ratio in each city determines whether renting or buying offers better value for your situation.

Income adjustment: A $75,000 salary goes significantly further in Chicago. Before accepting a job in either city, use the salary equivalence data above to understand what you would need to earn to maintain your current standard of living.

Reading These Numbers: Chicago (107) vs Boulder (148)

The cost of living index uses 100 as the national average. Chicago at 107 is 7% above the US average, while Boulder at 148 is 48% above average. There is a meaningful cost gap between these two cities that affects day-to-day budgeting.

The overall index is a weighted average of housing (the largest component), groceries, utilities, transportation, and healthcare. Housing typically drives the biggest differences between cities. Even when two cities have similar overall indices, their category-level costs can vary significantly — one city might have expensive housing but cheap groceries, while another is the reverse. Check the category breakdown above for the full picture.

For renters: With median rents of $1,700/month in Chicago and $2,300/month in Boulder, the annual rent difference is approximately $7,200. Over a 5-year period, that compounds to $36,000 in savings by choosing the more affordable city.

For homebuyers: The $440,000 difference in median home prices between Chicago and Boulder translates to roughly $26,400 per month in mortgage payments at current rates. Factor this into your budget alongside property taxes and insurance, which also vary by location.

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