Cost of Living Comparison Between Chicago, IL and Boulder, CO
For one person, living is cheaper in Chicago, IL: $3,072 a month against $3,303 in Boulder, CO, rent and utilities included – about $2,800 less a year. Rent and utilities account for most of the difference.
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Chicago, IL Living Index146Cost of Living Index in Chicago, ILLearn more -
Boulder, CO Living Index159Cost of Living Index in Boulder, COLearn more
How much you'll spend in Chicago, IL and in Boulder, CO
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Chicago, IL and in Boulder, CO actually costs, broken down by who's living it.
A single person spends $3,072 per month in Chicago, IL vs $3,303 in Boulder, CO, rent included.
- Chicago, IL $3,072
- Boulder, CO $3,303
A couple spends around $4,545 per month in Chicago, IL vs $4,905 in Boulder, CO, rent included.
- Chicago, IL $4,545
- Boulder, CO $4,905
A family of three spends $6,019 per month in Chicago, IL vs $6,508 in Boulder, CO, rent included.
- Chicago, IL $6,019
- Boulder, CO $6,508
Chicago, IL is about 7% cheaper than Boulder, CO, and outside of rent the biggest gap is in groceries.
Both Chicago, IL and Boulder, CO sit above the global median – Chicago, IL by 127%, Boulder, CO by 144%.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Chicago, IL: November 3, 2026
Last update for Boulder, CO: October 31, 2026
Cost Breakdown
A central one-bedroom costs $2,531 in Chicago, IL versus $2,181 in Boulder, CO. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.
Salaries run about 12% higher in Boulder, CO. Purchasing power depends on which expenses matter most to you.
A mid-range dinner for two costs $89 in Chicago, IL versus $79 in Boulder, CO. Groceries tell a different story – $439 in Chicago, IL vs $472 in Boulder, CO – so Chicago, IL wins on supermarket bills even if dining out costs more.
- Chicago, IL Boulder, CO 1,520 km ≈ 2 h 30 min nonstop flight
- Chicago, IL
- Boulder, CO
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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