Cost of Living Comparison Between Chicago, IL and San Mateo, CA
For one person, living is cheaper in Chicago, IL: $3,037 a month against $4,607 in San Mateo, CA, rent and utilities included – about $18,800 less a year. Rent and utilities account for most of the difference.
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Chicago, IL Living Index147Cost of Living Index in Chicago, ILLearn more -
San Mateo, CA Living Index223Cost of Living Index in San Mateo, CALearn more
How much you'll spend in Chicago, IL and in San Mateo, CA
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 San Mateo, CA actually costs, broken down by who's living it.
A single person spends $3,037 per month in Chicago, IL vs $4,607 in San Mateo, CA, rent included.
- Chicago, IL $3,037
- San Mateo, CA $4,607
A couple spends around $4,518 per month in Chicago, IL vs $6,460 in San Mateo, CA, rent included.
- Chicago, IL $4,518
- San Mateo, CA $6,460
A family of three spends $5,999 per month in Chicago, IL vs $8,313 in San Mateo, CA, rent included.
- Chicago, IL $5,999
- San Mateo, CA $8,313
Chicago, IL is about 34% cheaper than San Mateo, CA, and outside of rent the biggest gap is in groceries.
Both Chicago, IL and San Mateo, CA sit above the global median – Chicago, IL by 123%, San Mateo, CA by 238%.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Chicago, IL: October 25, 2026
Last update for San Mateo, CA: October 27, 2026
Cost Breakdown
A central one-bedroom costs $2,526 in Chicago, IL versus $3,414 in San Mateo, CA. 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 55% higher in San Mateo, CA. Purchasing power depends on which expenses matter most to you.
A mid-range dinner for two costs $89 in Chicago, IL versus $101 in San Mateo, CA. Monthly groceries follow the same trend: $447 vs $522 – making Chicago, IL the more affordable choice for daily food spending.
- Chicago, IL San Mateo, CA 2,990 km ≈ 4 h 15 min nonstop flight
- Chicago, IL
- San Mateo, CA
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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