Cost of Living Comparison Between San Mateo, CA and Chicago, IL
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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San Mateo, CA Living Index223Cost of Living Index in San Mateo, CALearn more -
Chicago, IL Living Index147Cost of Living Index in Chicago, ILLearn more
How much you'll spend in San Mateo, CA and in Chicago, IL
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in San Mateo, CA and in Chicago, IL actually costs, broken down by who's living it.
A single person spends $4,607 per month in San Mateo, CA vs $3,037 in Chicago, IL, rent included.
- San Mateo, CA $4,607
- Chicago, IL $3,037
A couple spends around $6,460 per month in San Mateo, CA vs $4,518 in Chicago, IL, rent included.
- San Mateo, CA $6,460
- Chicago, IL $4,518
A family of three spends $8,313 per month in San Mateo, CA vs $5,999 in Chicago, IL, rent included.
- San Mateo, CA $8,313
- Chicago, IL $5,999
San Mateo, CA costs about 52% more than Chicago, IL, and outside of rent the biggest gap is in groceries.
Both San Mateo, CA and Chicago, IL sit above the global median – San Mateo, CA by 238%, Chicago, IL by 123%.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for San Mateo, CA: October 27, 2026
Last update for Chicago, IL: October 25, 2026
Cost Breakdown
A central one-bedroom costs $3,414 in San Mateo, CA versus $2,526 in Chicago, IL. 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 $101 in San Mateo, CA versus $89 in Chicago, IL. Monthly groceries follow the same trend: $522 vs $447 – making Chicago, IL the more affordable choice for daily food spending.
- San Mateo, CA Chicago, IL 2,990 km ≈ 4 h 15 min nonstop flight
- San Mateo, CA
- Chicago, IL
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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