Cost of Living Comparison Between Foster City, CA and Chicago, IL
For one person, living is cheaper in Chicago, IL: $3,072 a month against $4,255 in Foster City, CA, rent and utilities included – about $14,200 less a year. Rent and utilities account for most of the difference.
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Foster City, CA Living Index206Cost of Living Index in Foster City, CALearn more -
Chicago, IL Living Index146Cost of Living Index in Chicago, ILLearn more
How much you'll spend in Foster City, 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 Foster City, CA and in Chicago, IL actually costs, broken down by who's living it.
A single person spends $4,255 per month in Foster City, CA vs $3,072 in Chicago, IL, rent included.
- Foster City, CA $4,255
- Chicago, IL $3,072
A couple spends around $4,028 per month in Foster City, CA vs $4,545 in Chicago, IL, rent included.
- Foster City, CA $4,028
- Chicago, IL $4,545
A family of three spends $3,801 per month in Foster City, CA vs $6,019 in Chicago, IL, rent included.
- Foster City, CA $3,801
- Chicago, IL $6,019
Foster City, CA costs about 39% more than Chicago, IL, and outside of rent the biggest gap is in transport.
Both Foster City, CA and Chicago, IL sit above the global median – Foster City, CA by 215%, Chicago, IL by 127%.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Foster City, CA: November 1, 2026
Last update for Chicago, IL: November 3, 2026
Categories marked with * are only partly priced – their share counts the items that do have prices.
Cost Breakdown
A central one-bedroom costs $3,053 in Foster City, CA versus $2,531 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 38% higher in Foster City, CA, which partly offsets the higher cost of living there. Purchasing power depends on which expenses matter most to you.
A mid-range dinner for two costs $111 in Foster City, CA versus $89 in Chicago, IL. Monthly groceries follow the same trend: $478 vs $439 – making Chicago, IL the more affordable choice for daily food spending.
- Foster City, CA Chicago, IL 2,980 km ≈ 4 h 15 min nonstop flight
- Foster City, 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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