πA single person spends $4,030 per month in Foster City, CA vs $3,009 in Chicago, IL, rent included.
πA couple spends around $5,858 per month in Foster City, CA vs $4,593 in Chicago, IL, rent included.
πA family of three spends $7,685 per month in Foster City, CA vs $6,177 in Chicago, IL, rent included.
πFoster City, CA costs about 34% more than Chicago, IL, driven mainly by Getting Around.
πBoth Foster City, CA and Chicago, IL sit above the global median β Foster City, CA by 201%, Chicago, IL by 125%.
Currency
π½ Eating Out
Foster City, CA
Chicago, IL
Difference
Meal at Budget Restaurant
$15.23$15.23
$20.35$20.35
-25.16%
Three-Course Dinner for Two, Mid-Range
$70.2$70.2
$102$102
-30.98%
Fast Food Meal(McDonalds, etc)
$10.85$10.85
$11.98$11.98
-9.43%
Cappuccino
$4.97$4.97
$5.70$5.70
-12.81%
Coke/Pepsi/Fanta/Sprite(0.33 liter bottle)
$3.26$3.26
$3.00$3.00
8.67%
Water(0.33 liter bottle)
$2.50$2.50
$2.46$2.46
1.63%
Local Beer(0.5 liter draught)
$8.86$8.86
$6.87$6.87
28.97%
Imported Beer(0.33 liter bottle)
$11.09$11.09
$8.09$8.09
37.08%
π Groceries & Markets
Foster City, CA
Chicago, IL
Difference
Milk(1 liter)
$1.06$1.06
$1.03$1.03
2.91%
White Bread(500g)
$3.33$3.33
$3.95$3.95
-15.70%
Rice(white)(1kg)
$2.19$2.19
$5.42$5.42
-59.59%
Eggs
$2.91$2.91
$4.50$4.50
-35.33%
Local Cheese(1kg)
$16.31$16.31
$14.53$14.53
12.25%
Chicken Fillets(1kg)
$11.14$11.14
$14.89$14.89
-25.18%
Beef Round Steak(1kg)
$19.82$19.82
$18.98$18.98
4.43%
Apples(1kg)
$6.06$6.06
$5.39$5.39
12.43%
Banana(1kg)
$2.54$2.54
$1.77$1.77
43.50%
Oranges(1kg)
$4.96$4.96
$4.35$4.35
14.02%
Tomato(1kg)
$3.34$3.34
$4.53$4.53
-26.27%
Potato(1kg)
$3.27$3.27
$2.53$2.53
29.25%
Onion(1kg)
$4.47$4.47
$2.81$2.81
59.07%
Lettuce(1 head)
$3.02$3.02
$2.51$2.51
20.32%
Water(1.5 liter bottle)
$1.48$1.48
$2.67$2.67
-44.57%
Cigarettes 20 Pack(Marlboro, Camel)
$11.07$11.07
$14.88$14.88
-25.60%
Wine(Bottle)
$14.90$14.90
$15.22$15.22
-2.10%
Local Beer(0.5 liter bottle)
$2.37$2.37
$2.46$2.46
-3.66%
Imported Beer(0.33 liter bottle)
$3.41$3.41
$3.53$3.53
-3.40%
π Getting Around
Foster City, CA
Chicago, IL
Difference
One-way Ticket(Public Transport)
$3.81$3.81
$2.56$2.56
48.83%
Public Transport Monthly Pass(Regular Price)
$191$191
$74.3$74.3
156.90%
Taxi Start(Normal Tariff)
$3.42$3.42
$3.19$3.19
7.21%
Taxi(Normal Tariff)(1km)
$1.96$1.96
$1.41$1.41
39.01%
Taxi 1hour Waiting(Normal Tariff)
$30.16$30.16
$25.49$25.49
18.32%
Gasoline(1 liter)
$1.32$1.32
$1.04$1.04
26.92%
Midsize Hatchback 1.4l(Volkswagen Golf, Toyota Prius, Honda Civic, etc)
$30.6K$30.6K
$32.2K$32.2K
-5.14%
Compact Sedan 1.6l(Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)
$26.6K$26.6K
$26.8K$26.8K
-0.57%
π§Ύ Monthly Utilities & Internet
Foster City, CA
Chicago, IL
Difference
Utilities for 2 People in 2-bedroom Apartment(Heating, Electricity, Gas, Water, Garbage)(85m2)
$275$275
$184$184
49.53%
SIM Card Monthly Plan(Calls and 10GB+ Data)
$47.78$47.78
$63.1$63.1
-24.29%
Internet(50+ Mbps, Unlimited Data)
$66.9$66.9
$66.4$66.4
0.78%
π Sport & Entertainment
Foster City, CA
Chicago, IL
Difference
Gym Membership(Monthly)
$42.94$42.94
$75.9$75.9
-43.43%
Tennis Court(1 Hour on Weekend)
-
$13.06$13.06
-
Cinema Ticket
$15.56$15.56
$15.25$15.25
2.03%
π§Έ Childcare & Education
Foster City, CA
Chicago, IL
Difference
Preschool or Kindergarten, Full Day, Private, 1 Child(Monthly)
$1,946$1,946
$2,090$2,090
-6.91%
International Primary School, 1 Child(Yearly)
$25.8K$25.8K
$39.2K$39.2K
-34.23%
ππ Clothing & Footwear
Foster City, CA
Chicago, IL
Difference
Jeans(Levis 501 Or Similar)
$46.48$46.48
$64.2$64.2
-27.60%
Summer Dress(H&M, Zara, etc)
$29.82$29.82
$51.0$51.0
-41.53%
Sport Shoes(Adidas, Nike)
$66.8$66.8
$97.2$97.2
-31.23%
Men's Leather Business Shoes
$49.90$49.90
$149$149
-66.41%
π Accommodation & Living
Foster City, CA
Chicago, IL
Difference
1-bedroom Apartment, City Center(Monthly)
$2,951$2,951
$2,341$2,341
26.07%
1-bedroom Apartment, Outside City Center(Monthly)
$2,574$2,574
$1,572$1,572
63.71%
3-bedroom Apartment, City Center(Monthly)
$4,454$4,454
$4,741$4,741
-6.04%
3-bedroom Apartment, Outside City Center(Monthly)
$4,417$4,417
$2,819$2,819
56.67%
Buy Apartment in City Center(m2)
$2,643$2,643
$3,900$3,900
-32.23%
Buy Apartment Outside City Center(m2)
$2,392$2,392
$2,638$2,638
-9.34%
π΅ Salaries & Financials
Foster City, CA
Chicago, IL
Difference
Average Monthly Net Salary(After Tax)
$7,254$7,254
$4,769$4,769
52.12%
20-Year Fixed Mortgage Interest Rate(Annual %)
6.51
6.6
-1.36%
CityCost data is based on AI and user input β minor inaccuracies may occur.
Last update for Foster City, CA: April 26, 2026
Last update for Chicago, IL: April 25, 2026
Cost Breakdown
π A central one-bedroom costs $2,951 in Foster City, CA versus $2,341 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.
π°Salaries run about 52% higher in Foster City, CA, which partly offsets the higher cost of living there. Purchasing power depends on which expenses matter most to you.
πA mid-range dinner for two costs $70.0 in Foster City, CA versus $102 in Chicago, IL. Monthly groceries follow the same trend: $408 vs $447 β making Foster City, CA the more affordable choice for daily food spending.
City Median Internet Speeds Comparison (Updated April 2026)
The chart highlights the Precision Threshold for mobile and fixed broadband internet speeds, updated quarterly.
Digital Nomad Cost of Living Index
Foster City, CA vs Chicago, IL: Cost of Living - Frequently Asked Questions
How do living costs in Foster City, CA and Chicago, IL compare overall?
Monthly costs with rent: $4,030 in Foster City, CA, $3,009 in Chicago, IL β roughly 34% apart. Foster City, CA costs more across the board, with Getting Around showing the biggest gap.
What salary covers living expenses in Foster City, CA compared to Chicago, IL?
For a comfortable life, plan on about $6,045 per month in Foster City, CA and $4,513 in Chicago, IL. That covers rent, food, utilities, transport, and enough left over to feel settled β not just surviving.
How do rents compare between Foster City, CA and Chicago, IL?
Rent is clearly cheaper in Chicago, IL, especially for central apartments. Housing is actually the single biggest factor behind the overall cost gap between these two cities.
Which city has cheaper grocery shopping?
Interestingly, groceries are about 10% cheaper in Foster City, CA β one category where the pricier city actually offers better value, probably thanks to stronger retail competition or local farming.
$3,000 is a stretch for both β monthly costs hit $4,030 in Foster City, CA and $3,009 in Chicago, IL. You'll need shared housing and careful budgeting no matter which city you pick.
How does quality of life compare between Foster City, CA and Chicago, IL?
It depends on your priorities. Foster City, CA has an edge in some lifestyle areas, with costs from $3,009 in Chicago, IL to $4,030 in Foster City, CA. Climate, culture, job market, and personal taste all factor in.
Is Foster City, CA or Chicago, IL safer for residents?
Both have safer and rougher neighborhoods, but overall safety is comparable to other large cities. Neighborhood choice matters more than the city-level comparison β central, well-trafficked areas feel secure in both.
How do I decide between Foster City, CA and Chicago, IL?
If budget matters most, go with Chicago, IL. If higher salaries, better infrastructure, or specific career opportunities are the priority, Foster City, CA makes more sense. Both are solid long-term options with distinct trade-offs.
Foster City, CA vs other spots: cost of living compared