😐Monthly costs for one person with rent: $3,077 in Chicago, IL versus $2,409 in Castle Rock, CO.
😐Estimated couple costs with rent: $4,628 in Chicago, IL versus $3,517 in Castle Rock, CO.
😐Monthly costs for a family of three with rent: $6,179 in Chicago, IL versus $4,626 in Castle Rock, CO.
😐Living in Chicago, IL is roughly 28% more expensive than Castle Rock, CO, driven mainly by Groceries & Markets.
📊Both cities are pricier than the global median: Chicago, IL130% above, Castle Rock, CO80% above.
Currency
🍽 Eating Out
Chicago, IL
Castle Rock, CO
Difference
Meal at Budget Restaurant
$20.91$20.91
$14.93$14.93
40.05%
Three-Course Dinner for Two, Mid-Range
$98.1$98.1
$72.6$72.6
35.26%
Fast Food Meal(McDonalds, etc)
$11.86$11.86
$7.92$7.92
49.75%
Cappuccino
$5.60$5.60
$4.97$4.97
12.68%
Coke/Pepsi/Fanta/Sprite(0.33 liter bottle)
$3.07$3.07
$2.01$2.01
52.74%
Water(0.33 liter bottle)
$2.47$2.47
$1.94$1.94
27.32%
Local Beer(0.5 liter draught)
$7.14$7.14
$4.85$4.85
47.22%
Imported Beer(0.33 liter bottle)
$8.08$8.08
$4.96$4.96
62.90%
🛒 Groceries & Markets
Chicago, IL
Castle Rock, CO
Difference
Milk(1 liter)
$1.05$1.05
$1.00$1.00
5.00%
White Bread(500g)
$4.11$4.11
$3.03$3.03
35.64%
Rice(white)(1kg)
$5.61$5.61
$3.31$3.31
69.49%
Eggs
$4.51$4.51
$4.09$4.09
10.27%
Local Cheese(1kg)
$14.27$14.27
$10.96$10.96
30.20%
Chicken Fillets(1kg)
$14.89$14.89
$8.79$8.79
69.40%
Beef Round Steak(1kg)
$19.19$19.19
$16.29$16.29
17.80%
Apples(1kg)
$5.14$5.14
$3.81$3.81
34.91%
Banana(1kg)
$1.77$1.77
$1.40$1.40
26.43%
Oranges(1kg)
$4.39$4.39
$3.63$3.63
20.94%
Tomato(1kg)
$4.56$4.56
$5.01$5.01
-8.98%
Potato(1kg)
$2.54$2.54
$2.33$2.33
9.01%
Onion(1kg)
$2.75$2.75
$1.87$1.87
47.06%
Lettuce(1 head)
$2.42$2.42
$1.28$1.28
89.06%
Water(1.5 liter bottle)
$2.62$2.62
$1.94$1.94
35.05%
Cigarettes 20 Pack(Marlboro, Camel)
$14.92$14.92
$13.22$13.22
12.86%
Wine(Bottle)
$14.80$14.80
$11.88$11.88
24.58%
Local Beer(0.5 liter bottle)
$2.46$2.46
$2.29$2.29
7.42%
Imported Beer(0.33 liter bottle)
$3.73$3.73
$2.78$2.78
34.17%
🚌 Getting Around
Chicago, IL
Castle Rock, CO
Difference
One-way Ticket(Public Transport)
$2.48$2.48
$1.98$1.98
25.25%
Public Transport Monthly Pass(Regular Price)
$75.4$75.4
-
-
Taxi Start(Normal Tariff)
$3.18$3.18
$2.48$2.48
28.23%
Taxi(Normal Tariff)(1km)
$1.42$1.42
$1.36$1.36
4.41%
Taxi 1hour Waiting(Normal Tariff)
$24.94$24.94
$25.14$25.14
-0.80%
Gasoline(1 liter)
$1.06$1.06
$0.76$0.76
39.47%
Midsize Hatchback 1.4l(Volkswagen Golf, Toyota Prius, Honda Civic, etc)
$31.9K$31.9K
$27.4K$27.4K
16.31%
Compact Sedan 1.6l(Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)
$26.0K$26.0K
$25.7K$25.7K
1.28%
🧾 Monthly Utilities & Internet
Chicago, IL
Castle Rock, CO
Difference
Utilities for 2 People in 2-bedroom Apartment(Heating, Electricity, Gas, Water, Garbage)(85m2)
$185$185
$170$170
8.85%
SIM Card Monthly Plan(Calls and 10GB+ Data)
$61.7$61.7
$40.56$40.56
52.22%
Internet(50+ Mbps, Unlimited Data)
$66.9$66.9
$44.46$44.46
50.52%
🎉 Sport & Entertainment
Chicago, IL
Castle Rock, CO
Difference
Gym Membership(Monthly)
$75.2$75.2
$61.2$61.2
22.93%
Tennis Court(1 Hour on Weekend)
$13.08$13.08
-
-
Cinema Ticket
$14.71$14.71
$8.63$8.63
70.45%
🧸 Childcare & Education
Chicago, IL
Castle Rock, CO
Difference
Preschool or Kindergarten, Full Day, Private, 1 Child(Monthly)
$2,020$2,020
$1,493$1,493
35.31%
International Primary School, 1 Child(Yearly)
$39.4K$39.4K
$18.2K$18.2K
116.40%
👕👟 Clothing & Footwear
Chicago, IL
Castle Rock, CO
Difference
Jeans(Levis 501 Or Similar)
$64.6$64.6
$47.42$47.42
36.25%
Summer Dress(H&M, Zara, etc)
$52.5$52.5
$50.9$50.9
3.05%
Sport Shoes(Adidas, Nike)
$97.8$97.8
$66.2$66.2
47.81%
Men's Leather Business Shoes
$148$148
$108$108
36.96%
🏠 Accommodation & Living
Chicago, IL
Castle Rock, CO
Difference
1-bedroom Apartment, City Center(Monthly)
$2,313$2,313
$1,684$1,684
37.30%
1-bedroom Apartment, Outside City Center(Monthly)
$1,590$1,590
$1,359$1,359
16.97%
3-bedroom Apartment, City Center(Monthly)
$4,608$4,608
$2,819$2,819
63.49%
3-bedroom Apartment, Outside City Center(Monthly)
$2,779$2,779
$2,234$2,234
24.39%
Buy Apartment in City Center(m2)
$3,922$3,922
-
-
Buy Apartment Outside City Center(m2)
$2,613$2,613
-
-
💵 Salaries & Financials
Chicago, IL
Castle Rock, CO
Difference
Average Monthly Net Salary(After Tax)
$5,217$5,217
$5,816$5,816
-10.29%
20-Year Fixed Mortgage Interest Rate(Annual %)
6.6
6.45
2.33%
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Chicago, IL: May 30, 2026
Last update for Castle Rock, CO: May 30, 2026
Cost Breakdown
🏠A one-bedroom apartment in the center runs $2,313 in Chicago, IL and $1,684 in Castle Rock, CO. Housing cost is often the main lever when comparing two cities.
💰Castle Rock, CO pays 11% more on average while also being the cheaper of the two. The combined effect is a noticeably stronger local purchasing power.
🛒Dining out: $98.0 in Chicago, IL vs $73.0 in Castle Rock, CO for a mid-range dinner for two. Groceries echo the gap at $447 vs $343 per month, with Castle Rock, CO cheaper across the board.
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
Chicago, IL vs Castle Rock, CO: Cost of Living - Frequently Asked Questions
What is the total cost difference between living in Chicago, IL and Castle Rock, CO?
Chicago, IL and Castle Rock, CO differ by about 28% in total monthly costs ($3,077 vs $2,409 including rent). Castle Rock, CO is meaningfully more affordable – a gap that matters a lot on a fixed or modest income.
Which city has better-paying jobs?
On paper, Castle Rock, CO earns 11% less. That's worth factoring in alongside costs, though remote workers earning in a stronger currency may not notice the difference at all.
How do apartment prices compare in Chicago, IL and Castle Rock, CO?
Rent for a central apartment: $2,313 in Chicago, IL versus $1,684 in Castle Rock, CO. Housing is usually the single largest factor when comparing overall living costs between the two.
Which city has cheaper grocery shopping?
Supermarket bills run roughly 31% higher in Chicago, IL. For households that cook at home regularly, that difference adds up over a month.
Which city is more expensive overall: Chicago, IL or Castle Rock, CO?
All in, you'll spend $3,077 per month in Chicago, IL versus $2,409 in Castle Rock, CO – a 28% gap that adds up to real savings over time for anyone picking the cheaper option.
Which city is feasible on a $3,000 budget?
Both cities are expensive relative to $3,000. Castle Rock, CO is the more realistic option, but even there you'll need to be disciplined with housing, food, and fun money.
How does quality of life compare between Chicago, IL and Castle Rock, CO?
Both cities offer a good standard of living with different trade-offs. Neither is objectively better – the right pick depends on what matters most: affordability, career, cultural scene, or climate.
Is Chicago, IL or Castle Rock, CO safer for residents?
Safety-wise, Chicago, IL and Castle Rock, CO are on par. Petty crime is typical for cities this size, and most residents feel comfortable going about their daily routines in either place.
Where should expats move: Chicago, IL or Castle Rock, CO?
Expats usually find Castle Rock, CO gentler on the wallet – expenses run 28% less than in Chicago, IL. Beyond cost, consider language, visa policies, and how big the international community is in each city.
Chicago, IL vs other spots: cost of living compared