Last update: Oct 2026

Cost of Living Comparison Between Castle Rock, CO and Buenos Aires

For one person, living is cheaper in Castle Rock, CO: $1,240 a month against $1,685 in Buenos Aires, rent and utilities included – about $5,300 less a year. Higher rent and utilities in Buenos Aires outweigh lower spending on other living expenses.

61

Cost of Living Index in Castle Rock, CO
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Castle Rock, CO Living Index
81

Cost of Living Index in Buenos Aires
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Buenos Aires Living Index

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Castle Rock, CO

🇺🇸 United States

$1,240

/mo nomad

Buenos Aires

🇦🇷 Argentina

$1,685

/mo nomad

Monthly Cost of Living

How much you'll spend in Castle Rock, CO and in Buenos Aires

Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Castle Rock, CO and in Buenos Aires actually costs, broken down by who's living it.

Monthly costs for one person with rent: $1,240 in Castle Rock, CO versus $1,685 in Buenos Aires.

Castle Rock, CO $1,240
Buenos Aires $1,685

Estimated couple costs with rent: $1,973 in Castle Rock, CO versus $2,742 in Buenos Aires.

Castle Rock, CO $1,973
Buenos Aires $2,742

Monthly costs for a family of three with rent: $2,707 in Castle Rock, CO versus $3,799 in Buenos Aires.

Castle Rock, CO $2,707
Buenos Aires $3,799

Living in Castle Rock, CO costs roughly 26% less than in Buenos Aires, and outside of rent the biggest gap is in clothing.

The two cities straddle the global median: Castle Rock, CO is 7% below, Buenos Aires is 26% above.

Meal at Budget Restaurant

$22.17 $22.17

$18.73 ARS 28.4K

18.37%

Three-Course Dinner for Two, Mid-Range

$65.2 $65.2

$64.5 ARS 97.8K

1.18%

Fast Food Meal (McDonalds, etc)

$9.12 $9.12

$12.88 ARS 19.5K

-29.19%

Cappuccino

$5.46 $5.46

$3.98 ARS 6,029

37.19%

Coke/Pepsi/Fanta/Sprite (0.33 liter bottle)

$2.46 $2.46

$2.05 ARS 3,103

20.00%

Water (0.33 liter bottle)

$1.89 $1.89

$1.55 ARS 2,349

21.94%

Local Beer (0.5 liter draught)

$7.11 $7.11

$3.84 ARS 5,830

85.16%

Imported Beer (0.33 liter bottle)

$6.07 $6.07

$4.60 ARS 6,970

31.96%

Milk (1 liter)

$1.04 $1.04

$1.44 ARS 2,181

-27.78%

White Bread (500g)

$2.99 $2.99

$2.46 ARS 3,738

21.54%

Rice (white) (1kg)

$2.70 $2.70

$1.63 ARS 2,467

65.64%

Eggs

$4.33 $4.33

$2.89 ARS 4,385

49.83%

Local Cheese (1kg)

$10.91 $10.91

$10.65 ARS 16.1K

2.44%

Chicken Fillets (1kg)

$9.40 $9.40

$10.00 ARS 15.2K

-6.00%

Beef Round Steak (1kg)

$19.09 $19.09

$13.74 ARS 20.8K

38.94%

Apples (1kg)

$4.80 $4.80

$2.75 ARS 4,166

74.55%

Banana (1kg)

$1.42 $1.42

$2.18 ARS 3,300

-34.86%

Oranges (1kg)

$3.71 $3.71

$1.45 ARS 2,205

155.86%

Tomato (1kg)

$5.29 $5.29

$1.99 ARS 3,013

165.83%

Potato (1kg)

$2.89 $2.89

$1.24 ARS 1,885

133.06%

Onion (1kg)

$3.21 $3.21

$1.27 ARS 1,921

152.76%

Lettuce (1 head)

$1.28 $1.28

$1.70 ARS 2,575

-24.71%

Water (1.5 liter bottle)

$1.73 $1.73

$1.73 ARS 2,617

Cigarettes 20 Pack (Marlboro, Camel)

$9.84 $9.84

$4.18 ARS 6,337

135.41%

Wine (Bottle)

$12.04 $12.04

$5.80 ARS 8,790

107.59%

Local Beer (0.5 liter bottle)

$2.58 $2.58

$2.09 ARS 3,163

23.44%

Imported Beer (0.33 liter bottle)

$2.72 $2.72

$2.77 ARS 4,198

-1.81%

One-way Ticket (Public Transport)

$0.75 ARS 1,132

Public Transport Monthly Pass (Regular Price)

$27.15 ARS 41.2K

Taxi Start (Normal Tariff)

$2.45 $2.45

$1.62 ARS 2,451

51.23%

Taxi (Normal Tariff) (1km)

$1.81 $1.81

$0.98 ARS 1,481

84.69%

Taxi 1hour Waiting (Normal Tariff)

$24.56 $24.56

$7.72 ARS 11.7K

218.13%

Gasoline (1 liter)

$0.79 $0.79

$1.36 ARS 2,058

-41.91%

Midsize Hatchback 1.4l (Volkswagen Golf, Toyota Prius, Honda Civic, etc)

$35.5K $35.5K

$28.0K ARS 42.5M

26.75%

Compact Sedan 1.6l (Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)

$25.3K $25.3K

$34.5K ARS 52.4M

-26.87%

Utilities for 2 People in 2-bedroom Apartment (Heating, Electricity, Gas, Water, Garbage) (85m2)

$212 $212

$216 ARS 326.9K

-1.60%

SIM Card Monthly Plan (Calls and 10GB+ Data)

$40.29 $40.29

$25.61 ARS 38.8K

57.32%

Internet (50+ Mbps, Unlimited Data)

$70.7 $70.7

$31.36 ARS 47.6K

125.45%

Gym Membership (Monthly)

$59.8 $59.8

$49.82 ARS 75.6K

19.93%

Tennis Court (1 Hour on Weekend)

$17.06 ARS 25.9K

Cinema Ticket

$11.94 $11.94

$10.43 ARS 15.8K

14.48%

Preschool or Kindergarten, Full Day, Private, 1 Child (Monthly)

$1,295 $1,295

$466 ARS 706.7K

177.89%

International Primary School, 1 Child (Yearly)

$17.7K $17.7K

$9,057 ARS 13.7M

95.50%

Jeans (Levis 501 Or Similar)

$55.3 $55.3

$122 ARS 185.2K

-54.70%

Summer Dress (H&M, Zara, etc)

$49.00 $49.00

$97.4 ARS 147.8K

-49.71%

Sport Shoes (Adidas, Nike)

$79.2 $79.2

$117 ARS 177.4K

-32.26%

Men's Leather Business Shoes

$116 $116

$140 ARS 211.9K

-16.84%

1-bedroom Apartment, City Center (Monthly)

$763 ARS 1.2M

1-bedroom Apartment, Outside City Center (Monthly)

$505 ARS 766.1K

3-bedroom Apartment, City Center (Monthly)

$1,598 ARS 2.4M

3-bedroom Apartment, Outside City Center (Monthly)

$1,185 ARS 1.8M

Buy Apartment in City Center (m2)

$2,678 ARS 4.1M

Buy Apartment Outside City Center (m2)

$1,858 ARS 2.8M

Average Monthly Net Salary (After Tax)

$5,920 $5,920

$954 ARS 1.4M

520.22%

20-Year Fixed Mortgage Interest Rate (Annual %)

6.77

57.25

-88.17%

CityCost data is based on AI and user input – minor inaccuracies may occur.

Last update for Castle Rock, CO: October 5, 2026

Last update for Buenos Aires: October 6, 2026

Monthly budget structure

Share of the monthly basket for one person, rent included.

Groceries & Markets

Castle Rock, CO

$363 29%

Buenos Aires

$284 17.1% 21.6% $78

Eating Out

Castle Rock, CO

$335 26.8%

Buenos Aires

$279 16.8% 16.8% $56

Monthly Utilities & Internet

Castle Rock, CO

$323 25.8%

Buenos Aires

$273 16.4% 15.7% $51

Clothing & Footwear

Castle Rock, CO

$135 10.8%

Buenos Aires

$214 12.9% 58.9% $79

Sport & Entertainment

Castle Rock, CO

$84 6.7%

Buenos Aires

$71 4.3% 15.5% $13

Getting Around

Castle Rock, CO

$11 * 0.9%

Buenos Aires

$37 2.2% 219% $25

Accommodation & Living

Castle Rock, CO

- * 0%

Buenos Aires

$505 30.4%

Categories marked with * are only partly priced – their share counts the items that do have prices.

Cost Breakdown

Castle Rock, CO pays 520% more on average while also being the cheaper of the two. The combined effect is a noticeably stronger local purchasing power.

Dining out: $65.0 in Castle Rock, CO vs $64.0 in Buenos Aires for a mid-range dinner for two. Groceries echo the gap at $363 vs $284 per month, with Buenos Aires cheaper across the board.

Good to know

🇺🇸 Castle Rock, CO

🇦🇷 Buenos Aires

🕒 Local time

12:59 12:59 PM

15:59 3:59 PM

3 h ahead of Castle Rock, CO

🌤 Weather

👥 Population

73,158

2,891,082 Capital

💱 Currency

United States Dollar USD $

Argentine Peso ARS $

📈 Exchange rate

1 USD = 0.892 EUR

10,000 ARS = 6.59 USD

10,000 ARS = 5.88 EUR

Exchange rates and currency converter

ARS, EUR to USD – United States Dollar Converter

🇦🇷 Argentine Peso ($)

🇺🇸 United States Dollar ($)

United States Dollar exchange rates as of October 10, 2026: 1 EUR = 1.12 USD (1 USD = 0.892 EUR).

Argentine Peso exchange rates as of October 10, 2026: 1 USD = 1,517 ARS (10,000 ARS = 6.59 USD). 1 EUR = 1,699 ARS (10,000 ARS = 5.88 EUR).

ARS to USD in detail →

On the map

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Highest

Between locations

Castle Rock, CO Buenos Aires 9,510 km ≈ 12 h nonstop flight

From you

Castle Rock, CO
Buenos Aires

Distances are measured in a straight line. Your location is detected approximately.

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

Castle Rock, CO vs Buenos Aires: Cost of Living - Frequently Asked Questions

Castle Rock, CO and Buenos Aires differ by about 36% in total monthly costs ($1,240 vs $1,685 including rent). Castle Rock, CO is meaningfully more affordable – a gap that matters a lot on a fixed or modest income.

Average pay runs 520% higher in Castle Rock, CO, which matters when comparing affordability. Whether that higher income actually nets you more depends on your spending habits and housing choices.

Childcare runs $1,295 in Castle Rock, CO versus $466 in Buenos Aires. Over years of preschool, even a modest monthly gap compounds into a major financial factor for families.

Dining out is cheaper in Castle Rock, CO – a meal for two runs $65.0 versus $64.0 in Buenos Aires. If you eat out regularly, this makes a real dent in your monthly spending.

At $1,240 in Castle Rock, CO versus $1,685 in Buenos Aires, a $2,000 budget is realistic in Castle Rock, CO but tight or insufficient in Buenos Aires. The gap between the two cities makes Castle Rock, CO the clear choice for anyone on this budget.

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.

Safety-wise, Castle Rock, CO and Buenos Aires are on par. Petty crime is typical for cities this size, and most residents feel comfortable going about their daily routines in either place.

Expats usually find Castle Rock, CO gentler on the wallet – expenses run 36% less than in Buenos Aires. Beyond cost, consider language, visa policies, and how big the international community is in each city.