Last update: Oct 2026

Cost of Living Comparison Between O'Fallon, IL and Barcelona

For one person, living is cheaper in Barcelona: $2,381 a month against $2,591 in O'Fallon, IL, rent and utilities included – about $2,500 less a year. Other living expenses account for most of the difference.

O'Fallon, IL
🇺🇸 United States
$2,591
/mo nomad
Barcelona
🇪🇸 Spain
$2,381
/mo nomad
Monthly Cost of Living

How much you'll spend in O'Fallon, IL and in Barcelona

Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in O'Fallon, IL and in Barcelona actually costs, broken down by who's living it.

Monthly costs for one person with rent: $2,591 in O'Fallon, IL versus $2,381 in Barcelona.

  • O'Fallon, IL $2,591
  • Barcelona $2,381

Estimated couple costs with rent: $3,785 in O'Fallon, IL versus $3,406 in Barcelona.

  • O'Fallon, IL $3,785
  • Barcelona $3,406

Monthly costs for a family of three with rent: $4,980 in O'Fallon, IL versus $4,431 in Barcelona.

  • O'Fallon, IL $4,980
  • Barcelona $4,431

Living in O'Fallon, IL is roughly 9% more expensive than in Barcelona, and outside of rent the biggest gap is in groceries.

Both cities are pricier than the global median: O'Fallon, IL 91% above, Barcelona 76% above.

Currency
🍽 Eating Out
O'Fallon, IL
Barcelona
Difference
Meal at Budget Restaurant
$18.28 $18.28
$17.89 €15.92
2.18%
Three-Course Dinner for Two, Mid-Range
$74.4 $74.4
$66.2 €58.9
12.42%
Fast Food Meal (McDonalds, etc)
$10.70 $10.70
$13.69 €12.18
-21.84%
Cappuccino
$5.27 $5.27
$3.06 €2.72
72.22%
Coke/Pepsi/Fanta/Sprite (0.33 liter bottle)
$2.35 $2.35
$3.07 €2.73
-23.45%
Water (0.33 liter bottle)
$1.66 $1.66
$1.94 €1.73
-14.43%
Local Beer (0.5 liter draught)
$3.79 $3.79
$3.87 €3.44
-2.07%
Imported Beer (0.33 liter bottle)
$5.19 $5.19
$4.61 €4.10
12.58%
🛒 Groceries & Markets
O'Fallon, IL
Barcelona
Difference
Milk (1 liter)
$1.00 $1.00
$1.30 €1.16
-23.08%
White Bread (500g)
$3.22 $3.22
$2.10 €1.87
53.33%
Rice (white) (1kg)
$5.61 $5.61
$1.83 €1.62
206.56%
Eggs
$3.93 $3.93
$4.62 €4.11
-14.94%
Local Cheese (1kg)
$12.06 $12.06
$17.36 €15.44
-30.53%
Chicken Fillets (1kg)
$15.66 $15.66
$9.28 €8.25
68.75%
Beef Round Steak (1kg)
$16.22 $16.22
$19.83 €17.64
-18.20%
Apples (1kg)
$8.24 $8.24
$3.01 €2.68
173.75%
Banana (1kg)
$2.38 $2.38
$2.03 €1.81
17.24%
Oranges (1kg)
$5.48 $5.48
$2.65 €2.36
106.79%
Tomato (1kg)
$5.13 $5.13
$2.87 €2.55
78.75%
Potato (1kg)
$4.24 $4.24
$2.16 €1.92
96.30%
Onion (1kg)
$3.36 $3.36
$2.15 €1.91
56.28%
Lettuce (1 head)
$2.01 $2.01
$1.47 €1.31
36.73%
Water (1.5 liter bottle)
$2.54 $2.54
$0.88 €0.79
188.64%
Cigarettes 20 Pack (Marlboro, Camel)
$8.09 $8.09
$6.93 €6.16
16.74%
Wine (Bottle)
$14.94 $14.94
$7.83 €6.96
90.80%
Local Beer (0.5 liter bottle)
$2.91 $2.91
$1.39 €1.24
109.35%
Imported Beer (0.33 liter bottle)
$3.34 $3.34
$2.63 €2.34
27.00%
🚌 Getting Around
O'Fallon, IL
Barcelona
Difference
One-way Ticket (Public Transport)
$2.14 $2.14
$2.91 €2.59
-26.46%
Public Transport Monthly Pass (Regular Price)
-
$25.46 €22.64
-
Taxi Start (Normal Tariff)
$3.58 $3.58
$3.00 €2.66
19.33%
Taxi (Normal Tariff) (1km)
$1.59 $1.59
$1.44 €1.28
10.42%
Taxi 1hour Waiting (Normal Tariff)
$17.65 $17.65
$33.20 €29.53
-46.84%
Gasoline (1 liter)
$1.11 $1.11
$1.86 €1.65
-40.32%
Midsize Hatchback 1.4l (Volkswagen Golf, Toyota Prius, Honda Civic, etc)
$27.8K $27.8K
$32.3K €28.8K
-13.99%
Compact Sedan 1.6l (Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)
$26.2K $26.2K
$31.7K €28.2K
-17.33%
🧾 Monthly Utilities & Internet
O'Fallon, IL
Barcelona
Difference
Utilities for 2 People in 2-bedroom Apartment (Heating, Electricity, Gas, Water, Garbage) (85m2)
$242 $242
$183 €163
32.45%
SIM Card Monthly Plan (Calls and 10GB+ Data)
$68.6 $68.6
$13.61 €12.11
403.97%
Internet (50+ Mbps, Unlimited Data)
$75.9 $75.9
$32.93 €29.29
130.49%
🎉 Sport & Entertainment
O'Fallon, IL
Barcelona
Difference
Gym Membership (Monthly)
$41.68 $41.68
$54.7 €48.65
-23.79%
Tennis Court (1 Hour on Weekend)
-
$16.52 €14.70
-
Cinema Ticket
$12.60 $12.60
$11.23 €9.99
12.20%
🧸 Childcare & Education
O'Fallon, IL
Barcelona
Difference
Preschool or Kindergarten, Full Day, Private, 1 Child (Monthly)
$663 $663
$954 €849
-30.48%
International Primary School, 1 Child (Yearly)
$12.6K $12.6K
$16.6K €14.8K
-24.19%
👕👟 Clothing & Footwear
O'Fallon, IL
Barcelona
Difference
Jeans (Levis 501 Or Similar)
$46.51 $46.51
$86.0 €76.5
-45.94%
Summer Dress (H&M, Zara, etc)
$25.04 $25.04
$39.11 €34.78
-35.98%
Sport Shoes (Adidas, Nike)
$57.5 $57.5
$104 €92.2
-44.53%
Men's Leather Business Shoes
$49.29 $49.29
$119 €106
-58.45%
🏠 Accommodation & Living
O'Fallon, IL
Barcelona
Difference
1-bedroom Apartment, City Center (Monthly)
$1,602 $1,602
$1,695 €1,508
-5.53%
1-bedroom Apartment, Outside City Center (Monthly)
$1,295 $1,295
$1,276 €1,135
1.43%
3-bedroom Apartment, City Center (Monthly)
$2,473 $2,473
$2,576 €2,291
-3.98%
3-bedroom Apartment, Outside City Center (Monthly)
$2,167 $2,167
$1,922 €1,710
12.76%
Buy Apartment in City Center (m2)
$2,348 $2,348
$7,281 €6,477
-67.76%
Buy Apartment Outside City Center (m2)
$2,575 $2,575
$5,010 €4,456
-48.60%
💵 Salaries & Financials
O'Fallon, IL
Barcelona
Difference
Average Monthly Net Salary (After Tax)
-
$2,227 €1,981
-
20-Year Fixed Mortgage Interest Rate (Annual %)
6.72
3.28
104.88%

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

Last update for O'Fallon, IL: October 19, 2026

Last update for Barcelona: October 20, 2026

Monthly budget structure
Share of the monthly basket for one person, rent included.
Accommodation & Living
O'Fallon, IL
$1.3K
Barcelona
$1.3K 1.4% $18
Groceries & Markets
O'Fallon, IL
$456
Barcelona
$325 28.7% $131
Monthly Utilities & Internet
O'Fallon, IL
$387
Barcelona
$229 40.7% $157
Eating Out
O'Fallon, IL
$287
Barcelona
$270 6.1% $17
Clothing & Footwear
O'Fallon, IL
$80
Barcelona
$156 94.8% $76
Sport & Entertainment
O'Fallon, IL
$67
Barcelona
$77 15.4% $10
Getting Around
O'Fallon, IL
$20 *
Barcelona
$47 136% $27

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

Cost Breakdown

A one-bedroom apartment in the center runs $1,602 in O'Fallon, IL and $1,695 in Barcelona. Housing cost is often the main lever when comparing two cities.

Dining out: $74.0 in O'Fallon, IL vs $66.0 in Barcelona for a mid-range dinner for two. Groceries echo the gap at $456 vs $325 per month, with Barcelona cheaper across the board.

Good to know
🇺🇸 O'Fallon, IL
🇪🇸 Barcelona
🕒 Local time
18:30 6:30 PM
01:30 1:30 AM
7 h ahead of O'Fallon, IL
🌤 Weather
👥 Population
94,074
1,660,122
💱 Currency
Euro EUR €
Exchange rates and currency converter

EUR to USD – United States Dollar Converter

United States Dollar exchange rates as of October 21, 2026: 1 EUR = 1.12 USD (1 USD = 0.89 EUR).

Euro exchange rates as of October 21, 2026: 1 USD = 0.889 EUR (1 EUR = 1.12 USD).

On the map
Between locations
  • O'Fallon, IL Barcelona 7,450 km ≈ 10 h nonstop flight
From you
  • O'Fallon, IL
  • Barcelona

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
O'Fallon, IL vs Barcelona: Cost of Living - Frequently Asked Questions
What is the total cost difference between living in O'Fallon, IL and in Barcelona?
O'Fallon, IL and Barcelona differ by about 9% in total monthly costs ($2,591 vs $2,381 including rent). Barcelona is meaningfully more affordable – a gap that matters a lot on a fixed or modest income.
What salary covers living expenses in O'Fallon, IL compared to Barcelona?
You'd need roughly $3,886 in O'Fallon, IL and $3,571 in Barcelona to live well. The gap comes down to housing and overall price levels. Both cities are liveable on less, but these numbers represent actual comfort.
How do apartment prices compare in O'Fallon, IL and in Barcelona?
Rent for a central apartment: $1,602 in O'Fallon, IL versus $1,695 in Barcelona. Housing is usually the single largest factor when comparing overall living costs between the two.
What is the difference in childcare costs between O'Fallon, IL and Barcelona?
Childcare runs $663 in O'Fallon, IL versus $954 in Barcelona. Over years of preschool, even a modest monthly gap compounds into a major financial factor for families.
Which city has cheaper restaurants?
Dining out is cheaper in Barcelona – a meal for two runs $66.0 versus $74.0 in O'Fallon, IL. If you eat out regularly, this makes a real dent in your monthly spending.
Which city is feasible on a $3,000 budget?
Both cities are expensive relative to $3,000. Barcelona 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 O'Fallon, IL and Barcelona?
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 O'Fallon, IL or Barcelona safer for residents?
Safety-wise, O'Fallon, IL and Barcelona 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: O'Fallon, IL or Barcelona?
Expats usually find Barcelona gentler on the wallet – expenses run 9% less than in O'Fallon, IL. Beyond cost, consider language, visa policies, and how big the international community is in each city.

O'Fallon, IL vs other spots: cost of living compared

Similar cities

Show times on the 12-hour clock, temperatures in °F and distances in miles?