Last update: Oct 2026

Cost of Living Comparison Between O'Fallon, IL and San Jose

For one person, living is cheaper in San Jose: $1,924 a month against $2,591 in O'Fallon, IL, rent and utilities included – about $8,000 less a year. Higher rent and utilities in O'Fallon, IL outweigh lower spending on other living expenses.

125

Cost of Living Index in O'Fallon, IL
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O'Fallon, IL Living Index
93

Cost of Living Index in San Jose
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San Jose Living Index

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O'Fallon, IL

🇺🇸 United States

$2,591

/mo nomad

San Jose

🇨🇷 Costa Rica

$1,924

/mo nomad

Monthly Cost of Living

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

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 San Jose actually costs, broken down by who's living it.

A single person spends $2,591 per month in O'Fallon, IL vs $1,924 in San Jose, rent included.

O'Fallon, IL $2,591
San Jose $1,924

A couple spends around $3,785 per month in O'Fallon, IL vs $2,926 in San Jose, rent included.

O'Fallon, IL $3,785
San Jose $2,926

A family of three spends $4,980 per month in O'Fallon, IL vs $3,929 in San Jose, rent included.

O'Fallon, IL $4,980
San Jose $3,929

O'Fallon, IL costs about 35% more than San Jose, and outside of rent the biggest gap is in clothing.

Both O'Fallon, IL and San Jose sit above the global median – O'Fallon, IL by 91%, San Jose by 42%.

Meal at Budget Restaurant

$18.28 $18.28

$12.29 ₡5,513

48.74%

Three-Course Dinner for Two, Mid-Range

$74.4 $74.4

$62.3 ₡27.9K

19.45%

Fast Food Meal (McDonalds, etc)

$10.70 $10.70

$11.53 ₡5,171

-7.20%

Cappuccino

$5.27 $5.27

$4.35 ₡1,953

21.15%

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

$2.35 $2.35

$2.64 ₡1,183

-10.98%

Water (0.33 liter bottle)

$1.66 $1.66

$1.86 ₡836

-10.75%

Local Beer (0.5 liter draught)

$3.79 $3.79

$3.32 ₡1,490

14.16%

Imported Beer (0.33 liter bottle)

$5.19 $5.19

$4.52 ₡2,026

14.82%

Milk (1 liter)

$1.00 $1.00

$2.39 ₡1,073

-58.16%

White Bread (500g)

$3.22 $3.22

$3.08 ₡1,381

4.55%

Rice (white) (1kg)

$5.61 $5.61

$2.50 ₡1,119

124.40%

Eggs

$3.93 $3.93

$3.48 ₡1,562

12.93%

Local Cheese (1kg)

$12.06 $12.06

$10.74 ₡4,815

12.29%

Chicken Fillets (1kg)

$15.66 $15.66

$10.32 ₡4,629

51.74%

Beef Round Steak (1kg)

$16.22 $16.22

$14.10 ₡6,325

15.04%

Apples (1kg)

$8.24 $8.24

$5.03 ₡2,256

63.82%

Banana (1kg)

$2.38 $2.38

$1.59 ₡714

49.69%

Oranges (1kg)

$5.48 $5.48

$4.84 ₡2,171

13.22%

Tomato (1kg)

$5.13 $5.13

$3.96 ₡1,776

29.55%

Potato (1kg)

$4.24 $4.24

$3.76 ₡1,684

12.77%

Onion (1kg)

$3.36 $3.36

$3.73 ₡1,674

-9.92%

Lettuce (1 head)

$2.01 $2.01

$1.08 ₡485

86.11%

Water (1.5 liter bottle)

$2.54 $2.54

$3.25 ₡1,456

-21.85%

Cigarettes 20 Pack (Marlboro, Camel)

$8.09 $8.09

$5.86 ₡2,627

38.05%

Wine (Bottle)

$14.94 $14.94

$20.28 ₡9,095

-26.33%

Local Beer (0.5 liter bottle)

$2.91 $2.91

$2.90 ₡1,300

0.34%

Imported Beer (0.33 liter bottle)

$3.34 $3.34

$3.73 ₡1,673

-10.46%

One-way Ticket (Public Transport)

$2.14 $2.14

$1.08 ₡486

98.15%

Public Transport Monthly Pass (Regular Price)

$65.5 ₡29.4K

Taxi Start (Normal Tariff)

$3.58 $3.58

$2.50 ₡1,123

43.20%

Taxi (Normal Tariff) (1km)

$1.59 $1.59

$1.63 ₡732

-2.45%

Taxi 1hour Waiting (Normal Tariff)

$17.65 $17.65

$8.71 ₡3,904

102.64%

Gasoline (1 liter)

$1.11 $1.11

$1.58 ₡709

-29.75%

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

$27.8K $27.8K

$33.6K ₡15.1M

-17.22%

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

$26.2K $26.2K

$41.7K ₡18.7M

-37.10%

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

$242 $242

$93.7 ₡42.0K

158.48%

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

$68.6 $68.6

$35.42 ₡15.9K

93.65%

Internet (50+ Mbps, Unlimited Data)

$75.9 $75.9

$60.0 ₡26.9K

26.56%

Gym Membership (Monthly)

$41.68 $41.68

$72.6 ₡32.6K

-42.58%

Tennis Court (1 Hour on Weekend)

$25.83 ₡11.6K

Cinema Ticket

$12.60 $12.60

$7.74 ₡3,471

62.79%

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

$663 $663

$1,005 ₡450.9K

-34.02%

International Primary School, 1 Child (Yearly)

$12.6K $12.6K

$16.9K ₡7.6M

-25.58%

Jeans (Levis 501 Or Similar)

$46.51 $46.51

$73.1 ₡32.8K

-36.33%

Summer Dress (H&M, Zara, etc)

$25.04 $25.04

$55.4 ₡24.9K

-54.83%

Sport Shoes (Adidas, Nike)

$57.5 $57.5

$128 ₡57.5K

-55.16%

Men's Leather Business Shoes

$49.29 $49.29

$130 ₡58.5K

-62.20%

1-bedroom Apartment, City Center (Monthly)

$1,602 $1,602

$932 ₡418.0K

71.83%

1-bedroom Apartment, Outside City Center (Monthly)

$1,295 $1,295

$760 ₡340.8K

70.34%

3-bedroom Apartment, City Center (Monthly)

$2,473 $2,473

$1,922 ₡862.0K

28.67%

3-bedroom Apartment, Outside City Center (Monthly)

$2,167 $2,167

$1,276 ₡572.1K

69.91%

Buy Apartment in City Center (m2)

$2,348 $2,348

$2,301 ₡1.0M

2.03%

Buy Apartment Outside City Center (m2)

$2,575 $2,575

$1,833 ₡821.9K

40.52%

Average Monthly Net Salary (After Tax)

$1,029 ₡461.3K

20-Year Fixed Mortgage Interest Rate (Annual %)

6.72

8.62

-22.04%

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 San Jose: October 18, 2026

Monthly budget structure

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

Accommodation & Living

O'Fallon, IL

$1.3K 50%

San Jose

$760 39.5% 41.3% $535

Groceries & Markets

O'Fallon, IL

$456 17.6%

San Jose

$403 21% 11.5% $52

Monthly Utilities & Internet

O'Fallon, IL

$387 14.9%

San Jose

$189 9.8% 51.1% $198

Eating Out

O'Fallon, IL

$287 11.1%

San Jose

$229 11.9% 20.3% $58

Clothing & Footwear

O'Fallon, IL

$80 3.1%

San Jose

$174 9.1% 117% $94

Sport & Entertainment

O'Fallon, IL

$67 2.6%

San Jose

$88 4.6% 31.7% $21

Getting Around

O'Fallon, IL

$20 * 0.8%

San Jose

$80 4.2% 301% $60

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

Cost Breakdown

A central one-bedroom costs $1,602 in O'Fallon, IL versus $932 in San Jose. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.

A mid-range dinner for two costs $74.0 in O'Fallon, IL versus $62.0 in San Jose. Monthly groceries follow the same trend: $456 vs $403 – making San Jose the more affordable choice for daily food spending.

Good to know

🇺🇸 O'Fallon, IL

🇨🇷 San Jose

🕒 Local time

19:58 7:58 PM

18:58 6:58 PM

1 h behind O'Fallon, IL

🌤 Weather

👥 Population

94,074

342,188 Capital

💱 Currency

United States Dollar USD $

Costa Rican Colón CRC ₡

📈 Exchange rate

1 USD = 0.89 EUR

1,000 CRC = 2.23 USD

1,000 CRC = 1.98 EUR

Exchange rates and currency converter

CRC, EUR to USD – United States Dollar Converter

🇨🇷 Costa Rican Colón (₡)

🇺🇸 United States Dollar ($)

United States Dollar exchange rates as of October 22, 2026: 1 EUR = 1.12 USD (1 USD = 0.89 EUR).

Costa Rican Colón exchange rates as of October 22, 2026: 1 USD = 448 CRC (1,000 CRC = 2.23 USD). 1 EUR = 504 CRC (1,000 CRC = 1.98 EUR).

CRC to USD in detail →

On the map

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Between locations

O'Fallon, IL San Jose 3,240 km ≈ 4 h 30 min nonstop flight

From you

O'Fallon, IL
San Jose

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 San Jose: Cost of Living - Frequently Asked Questions

Yes – O'Fallon, IL is pricier by about 35%, and outside of rent the gap shows up most in clothing.

For a comfortable life, plan on about $3,886 per month in O'Fallon, IL and $2,886 in San Jose. That covers rent, food, utilities, transport, and enough left over to feel settled – not just surviving.

Rent is clearly cheaper in San Jose, especially for central apartments. Housing is actually the single biggest factor behind the overall cost gap between these two cities.

Monthly expenses with rent come to $2,591 in O'Fallon, IL and $1,924 in San Jose. That's a gap of about 35%.

Kindergarten costs $663 per month in O'Fallon, IL and $1,005 in San Jose. For families with young kids, this one expense can tip the scales when choosing between the two cities.

A $2,500 monthly budget goes further in San Jose, where all-in costs run around $1,924, than in O'Fallon, IL at $2,591. In San Jose it covers expenses comfortably, while in O'Fallon, IL it requires careful planning or may not stretch far enough.

Families tend to lean toward San Jose – lower housing and cheaper childcare make a real difference, especially on a single income or when paying for private education.

Both have safer and rougher neighborhoods, but overall safety is comparable to other large cities. Neighborhood choice matters more than the city-level comparison – central, well-trafficked areas feel secure in both.

If budget matters most, go with San Jose. If higher salaries, better infrastructure, or specific career opportunities are the priority, O'Fallon, IL makes more sense. Both are solid long-term options with distinct trade-offs.