Last update: Oct 2026

Cost of Living Comparison Between O'Fallon, MO and Seattle, WA

For one person, living is cheaper in O'Fallon, MO: $2,381 a month against $3,782 in Seattle, WA, rent and utilities included – about $16,800 less a year. Rent and utilities account for most of the difference.

115

Cost of Living Index in O'Fallon, MO
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O'Fallon, MO Living Index
184

Cost of Living Index in Seattle, WA
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Seattle, WA Living Index

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O'Fallon, MO

🇺🇸 United States

$2,381

/mo nomad

Seattle, WA

🇺🇸 United States

$3,782

/mo nomad

Monthly Cost of Living

How much you'll spend in O'Fallon, MO and in Seattle, WA

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

Monthly costs for one person with rent: $2,381 in O'Fallon, MO versus $3,782 in Seattle, WA.

O'Fallon, MO $2,381
Seattle, WA $3,782

Estimated couple costs with rent: $3,305 in O'Fallon, MO versus $5,636 in Seattle, WA.

O'Fallon, MO $3,305
Seattle, WA $5,636

Monthly costs for a family of three with rent: $4,229 in O'Fallon, MO versus $7,489 in Seattle, WA.

O'Fallon, MO $4,229
Seattle, WA $7,489

Living in O'Fallon, MO costs roughly 37% less than in Seattle, WA, and outside of rent the biggest gap is in groceries.

Both cities are pricier than the global median: O'Fallon, MO 76% above, Seattle, WA 179% above.

Meal at Budget Restaurant

$20.03 $20.03

$24.52 $24.52

-18.31%

Three-Course Dinner for Two, Mid-Range

$60.5 $60.5

$98.2 $98.2

-38.43%

Fast Food Meal (McDonalds, etc)

$9.30 $9.30

$14.79 $14.79

-37.12%

Cappuccino

$3.40 $3.40

$6.52 $6.52

-47.85%

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

$2.29 $2.29

$3.23 $3.23

-29.10%

Water (0.33 liter bottle)

$1.53 $1.53

$3.17 $3.17

-51.74%

Local Beer (0.5 liter draught)

$2.45 $2.45

$7.85 $7.85

-68.79%

Imported Beer (0.33 liter bottle)

$3.56 $3.56

$8.03 $8.03

-55.67%

Milk (1 liter)

$0.93 $0.93

$1.21 $1.21

-23.14%

White Bread (500g)

$3.35 $3.35

$5.14 $5.14

-34.82%

Rice (white) (1kg)

$2.19 $2.19

$6.05 $6.05

-63.80%

Eggs

$2.99 $2.99

$4.88 $4.88

-38.73%

Local Cheese (1kg)

$7.32 $7.32

$19.18 $19.18

-61.84%

Chicken Fillets (1kg)

$8.67 $8.67

$18.91 $18.91

-54.15%

Beef Round Steak (1kg)

$13.06 $13.06

$23.31 $23.31

-43.97%

Apples (1kg)

$4.48 $4.48

$5.99 $5.99

-25.21%

Banana (1kg)

$1.08 $1.08

$1.93 $1.93

-44.04%

Oranges (1kg)

$2.99 $2.99

$5.25 $5.25

-43.05%

Tomato (1kg)

$4.48 $4.48

$6.57 $6.57

-31.81%

Potato (1kg)

$1.70 $1.70

$3.62 $3.62

-53.04%

Onion (1kg)

$2.35 $2.35

$3.31 $3.31

-29.00%

Lettuce (1 head)

$1.68 $1.68

$2.78 $2.78

-39.57%

Water (1.5 liter bottle)

$1.97 $1.97

$2.51 $2.51

-21.51%

Cigarettes 20 Pack (Marlboro, Camel)

$6.05 $6.05

$12.18 $12.18

-50.33%

Wine (Bottle)

$8.30 $8.30

$14.83 $14.83

-44.03%

Local Beer (0.5 liter bottle)

$1.85 $1.85

$4.22 $4.22

-56.16%

Imported Beer (0.33 liter bottle)

$2.22 $2.22

$5.77 $5.77

-61.53%

One-way Ticket (Public Transport)

$2.95 $2.95

Public Transport Monthly Pass (Regular Price)

$217 $217

$106 $106

104.63%

Taxi Start (Normal Tariff)

$2.93 $2.93

$2.65 $2.65

10.57%

Taxi (Normal Tariff) (1km)

$1.41 $1.41

$1.72 $1.72

-18.02%

Taxi 1hour Waiting (Normal Tariff)

$36.45 $36.45

$29.72 $29.72

22.64%

Gasoline (1 liter)

$1.02 $1.02

$1.49 $1.49

-31.54%

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

$24.2K $24.2K

$35.9K $35.9K

-32.71%

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

$24.2K $24.2K

$26.2K $26.2K

-7.85%

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

$123 $123

$302 $302

-59.13%

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

$58.5 $58.5

$70.1 $70.1

-16.54%

Internet (50+ Mbps, Unlimited Data)

$70.7 $70.7

$85.3 $85.3

-17.08%

Gym Membership (Monthly)

$77.8 $77.8

Tennis Court (1 Hour on Weekend)

$34.58 $34.58

Cinema Ticket

$10.06 $10.06

$17.84 $17.84

-43.61%

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

$768 $768

$2,973 $2,973

-74.16%

International Primary School, 1 Child (Yearly)

$20.3K $20.3K

$31.3K $31.3K

-35.09%

Jeans (Levis 501 Or Similar)

$54.1 $54.1

$76.6 $76.6

-29.38%

Summer Dress (H&M, Zara, etc)

$37.31 $37.31

$54.1 $54.1

-30.97%

Sport Shoes (Adidas, Nike)

$76.7 $76.7

$128 $128

-40.16%

Men's Leather Business Shoes

$70.2 $70.2

$164 $164

-57.25%

1-bedroom Apartment, City Center (Monthly)

$1,181 $1,181

$2,445 $2,445

-51.70%

1-bedroom Apartment, Outside City Center (Monthly)

$1,208 $1,208

$1,947 $1,947

-37.92%

3-bedroom Apartment, City Center (Monthly)

$1,687 $1,687

$4,744 $4,744

-64.45%

3-bedroom Apartment, Outside City Center (Monthly)

$1,641 $1,641

$3,469 $3,469

-52.68%

Buy Apartment in City Center (m2)

$1,586 $1,586

$7,367 $7,367

-78.47%

Buy Apartment Outside City Center (m2)

$1,613 $1,613

$5,127 $5,127

-68.54%

Average Monthly Net Salary (After Tax)

$5,001 $5,001

$6,506 $6,506

-23.14%

20-Year Fixed Mortgage Interest Rate (Annual %)

6.25

6.89

-9.29%

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

Last update for O'Fallon, MO: October 18, 2026

Last update for Seattle, WA: October 19, 2026

Monthly budget structure

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

Accommodation & Living

O'Fallon, MO

$1.2K 50.8%

Seattle, WA

$1.9K 51.5% 61.1% $738

Groceries & Markets

O'Fallon, MO

$302 12.7%

Seattle, WA

$546 14.4% 80.9% $244

Eating Out

O'Fallon, MO

$264 11.1%

Seattle, WA

$400 10.6% 51.6% $136

Monthly Utilities & Internet

O'Fallon, MO

$253 10.6%

Seattle, WA

$457 12.1% 81% $205

Getting Around

O'Fallon, MO

$227 * 9.6%

Seattle, WA

$129 3.4% 43.1% $98

Clothing & Footwear

O'Fallon, MO

$107 4.5%

Seattle, WA

$190 5% 77.5% $83

Sport & Entertainment

O'Fallon, MO

$20 * 0.9%

Seattle, WA

$114 3% 464% $93

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 $1,181 in O'Fallon, MO and $2,445 in Seattle, WA. Housing cost is often the main lever when comparing two cities.

Seattle, WA pays 30% more on average. The extra income cushions the higher costs, though housing choices and lifestyle decide how much of the gap is truly closed.

Dining out: $60.0 in O'Fallon, MO vs $98.0 in Seattle, WA for a mid-range dinner for two. Groceries echo the gap at $302 vs $546 per month, with O'Fallon, MO cheaper across the board.

Good to know

🇺🇸 O'Fallon, MO

🇺🇸 Seattle, WA

🕒 Local time

17:51 5:51 PM

15:51 3:51 PM

2 h behind O'Fallon, MO

🌤 Weather

👥 Population

94,074

737,015

💱 Currency

United States Dollar USD $

📈 Exchange rate

1 USD = 0.89 EUR

Exchange rates and currency converter

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Between locations

O'Fallon, MO Seattle, WA 2,720 km ≈ 4 h nonstop flight

From you

O'Fallon, MO
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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, MO vs Seattle, WA: Cost of Living - Frequently Asked Questions

O'Fallon, MO wins on cost – living expenses run 59% lower than in Seattle, WA. Housing and daily spending are where you'll feel the difference most, making O'Fallon, MO the obvious pick if budget is a priority.

On paper, salaries run 30% lower in Seattle, WA. That's worth factoring in alongside costs, though remote workers earning in a stronger currency may not notice the difference at all.

Rent for a central apartment: $1,181 in O'Fallon, MO versus $2,445 in Seattle, WA. Housing is usually the single largest factor when comparing overall living costs between the two.

Childcare runs $768 in O'Fallon, MO versus $2,973 in Seattle, WA. Over years of preschool, even a modest monthly gap compounds into a major financial factor for families.

Supermarket bills run roughly 81% higher in Seattle, WA. For households that cook at home regularly, that difference adds up over a month.

At $2,381 in O'Fallon, MO versus $3,782 in Seattle, WA, a $2,000 budget is realistic in O'Fallon, MO but tight or insufficient in Seattle, WA. The gap between the two cities makes O'Fallon, MO the clear choice for anyone on this budget.

Both work as nomad bases, but O'Fallon, MO delivers better value – similar infrastructure at $2,381 monthly. If stretching your runway or maximizing savings is the goal, the price difference makes O'Fallon, MO hard to pass up.

Expats usually find O'Fallon, MO gentler on the wallet – expenses run 59% less than in Seattle, WA. Beyond cost, consider language, visa policies, and how big the international community is in each city.