Last update: Oct 2026

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

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.

184

Cost of Living Index in Seattle, WA
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Seattle, WA Living Index
115

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

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Seattle, WA

🇺🇸 United States

$3,782

/mo nomad

O'Fallon, MO

🇺🇸 United States

$2,381

/mo nomad

Monthly Cost of Living

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

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

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

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

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

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

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

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

Living in Seattle, WA is roughly 59% more expensive than in O'Fallon, MO, and outside of rent the biggest gap is in groceries.

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

Meal at Budget Restaurant

$24.52 $24.52

$20.03 $20.03

22.42%

Three-Course Dinner for Two, Mid-Range

$98.2 $98.2

$60.5 $60.5

62.43%

Fast Food Meal (McDonalds, etc)

$14.79 $14.79

$9.30 $9.30

59.03%

Cappuccino

$6.52 $6.52

$3.40 $3.40

91.76%

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

$3.23 $3.23

$2.29 $2.29

41.05%

Water (0.33 liter bottle)

$3.17 $3.17

$1.53 $1.53

107.19%

Local Beer (0.5 liter draught)

$7.85 $7.85

$2.45 $2.45

220.41%

Imported Beer (0.33 liter bottle)

$8.03 $8.03

$3.56 $3.56

125.56%

Milk (1 liter)

$1.21 $1.21

$0.93 $0.93

30.11%

White Bread (500g)

$5.14 $5.14

$3.35 $3.35

53.43%

Rice (white) (1kg)

$6.05 $6.05

$2.19 $2.19

176.26%

Eggs

$4.88 $4.88

$2.99 $2.99

63.21%

Local Cheese (1kg)

$19.18 $19.18

$7.32 $7.32

162.02%

Chicken Fillets (1kg)

$18.91 $18.91

$8.67 $8.67

118.11%

Beef Round Steak (1kg)

$23.31 $23.31

$13.06 $13.06

78.48%

Apples (1kg)

$5.99 $5.99

$4.48 $4.48

33.71%

Banana (1kg)

$1.93 $1.93

$1.08 $1.08

78.70%

Oranges (1kg)

$5.25 $5.25

$2.99 $2.99

75.59%

Tomato (1kg)

$6.57 $6.57

$4.48 $4.48

46.65%

Potato (1kg)

$3.62 $3.62

$1.70 $1.70

112.94%

Onion (1kg)

$3.31 $3.31

$2.35 $2.35

40.85%

Lettuce (1 head)

$2.78 $2.78

$1.68 $1.68

65.48%

Water (1.5 liter bottle)

$2.51 $2.51

$1.97 $1.97

27.41%

Cigarettes 20 Pack (Marlboro, Camel)

$12.18 $12.18

$6.05 $6.05

101.32%

Wine (Bottle)

$14.83 $14.83

$8.30 $8.30

78.67%

Local Beer (0.5 liter bottle)

$4.22 $4.22

$1.85 $1.85

128.11%

Imported Beer (0.33 liter bottle)

$5.77 $5.77

$2.22 $2.22

159.91%

One-way Ticket (Public Transport)

$2.95 $2.95

Public Transport Monthly Pass (Regular Price)

$106 $106

$217 $217

-51.13%

Taxi Start (Normal Tariff)

$2.65 $2.65

$2.93 $2.93

-9.56%

Taxi (Normal Tariff) (1km)

$1.72 $1.72

$1.41 $1.41

21.99%

Taxi 1hour Waiting (Normal Tariff)

$29.72 $29.72

$36.45 $36.45

-18.46%

Gasoline (1 liter)

$1.49 $1.49

$1.02 $1.02

46.08%

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

$35.9K $35.9K

$24.2K $24.2K

48.62%

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

$26.2K $26.2K

$24.2K $24.2K

8.52%

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

$302 $302

$123 $123

144.68%

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

$70.1 $70.1

$58.5 $58.5

19.82%

Internet (50+ Mbps, Unlimited Data)

$85.3 $85.3

$70.7 $70.7

20.59%

Gym Membership (Monthly)

$77.8 $77.8

Tennis Court (1 Hour on Weekend)

$34.58 $34.58

Cinema Ticket

$17.84 $17.84

$10.06 $10.06

77.34%

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

$2,973 $2,973

$768 $768

286.96%

International Primary School, 1 Child (Yearly)

$31.3K $31.3K

$20.3K $20.3K

54.06%

Jeans (Levis 501 Or Similar)

$76.6 $76.6

$54.1 $54.1

41.59%

Summer Dress (H&M, Zara, etc)

$54.1 $54.1

$37.31 $37.31

44.87%

Sport Shoes (Adidas, Nike)

$128 $128

$76.7 $76.7

67.11%

Men's Leather Business Shoes

$164 $164

$70.2 $70.2

133.91%

1-bedroom Apartment, City Center (Monthly)

$2,445 $2,445

$1,181 $1,181

107.02%

1-bedroom Apartment, Outside City Center (Monthly)

$1,947 $1,947

$1,208 $1,208

61.09%

3-bedroom Apartment, City Center (Monthly)

$4,744 $4,744

$1,687 $1,687

181.27%

3-bedroom Apartment, Outside City Center (Monthly)

$3,469 $3,469

$1,641 $1,641

111.33%

Buy Apartment in City Center (m2)

$7,367 $7,367

$1,586 $1,586

364.38%

Buy Apartment Outside City Center (m2)

$5,127 $5,127

$1,613 $1,613

217.84%

Average Monthly Net Salary (After Tax)

$6,506 $6,506

$5,001 $5,001

30.11%

20-Year Fixed Mortgage Interest Rate (Annual %)

6.89

6.25

10.24%

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

Last update for Seattle, WA: October 19, 2026

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

Monthly budget structure

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

Accommodation & Living

Seattle, WA

$1.9K 51.5%

O'Fallon, MO

$1.2K 50.8% 37.9% $738

Groceries & Markets

Seattle, WA

$546 14.4%

O'Fallon, MO

$302 12.7% 44.7% $244

Monthly Utilities & Internet

Seattle, WA

$457 12.1%

O'Fallon, MO

$253 10.6% 44.8% $205

Eating Out

Seattle, WA

$400 10.6%

O'Fallon, MO

$264 11.1% 34.1% $136

Clothing & Footwear

Seattle, WA

$190 5%

O'Fallon, MO

$107 4.5% 43.7% $83

Getting Around

Seattle, WA

$129 3.4%

O'Fallon, MO

$227 * 9.6% 75.9% $98

Sport & Entertainment

Seattle, WA

$114 3%

O'Fallon, MO

$20 * 0.9% 82.3% $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 $2,445 in Seattle, WA and $1,181 in O'Fallon, MO. 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: $98.0 in Seattle, WA vs $60.0 in O'Fallon, MO for a mid-range dinner for two. Groceries echo the gap at $546 vs $302 per month, with O'Fallon, MO cheaper across the board.

Good to know

🇺🇸 Seattle, WA

🇺🇸 O'Fallon, MO

🕒 Local time

16:30 4:30 PM

18:30 6:30 PM

2 h ahead of Seattle, WA

🌤 Weather

👥 Population

737,015

94,074

💱 Currency

United States Dollar USD $

📈 Exchange rate

1 USD = 0.89 EUR

Exchange rates and currency converter

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Between locations

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

From you

Seattle, WA
O'Fallon, MO

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

Seattle, WA vs O'Fallon, MO: 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.

Average pay runs 30% higher in Seattle, WA, which matters when comparing affordability. Whether that higher income actually nets you more depends on your spending habits and housing choices.

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

Childcare runs $2,973 in Seattle, WA versus $768 in O'Fallon, MO. 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.