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

Monthly Cost of Living

Monthly costs for one person with rent: $3,661 in Seattle, WA versus $2,473 in O'Fallon, MO.

Estimated couple costs with rent: $5,544 in Seattle, WA versus $3,542 in O'Fallon, MO.

Monthly costs for a family of three with rent: $7,427 in Seattle, WA versus $4,610 in O'Fallon, MO.

Living in Seattle, WA is roughly 48% more expensive than O'Fallon, MO, driven mainly by Groceries & Markets.

Both cities are pricier than the global median: Seattle, WA 173% above, O'Fallon, MO 85% above.

Meal at Budget Restaurant

$25.32 $25.32

$20.08 $20.08

26.10%

Three-Course Dinner for Two, Mid-Range

$121 $121

$79.5 $79.5

52.40%

Fast Food Meal (McDonalds, etc)

$14.11 $14.11

$9.18 $9.18

53.70%

Cappuccino

$5.82 $5.82

$3.55 $3.55

63.94%

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

$2.98 $2.98

$2.30 $2.30

29.57%

Water (0.33 liter bottle)

$2.40 $2.40

$1.46 $1.46

64.38%

Local Beer (0.5 liter draught)

$7.73 $7.73

$2.43 $2.43

218.11%

Imported Beer (0.33 liter bottle)

$7.87 $7.87

$3.54 $3.54

122.32%

Milk (1 liter)

$1.34 $1.34

$0.97 $0.97

38.14%

White Bread (500g)

$4.91 $4.91

$3.34 $3.34

47.01%

Rice (white) (1kg)

$5.14 $5.14

$3.25 $3.25

58.15%

Eggs

$6.57 $6.57

$2.97 $2.97

121.21%

Local Cheese (1kg)

$24.64 $24.64

$7.16 $7.16

244.13%

Chicken Fillets (1kg)

$15.88 $15.88

$10.44 $10.44

52.11%

Beef Round Steak (1kg)

$20.14 $20.14

$12.85 $12.85

56.73%

Apples (1kg)

$6.27 $6.27

$4.55 $4.55

37.80%

Banana (1kg)

$2.86 $2.86

$1.51 $1.51

89.40%

Oranges (1kg)

$5.29 $5.29

$5.95 $5.95

-11.09%

Tomato (1kg)

$6.39 $6.39

$5.56 $5.56

14.93%

Potato (1kg)

$3.21 $3.21

$3.54 $3.54

-9.32%

Onion (1kg)

$3.83 $3.83

$2.70 $2.70

41.85%

Lettuce (1 head)

$2.74 $2.74

$1.67 $1.67

64.07%

Water (1.5 liter bottle)

$2.58 $2.58

$2.05 $2.05

25.85%

Cigarettes 20 Pack (Marlboro, Camel)

$11.64 $11.64

$6.07 $6.07

91.76%

Wine (Bottle)

$15.77 $15.77

$8.41 $8.41

87.51%

Local Beer (0.5 liter bottle)

$2.88 $2.88

$1.99 $1.99

44.72%

Imported Beer (0.33 liter bottle)

$4.39 $4.39

$2.28 $2.28

92.54%

One-way Ticket (Public Transport)

$2.76 $2.76

$1.94 $1.94

42.27%

Public Transport Monthly Pass (Regular Price)

$98.8 $98.8

$220 $220

-55.11%

Taxi Start (Normal Tariff)

$2.67 $2.67

$2.51 $2.51

6.37%

Taxi (Normal Tariff) (1km)

$1.70 $1.70

$2.25 $2.25

-24.44%

Taxi 1hour Waiting (Normal Tariff)

$29.74 $29.74

$21.32 $21.32

39.49%

Gasoline (1 liter)

$1.14 $1.14

$0.75 $0.75

52.00%

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

$32.9K $32.9K

$24.4K $24.4K

34.71%

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

$26.0K $26.0K

$24.0K $24.0K

8.12%

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

$268 $268

$125 $125

114.44%

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

$60.9 $60.9

$59.6 $59.6

2.30%

Internet (50+ Mbps, Unlimited Data)

$76.2 $76.2

$54.0 $54.0

41.14%

Gym Membership (Monthly)

$78.1 $78.1

$43.19 $43.19

80.71%

Tennis Court (1 Hour on Weekend)

$40.15 $40.15

Cinema Ticket

$15.82 $15.82

$10.42 $10.42

51.82%

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

$2,252 $2,252

$1,018 $1,018

121.22%

International Primary School, 1 Child (Yearly)

$29.7K $29.7K

$20.0K $20.0K

48.36%

Jeans (Levis 501 Or Similar)

$70.8 $70.8

$53.7 $53.7

31.84%

Summer Dress (H&M, Zara, etc)

$53.1 $53.1

$42.59 $42.59

24.77%

Sport Shoes (Adidas, Nike)

$117 $117

$77.1 $77.1

52.00%

Men's Leather Business Shoes

$139 $139

$70.0 $70.0

98.09%

1-bedroom Apartment, City Center (Monthly)

$2,310 $2,310

$1,218 $1,218

89.70%

1-bedroom Apartment, Outside City Center (Monthly)

$1,849 $1,849

$1,175 $1,175

57.36%

3-bedroom Apartment, City Center (Monthly)

$4,739 $4,739

$1,696 $1,696

179.42%

3-bedroom Apartment, Outside City Center (Monthly)

$3,556 $3,556

$1,661 $1,661

114.06%

Buy Apartment in City Center (m2)

$7,775 $7,775

$1,549 $1,549

402.08%

Buy Apartment Outside City Center (m2)

$5,351 $5,351

$1,630 $1,630

228.24%

Average Monthly Net Salary (After Tax)

$6,575 $6,575

$5,768 $5,768

14.00%

20-Year Fixed Mortgage Interest Rate (Annual %)

6.42

6.25

2.72%

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

Last update for Seattle, WA: April 21, 2026

Last update for O'Fallon, MO: April 21, 2026

Cost Breakdown

A one-bedroom apartment in the center runs $2,310 in Seattle, WA and $1,218 in O'Fallon, MO. Housing cost is often the main lever when comparing two cities.

Seattle, WA pays 14% 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: $121 in Seattle, WA vs $80 in O'Fallon, MO for a mid-range dinner for two. Groceries echo the gap at $539 vs $342 per month, with O'Fallon, MO cheaper across the board.

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 48% 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.

Seattle, WA pays 14% more on average, 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: $2,310 in Seattle, WA versus $1,218 in O'Fallon, MO. Housing is usually the single largest factor when comparing overall living costs between the two.

Childcare runs $2,252 in Seattle, WA versus $1,018 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 57% higher in Seattle, WA. For households that cook at home regularly, that difference adds up over a month.

At $2,473 in O'Fallon, MO versus $3,661 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 $2,473 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 48% less than in Seattle, WA. Beyond cost, consider language, visa policies, and how big the international community is in each city.