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: $3,604 in Seattle, WA versus $2,450 in O'Fallon, MO.

Estimated couple costs with rent: $5,549 in Seattle, WA versus $3,522 in O'Fallon, MO.

Monthly costs for a family of three with rent: $7,494 in Seattle, WA versus $4,595 in O'Fallon, MO.

Living in Seattle, WA is roughly 47% more expensive than in O'Fallon, MO, driven mainly by Groceries & Markets.

Both cities are pricier than the global median: Seattle, WA 170% above, O'Fallon, MO 83% above.

Meal at Budget Restaurant

$24.78 $24.78

$19.90 $19.90

24.52%

Three-Course Dinner for Two, Mid-Range

$122 $122

$78.5 $78.5

55.00%

Fast Food Meal (McDonalds, etc)

$14.02 $14.02

$9.10 $9.10

54.07%

Cappuccino

$5.56 $5.56

$3.53 $3.53

57.51%

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

$3.05 $3.05

$2.39 $2.39

27.62%

Water (0.33 liter bottle)

$2.39 $2.39

$1.51 $1.51

58.28%

Local Beer (0.5 liter draught)

$7.94 $7.94

$2.52 $2.52

215.08%

Imported Beer (0.33 liter bottle)

$8.09 $8.09

$3.44 $3.44

135.17%

Milk (1 liter)

$1.38 $1.38

$0.92 $0.92

50.00%

White Bread (500g)

$4.95 $4.95

$3.21 $3.21

54.21%

Rice (white) (1kg)

$5.35 $5.35

$3.26 $3.26

64.11%

Eggs

$6.59 $6.59

$2.94 $2.94

124.15%

Local Cheese (1kg)

$24.87 $24.87

$7.06 $7.06

252.27%

Chicken Fillets (1kg)

$15.92 $15.92

$10.69 $10.69

48.92%

Beef Round Steak (1kg)

$20.21 $20.21

$13.07 $13.07

54.63%

Apples (1kg)

$6.17 $6.17

$4.47 $4.47

38.03%

Banana (1kg)

$2.76 $2.76

$1.50 $1.50

84.00%

Oranges (1kg)

$5.38 $5.38

$6.16 $6.16

-12.66%

Tomato (1kg)

$6.52 $6.52

$5.35 $5.35

21.87%

Potato (1kg)

$3.21 $3.21

$3.46 $3.46

-7.23%

Onion (1kg)

$3.75 $3.75

$2.70 $2.70

38.89%

Lettuce (1 head)

$2.84 $2.84

$1.71 $1.71

66.08%

Water (1.5 liter bottle)

$2.62 $2.62

$1.96 $1.96

33.67%

Cigarettes 20 Pack (Marlboro, Camel)

$11.69 $11.69

$6.15 $6.15

90.08%

Wine (Bottle)

$15.46 $15.46

$8.27 $8.27

86.94%

Local Beer (0.5 liter bottle)

$2.83 $2.83

$1.95 $1.95

45.13%

Imported Beer (0.33 liter bottle)

$4.25 $4.25

$2.22 $2.22

91.44%

One-way Ticket (Public Transport)

$2.76 $2.76

$2.06 $2.06

33.98%

Public Transport Monthly Pass (Regular Price)

$97.8 $97.8

$219 $219

-55.42%

Taxi Start (Normal Tariff)

$2.60 $2.60

$2.53 $2.53

2.77%

Taxi (Normal Tariff) (1km)

$1.65 $1.65

$2.15 $2.15

-23.26%

Taxi 1hour Waiting (Normal Tariff)

$29.77 $29.77

$20.92 $20.92

42.30%

Gasoline (1 liter)

$1.14 $1.14

$0.76 $0.76

50.00%

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

$33.1K $33.1K

$23.7K $23.7K

39.67%

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

$25.9K $25.9K

$23.9K $23.9K

8.57%

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

$270 $270

$125 $125

115.53%

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

$59.7 $59.7

$60.7 $60.7

-1.63%

Internet (50+ Mbps, Unlimited Data)

$74.3 $74.3

$53.8 $53.8

38.15%

Gym Membership (Monthly)

$77.7 $77.7

$42.18 $42.18

84.23%

Tennis Court (1 Hour on Weekend)

$41.03 $41.03

Cinema Ticket

$15.78 $15.78

$10.33 $10.33

52.76%

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

$2,279 $2,279

$988 $988

130.69%

International Primary School, 1 Child (Yearly)

$29.8K $29.8K

$19.9K $19.9K

49.70%

Jeans (Levis 501 Or Similar)

$69.8 $69.8

$53.8 $53.8

29.82%

Summer Dress (H&M, Zara, etc)

$52.3 $52.3

$42.76 $42.76

22.22%

Sport Shoes (Adidas, Nike)

$117 $117

$77.8 $77.8

50.94%

Men's Leather Business Shoes

$143 $143

$69.5 $69.5

106.33%

1-bedroom Apartment, City Center (Monthly)

$2,332 $2,332

$1,218 $1,218

91.46%

1-bedroom Apartment, Outside City Center (Monthly)

$1,899 $1,899

$1,202 $1,202

58.05%

3-bedroom Apartment, City Center (Monthly)

$4,756 $4,756

$1,675 $1,675

183.93%

3-bedroom Apartment, Outside City Center (Monthly)

$3,472 $3,472

$1,608 $1,608

116.00%

Buy Apartment in City Center (m2)

$7,709 $7,709

$1,554 $1,554

396.01%

Buy Apartment Outside City Center (m2)

$4,983 $4,983

$1,614 $1,614

208.73%

Average Monthly Net Salary (After Tax)

$6,641 $6,641

$5,673 $5,673

17.07%

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: July 19, 2026

Last update for O'Fallon, MO: July 20, 2026

Cost Breakdown

A one-bedroom apartment in the center runs $2,332 in Seattle, WA and $1,218 in O'Fallon, MO. Housing cost is often the main lever when comparing two cities.

Seattle, WA pays 17% 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: $122 in Seattle, WA vs $79.0 in O'Fallon, MO for a mid-range dinner for two. Groceries echo the gap at $541 vs $340 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 47% 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 17% 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: $2,332 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 $2,279 in Seattle, WA versus $988 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 59% higher in Seattle, WA. For households that cook at home regularly, that difference adds up over a month.

At $2,450 in O'Fallon, MO versus $3,604 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 $2,450 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 47% less than in Seattle, WA. Beyond cost, consider language, visa policies, and how big the international community is in each city.