Cost of Living Comparison Between Castle Rock, CO and Seattle, WA Cost of Living Comparison Between Castle Rock, CO and Seattle, WA

Monthly Cost of Living

Monthly costs for one person with rent: $1,252 in Castle Rock, CO versus $3,836 in Seattle, WA.

Estimated couple costs with rent: $1,966 in Castle Rock, CO versus $5,763 in Seattle, WA.

Monthly costs for a family of three with rent: $2,679 in Castle Rock, CO versus $7,691 in Seattle, WA.

Living in Castle Rock, CO costs roughly 67% less than in Seattle, WA, driven mainly by Groceries & Markets.

The two cities straddle the global median: Castle Rock, CO is 9% below, Seattle, WA is 179% above.

Meal at Budget Restaurant

$17.91 $17.91

$24.68 $24.68

-27.43%

Three-Course Dinner for Two, Mid-Range

$78.5 $78.5

$99.1 $99.1

-20.79%

Fast Food Meal (McDonalds, etc)

$9.37 $9.37

$15.09 $15.09

-37.91%

Cappuccino

$5.44 $5.44

$6.62 $6.62

-17.82%

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

$2.44 $2.44

$3.13 $3.13

-22.04%

Water (0.33 liter bottle)

$1.89 $1.89

$2.98 $2.98

-36.58%

Local Beer (0.5 liter draught)

$7.09 $7.09

$8.12 $8.12

-12.68%

Imported Beer (0.33 liter bottle)

$6.05 $6.05

$7.85 $7.85

-22.93%

Milk (1 liter)

$1.00 $1.00

$1.17 $1.17

-14.53%

White Bread (500g)

$2.98 $2.98

$5.20 $5.20

-42.69%

Rice (white) (1kg)

$2.83 $2.83

$6.40 $6.40

-55.78%

Eggs

$4.38 $4.38

$4.91 $4.91

-10.79%

Local Cheese (1kg)

$11.16 $11.16

$21.46 $21.46

-48.00%

Chicken Fillets (1kg)

$10.28 $10.28

$18.58 $18.58

-44.67%

Beef Round Steak (1kg)

$20.75 $20.75

$23.05 $23.05

-9.98%

Apples (1kg)

$5.18 $5.18

$5.79 $5.79

-10.54%

Banana (1kg)

$1.39 $1.39

$1.88 $1.88

-26.06%

Oranges (1kg)

$3.75 $3.75

$5.38 $5.38

-30.30%

Tomato (1kg)

$5.14 $5.14

$6.30 $6.30

-18.41%

Potato (1kg)

$2.87 $2.87

$3.80 $3.80

-24.47%

Onion (1kg)

$3.30 $3.30

$3.26 $3.26

1.23%

Lettuce (1 head)

$1.26 $1.26

$2.87 $2.87

-56.10%

Water (1.5 liter bottle)

$1.70 $1.70

$2.71 $2.71

-37.27%

Cigarettes 20 Pack (Marlboro, Camel)

$10.11 $10.11

$14.15 $14.15

-28.55%

Wine (Bottle)

$12.09 $12.09

$15.07 $15.07

-19.77%

Local Beer (0.5 liter bottle)

$2.58 $2.58

$4.36 $4.36

-40.83%

Imported Beer (0.33 liter bottle)

$2.69 $2.69

$5.75 $5.75

-53.22%

One-way Ticket (Public Transport)

$3.06 $3.06

Public Transport Monthly Pass (Regular Price)

$110 $110

Taxi Start (Normal Tariff)

$2.51 $2.51

$2.57 $2.57

-2.33%

Taxi (Normal Tariff) (1km)

$1.83 $1.83

$1.65 $1.65

10.91%

Taxi 1hour Waiting (Normal Tariff)

$25.10 $25.10

$29.88 $29.88

-16.00%

Gasoline (1 liter)

$0.79 $0.79

$1.38 $1.38

-42.75%

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

$35.1K $35.1K

$36.4K $36.4K

-3.75%

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

$25.2K $25.2K

$25.1K $25.1K

0.54%

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

$217 $217

$296 $296

-26.64%

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

$39.22 $39.22

$71.3 $71.3

-44.96%

Internet (50+ Mbps, Unlimited Data)

$69.5 $69.5

$88.0 $88.0

-21.02%

Gym Membership (Monthly)

$60.6 $60.6

$81.5 $81.5

-25.67%

Tennis Court (1 Hour on Weekend)

$35.70 $35.70

Cinema Ticket

$12.22 $12.22

$18.33 $18.33

-33.33%

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

$1,316 $1,316

$3,067 $3,067

-57.11%

International Primary School, 1 Child (Yearly)

$17.8K $17.8K

$30.6K $30.6K

-41.79%

Jeans (Levis 501 Or Similar)

$54.3 $54.3

$77.0 $77.0

-29.41%

Summer Dress (H&M, Zara, etc)

$50.4 $50.4

$54.0 $54.0

-6.54%

Sport Shoes (Adidas, Nike)

$80.1 $80.1

$128 $128

-37.28%

Men's Leather Business Shoes

$117 $117

$165 $165

-29.33%

1-bedroom Apartment, City Center (Monthly)

$1,706 $1,706

$2,418 $2,418

-29.45%

1-bedroom Apartment, Outside City Center (Monthly)

$1,931 $1,931

3-bedroom Apartment, City Center (Monthly)

$4,756 $4,756

3-bedroom Apartment, Outside City Center (Monthly)

$3,584 $3,584

Buy Apartment in City Center (m2)

$7,403 $7,403

Buy Apartment Outside City Center (m2)

$5,056 $5,056

Average Monthly Net Salary (After Tax)

$5,850 $5,850

$6,320 $6,320

-7.44%

20-Year Fixed Mortgage Interest Rate (Annual %)

6.08

6.42

-5.30%

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

Last update for Castle Rock, CO: August 30, 2026

Last update for Seattle, WA: August 31, 2026

Cost Breakdown

A one-bedroom apartment in the center runs $1,706 in Castle Rock, CO and $2,418 in Seattle, WA. Housing cost is often the main lever when comparing two cities.

Seattle, WA pays 8% 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: $78.0 in Castle Rock, CO vs $99.0 in Seattle, WA for a mid-range dinner for two. Groceries echo the gap at $374 vs $554 per month, with Castle Rock, CO 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

Castle Rock, CO vs Seattle, WA: Cost of Living - Frequently Asked Questions

Castle Rock, CO and Seattle, WA differ by about 206% in total monthly costs ($1,252 vs $3,836 including rent). Castle Rock, CO is meaningfully more affordable – a gap that matters a lot on a fixed or modest income.

On paper, salaries run 8% 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: $1,706 in Castle Rock, CO versus $2,418 in Seattle, WA. Housing is usually the single largest factor when comparing overall living costs between the two.

Supermarket bills run roughly 48% higher in Seattle, WA. For households that cook at home regularly, that difference adds up over a month.

All in, you'll spend $1,252 per month in Castle Rock, CO versus $3,836 in Seattle, WA – a 206% gap that adds up to real savings over time for anyone picking the cheaper option.

Both cities are expensive relative to $3,000. Castle Rock, CO is the more realistic option, but even there you'll need to be disciplined with housing, food, and fun money.

Both cities offer a good standard of living with different trade-offs. Neither is objectively better – the right pick depends on what matters most: affordability, career, cultural scene, or climate.

Safety-wise, Castle Rock, CO and Seattle, WA are on par. Petty crime is typical for cities this size, and most residents feel comfortable going about their daily routines in either place.

Expats usually find Castle Rock, CO gentler on the wallet – expenses run 206% less than in Seattle, WA. Beyond cost, consider language, visa policies, and how big the international community is in each city.