Last update: Oct 2026

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

For one person, living is cheaper in Castle Rock, CO: $1,253 a month against $3,800 in Seattle, WA, rent and utilities included – about $30,600 less a year. Rent and utilities account for most of the difference.

Castle Rock, CO
🇺🇸 United States
$1,253
/mo nomad
Seattle, WA
🇺🇸 United States
$3,800
/mo nomad
Monthly Cost of Living

How much you'll spend in Castle Rock, CO 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 Castle Rock, CO and in Seattle, WA actually costs, broken down by who's living it.

Monthly costs for one person with rent: $1,253 in Castle Rock, CO versus $3,800 in Seattle, WA.

  • Castle Rock, CO $1,253
  • Seattle, WA $3,800

Estimated couple costs with rent: $1,980 in Castle Rock, CO versus $5,702 in Seattle, WA.

  • Castle Rock, CO $1,980
  • Seattle, WA $5,702

Monthly costs for a family of three with rent: $2,706 in Castle Rock, CO versus $7,603 in Seattle, WA.

  • Castle Rock, CO $2,706
  • Seattle, WA $7,603

Living in Castle Rock, CO costs roughly 67% less than in Seattle, WA, and outside of rent the biggest gap is in groceries.

The two cities straddle the global median: Castle Rock, CO is 7% below, Seattle, WA is 182% above.

Currency
🍽 Eating Out
Castle Rock, CO
Seattle, WA
Difference
Meal at Budget Restaurant
$22.63 $22.63
$25.32 $25.32
-10.62%
Three-Course Dinner for Two, Mid-Range
$64.0 $64.0
$101 $101
-36.97%
Fast Food Meal (McDonalds, etc)
$9.25 $9.25
$14.85 $14.85
-37.71%
Cappuccino
$5.46 $5.46
$6.59 $6.59
-17.15%
Coke/Pepsi/Fanta/Sprite (0.33 liter bottle)
$2.49 $2.49
$3.22 $3.22
-22.67%
Water (0.33 liter bottle)
$1.88 $1.88
$3.14 $3.14
-40.13%
Local Beer (0.5 liter draught)
$6.79 $6.79
$8.18 $8.18
-16.99%
Imported Beer (0.33 liter bottle)
$6.13 $6.13
$8.03 $8.03
-23.66%
🛒 Groceries & Markets
Castle Rock, CO
Seattle, WA
Difference
Milk (1 liter)
$0.99 $0.99
$1.21 $1.21
-18.18%
White Bread (500g)
$2.92 $2.92
$5.12 $5.12
-42.97%
Rice (white) (1kg)
$2.80 $2.80
$6.30 $6.30
-55.56%
Eggs
$4.15 $4.15
$4.90 $4.90
-15.31%
Local Cheese (1kg)
$11.14 $11.14
$19.10 $19.10
-41.68%
Chicken Fillets (1kg)
$9.44 $9.44
$18.50 $18.50
-48.97%
Beef Round Steak (1kg)
$19.20 $19.20
$23.03 $23.03
-16.63%
Apples (1kg)
$4.84 $4.84
$5.81 $5.81
-16.70%
Banana (1kg)
$1.46 $1.46
$1.95 $1.95
-25.13%
Oranges (1kg)
$3.74 $3.74
$5.29 $5.29
-29.30%
Tomato (1kg)
$5.25 $5.25
$6.48 $6.48
-18.98%
Potato (1kg)
$2.92 $2.92
$3.57 $3.57
-18.21%
Onion (1kg)
$3.20 $3.20
$3.15 $3.15
1.59%
Lettuce (1 head)
$1.31 $1.31
$2.85 $2.85
-54.04%
Water (1.5 liter bottle)
$1.72 $1.72
$2.42 $2.42
-28.93%
Cigarettes 20 Pack (Marlboro, Camel)
$10.17 $10.17
$12.75 $12.75
-20.24%
Wine (Bottle)
$11.81 $11.81
$14.99 $14.99
-21.21%
Local Beer (0.5 liter bottle)
$2.58 $2.58
$4.17 $4.17
-38.13%
Imported Beer (0.33 liter bottle)
$2.74 $2.74
$5.99 $5.99
-54.26%
🚌 Getting Around
Castle Rock, CO
Seattle, WA
Difference
One-way Ticket (Public Transport)
-
$3.04 $3.04
-
Public Transport Monthly Pass (Regular Price)
-
$110 $110
-
Taxi Start (Normal Tariff)
$2.47 $2.47
$2.55 $2.55
-3.14%
Taxi (Normal Tariff) (1km)
$1.90 $1.90
$1.64 $1.64
15.85%
Taxi 1hour Waiting (Normal Tariff)
$24.81 $24.81
$29.58 $29.58
-16.13%
Gasoline (1 liter)
$0.79 $0.79
$1.42 $1.42
-44.37%
Midsize Hatchback 1.4l (Volkswagen Golf, Toyota Prius, Honda Civic, etc)
$35.9K $35.9K
$35.7K $35.7K
0.29%
Compact Sedan 1.6l (Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)
$25.2K $25.2K
$25.6K $25.6K
-1.38%
🧾 Monthly Utilities & Internet
Castle Rock, CO
Seattle, WA
Difference
Utilities for 2 People in 2-bedroom Apartment (Heating, Electricity, Gas, Water, Garbage) (85m2)
$210 $210
$299 $299
-29.64%
SIM Card Monthly Plan (Calls and 10GB+ Data)
$39.60 $39.60
$70.8 $70.8
-44.08%
Internet (50+ Mbps, Unlimited Data)
$71.3 $71.3
$88.3 $88.3
-19.30%
🎉 Sport & Entertainment
Castle Rock, CO
Seattle, WA
Difference
Gym Membership (Monthly)
$59.0 $59.0
$79.5 $79.5
-25.83%
Tennis Court (1 Hour on Weekend)
-
$35.37 $35.37
-
Cinema Ticket
$12.17 $12.17
$17.12 $17.12
-28.91%
🧸 Childcare & Education
Castle Rock, CO
Seattle, WA
Difference
Preschool or Kindergarten, Full Day, Private, 1 Child (Monthly)
$1,318 $1,318
$3,013 $3,013
-56.27%
International Primary School, 1 Child (Yearly)
$17.6K $17.6K
$31.6K $31.6K
-44.22%
👕👟 Clothing & Footwear
Castle Rock, CO
Seattle, WA
Difference
Jeans (Levis 501 Or Similar)
$54.4 $54.4
$77.2 $77.2
-29.61%
Summer Dress (H&M, Zara, etc)
$50.7 $50.7
$55.1 $55.1
-8.00%
Sport Shoes (Adidas, Nike)
$81.5 $81.5
$126 $126
-35.13%
Men's Leather Business Shoes
$117 $117
$163 $163
-27.97%
🏠 Accommodation & Living
Castle Rock, CO
Seattle, WA
Difference
1-bedroom Apartment, City Center (Monthly)
-
$2,464 $2,464
-
1-bedroom Apartment, Outside City Center (Monthly)
-
$1,956 $1,956
-
3-bedroom Apartment, City Center (Monthly)
-
$4,711 $4,711
-
3-bedroom Apartment, Outside City Center (Monthly)
-
$3,550 $3,550
-
Buy Apartment in City Center (m2)
-
$7,346 $7,346
-
Buy Apartment Outside City Center (m2)
-
$5,048 $5,048
-
💵 Salaries & Financials
Castle Rock, CO
Seattle, WA
Difference
Average Monthly Net Salary (After Tax)
$5,904 $5,904
$6,286 $6,286
-6.08%
20-Year Fixed Mortgage Interest Rate (Annual %)
6.77
6.85
-1.17%

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

Last update for Castle Rock, CO: October 13, 2026

Last update for Seattle, WA: October 13, 2026

Monthly budget structure
Share of the monthly basket for one person, rent included.
Groceries & Markets
Castle Rock, CO
$362
Seattle, WA
$542 49.5% $179
Eating Out
Castle Rock, CO
$338
Seattle, WA
$409 20.9% $71
Monthly Utilities & Internet
Castle Rock, CO
$321
Seattle, WA
$458 42.6% $137
Clothing & Footwear
Castle Rock, CO
$137
Seattle, WA
$189 38.5% $53
Sport & Entertainment
Castle Rock, CO
$83
Seattle, WA
$114 36.5% $30
Getting Around
Castle Rock, CO
$12 *
Seattle, WA
$133 1013% $121
Accommodation & Living
Castle Rock, CO
- *
Seattle, WA
$2K

Categories marked with * are only partly priced – their share counts the items that do have prices.

Cost Breakdown

Seattle, WA pays 6% 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: $64.0 in Castle Rock, CO vs $101 in Seattle, WA for a mid-range dinner for two. Groceries echo the gap at $362 vs $542 per month, with Castle Rock, CO cheaper across the board.

Good to know
🇺🇸 Castle Rock, CO
🇺🇸 Seattle, WA
🕒 Local time
21:44 9:44 PM
20:44 8:44 PM
1 h behind Castle Rock, CO
🌤 Weather
👥 Population
73,158
737,015
Exchange rates and currency converter

EUR to USD – United States Dollar Converter

United States Dollar exchange rates as of October 20, 2026: 1 EUR = 1.12 USD (1 USD = 0.89 EUR).

On the map
Between locations
  • Castle Rock, CO Seattle, WA 1,670 km ≈ 2 h 30 min nonstop flight
From you
  • Castle Rock, CO
  • Seattle, WA

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
Castle Rock, CO vs Seattle, WA: Cost of Living - Frequently Asked Questions
What is the total cost difference between living in Castle Rock, CO and in Seattle, WA?
Castle Rock, CO and Seattle, WA differ by about 203% in total monthly costs ($1,253 vs $3,800 including rent). Castle Rock, CO is meaningfully more affordable – a gap that matters a lot on a fixed or modest income.
Which city has better-paying jobs?
On paper, salaries run 6% 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.
Which city has cheaper grocery shopping?
Supermarket bills run roughly 50% higher in Seattle, WA. For households that cook at home regularly, that difference adds up over a month.
Which city is more expensive overall: Castle Rock, CO or Seattle, WA?
All in, you'll spend $1,253 per month in Castle Rock, CO versus $3,800 in Seattle, WA – a 203% gap that adds up to real savings over time for anyone picking the cheaper option.
Which city is more doable on $2,000 per month?
At $1,253 in Castle Rock, CO versus $3,800 in Seattle, WA, a $2,000 budget is realistic in Castle Rock, CO but tight or insufficient in Seattle, WA. The gap between the two cities makes Castle Rock, CO the clear choice for anyone on this budget.
How does quality of life compare between Castle Rock, CO and Seattle, WA?
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.
Is Castle Rock, CO or Seattle, WA safer for residents?
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.
Where should expats move: Castle Rock, CO or Seattle, WA?
Expats usually find Castle Rock, CO gentler on the wallet – expenses run 203% less than in Seattle, WA. Beyond cost, consider language, visa policies, and how big the international community is in each city.

Castle Rock, CO vs other spots: cost of living compared

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