Last update: Oct 2026

Cost of Living Comparison Between Boulder, CO and San Diego, CA

For one person, living is cheaper in Boulder, CO: $3,518 a month against $4,012 in San Diego, CA, rent and utilities included – about $5,900 less a year. Higher rent and utilities in San Diego, CA outweigh lower spending on other living expenses.

169

Cost of Living Index in Boulder, CO
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Boulder, CO Living Index
196

Cost of Living Index in San Diego, CA
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San Diego, CA Living Index

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Boulder, CO

🇺🇸 United States

$3,518

/mo nomad

San Diego, CA

🇺🇸 United States

$4,012

/mo nomad

Monthly Cost of Living

How much you'll spend in Boulder, CO and in San Diego, CA

Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in Boulder, CO and in San Diego, CA actually costs, broken down by who's living it.

A single person spends $3,518 per month in Boulder, CO vs $4,012 in San Diego, CA, rent included.

Boulder, CO $3,518
San Diego, CA $4,012

A couple spends around $5,103 per month in Boulder, CO vs $6,068 in San Diego, CA, rent included.

Boulder, CO $5,103
San Diego, CA $6,068

A family of three spends $6,689 per month in Boulder, CO vs $8,123 in San Diego, CA, rent included.

Boulder, CO $6,689
San Diego, CA $8,123

Boulder, CO is about 12% cheaper than San Diego, CA, and outside of rent the biggest gap is in transport.

Both Boulder, CO and San Diego, CA sit above the global median – Boulder, CO by 160%, San Diego, CA by 196%.

Meal at Budget Restaurant

$19.81 $19.81

$24.72 $24.72

-19.86%

Three-Course Dinner for Two, Mid-Range

$79.3 $79.3

$101 $101

-21.27%

Fast Food Meal (McDonalds, etc)

$15.07 $15.07

$14.63 $14.63

3.01%

Cappuccino

$5.56 $5.56

$5.89 $5.89

-5.60%

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

$3.70 $3.70

$3.11 $3.11

18.97%

Water (0.33 liter bottle)

$2.88 $2.88

$2.76 $2.76

4.35%

Local Beer (0.5 liter draught)

$7.09 $7.09

$8.10 $8.10

-12.47%

Imported Beer (0.33 liter bottle)

$8.84 $8.84

$10.07 $10.07

-12.21%

Milk (1 liter)

$1.18 $1.18

$1.32 $1.32

-10.61%

White Bread (500g)

$5.55 $5.55

$5.63 $5.63

-1.42%

Rice (white) (1kg)

$6.50 $6.50

$4.78 $4.78

35.98%

Eggs

$5.53 $5.53

$6.71 $6.71

-17.59%

Local Cheese (1kg)

$11.85 $11.85

$17.10 $17.10

-30.70%

Chicken Fillets (1kg)

$10.91 $10.91

$13.85 $13.85

-21.23%

Beef Round Steak (1kg)

$17.35 $17.35

$21.43 $21.43

-19.04%

Apples (1kg)

$5.93 $5.93

$4.62 $4.62

28.35%

Banana (1kg)

$1.46 $1.46

$1.87 $1.87

-21.93%

Oranges (1kg)

$6.35 $6.35

$4.69 $4.69

35.39%

Tomato (1kg)

$6.09 $6.09

$4.90 $4.90

24.29%

Potato (1kg)

$3.92 $3.92

$3.34 $3.34

17.37%

Onion (1kg)

$3.84 $3.84

$2.89 $2.89

32.87%

Lettuce (1 head)

$3.35 $3.35

$2.09 $2.09

60.29%

Water (1.5 liter bottle)

$2.65 $2.65

$2.04 $2.04

29.90%

Cigarettes 20 Pack (Marlboro, Camel)

$10.24 $10.24

$11.76 $11.76

-12.93%

Wine (Bottle)

$17.23 $17.23

$16.25 $16.25

6.03%

Local Beer (0.5 liter bottle)

$1.86 $1.86

$2.32 $2.32

-19.83%

Imported Beer (0.33 liter bottle)

$4.94 $4.94

$3.17 $3.17

55.84%

One-way Ticket (Public Transport)

$2.82 $2.82

$2.47 $2.47

14.17%

Public Transport Monthly Pass (Regular Price)

$152 $152

$73.4 $73.4

107.00%

Taxi Start (Normal Tariff)

$2.43 $2.43

$3.07 $3.07

-20.85%

Taxi (Normal Tariff) (1km)

$1.38 $1.38

$2.05 $2.05

-32.68%

Taxi 1hour Waiting (Normal Tariff)

$24.21 $24.21

$27.86 $27.86

-13.10%

Gasoline (1 liter)

$1.08 $1.08

$1.60 $1.60

-32.50%

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

$27.5K $27.5K

$29.6K $29.6K

-7.32%

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

$26.9K $26.9K

$26.7K $26.7K

0.64%

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

$279 $279

$252 $252

10.62%

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

$72.1 $72.1

$70.6 $70.6

2.20%

Internet (50+ Mbps, Unlimited Data)

$74.2 $74.2

$80.8 $80.8

-8.23%

Gym Membership (Monthly)

$83.1 $83.1

$69.0 $69.0

20.45%

Tennis Court (1 Hour on Weekend)

$20.21 $20.21

$24.09 $24.09

-16.11%

Cinema Ticket

$16.72 $16.72

$20.16 $20.16

-17.06%

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

$1,633 $1,633

$1,950 $1,950

-16.27%

International Primary School, 1 Child (Yearly)

$31.2K $31.2K

$36.7K $36.7K

-15.01%

Jeans (Levis 501 Or Similar)

$69.2 $69.2

$63.6 $63.6

8.77%

Summer Dress (H&M, Zara, etc)

$48.21 $48.21

$55.9 $55.9

-13.68%

Sport Shoes (Adidas, Nike)

$92.2 $92.2

$113 $113

-18.48%

Men's Leather Business Shoes

$144 $144

-0.10%

1-bedroom Apartment, City Center (Monthly)

$2,374 $2,374

$3,207 $3,207

-25.99%

1-bedroom Apartment, Outside City Center (Monthly)

$1,825 $1,825

$2,360 $2,360

-22.70%

3-bedroom Apartment, City Center (Monthly)

$4,307 $4,307

$5,381 $5,381

-19.95%

3-bedroom Apartment, Outside City Center (Monthly)

$3,069 $3,069

$4,426 $4,426

-30.67%

Buy Apartment in City Center (m2)

$4,420 $4,420

$8,234 $8,234

-46.32%

Buy Apartment Outside City Center (m2)

$4,495 $4,495

$6,506 $6,506

-30.90%

Average Monthly Net Salary (After Tax)

$5,629 $5,629

$5,039 $5,039

11.71%

20-Year Fixed Mortgage Interest Rate (Annual %)

6.55

6.75

-2.96%

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

Last update for Boulder, CO: October 17, 2026

Last update for San Diego, CA: October 18, 2026

Monthly budget structure

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

Accommodation & Living

Boulder, CO

$1.8K 51.9%

San Diego, CA

$2.4K 58.8% 29.4% $536

Groceries & Markets

Boulder, CO

$470 13.4%

San Diego, CA

$477 11.9% 1.5% $6.9

Monthly Utilities & Internet

Boulder, CO

$425 12.1%

San Diego, CA

$404 10.1% 5.1% $22

Eating Out

Boulder, CO

$350 10%

San Diego, CA

$396 9.9% 13.3% $47

Getting Around

Boulder, CO

$173 4.9%

San Diego, CA

$97 2.4% 44% $76

Clothing & Footwear

Boulder, CO

$159 4.5%

San Diego, CA

$169 4.2% 6.5% $10

Sport & Entertainment

Boulder, CO

$117 3.3%

San Diego, CA

$109 2.7% 6.2% $7.2

Cost Breakdown

A central one-bedroom costs $2,374 in Boulder, CO versus $3,207 in San Diego, CA. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.

Salaries run about 12% higher in Boulder, CO, which reinforces the cost advantage – you earn more and spend less. Purchasing power leans clearly in its favor.

A mid-range dinner for two costs $79.0 in Boulder, CO versus $101 in San Diego, CA. Monthly groceries follow the same trend: $470 vs $477 – making Boulder, CO the more affordable choice for daily food spending.

Good to know

🇺🇸 Boulder, CO

🇺🇸 San Diego, CA

🕒 Local time

18:09 6:09 PM

17:09 5:09 PM

1 h behind Boulder, CO

🌤 Weather

👥 Population

106,803

1,386,932

💱 Currency

United States Dollar USD $

📈 Exchange rate

1 USD = 0.89 EUR

Exchange rates and currency converter

On the map

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Between locations

Boulder, CO San Diego, CA 1,310 km ≈ 2 h 15 min nonstop flight

From you

Boulder, CO
San Diego, CA

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

Boulder, CO vs San Diego, CA: Cost of Living - Frequently Asked Questions

Yes – San Diego, CA is pricier by about 14%, and outside of rent the gap shows up most in transport.

For a comfortable life, plan on about $5,277 per month in Boulder, CO and $6,018 in San Diego, CA. That covers rent, food, utilities, transport, and enough left over to feel settled – not just surviving.

Rent is clearly cheaper in Boulder, CO, especially for central apartments. Housing is actually the single biggest factor behind the overall cost gap between these two cities.

Groceries cost about 1% more in San Diego, CA, though it depends on what you buy. Local produce may be comparable; imported and premium items show the biggest price gap.

A mid-range dinner for two costs $79.0 in Boulder, CO and $101 in San Diego, CA. That's a good indicator of the overall restaurant and café pricing gap between the two cities.

$2,500 is a stretch for both – monthly costs hit $3,518 in Boulder, CO and $4,012 in San Diego, CA. You'll need shared housing and careful budgeting no matter which city you pick.

Families tend to lean toward Boulder, CO – lower housing and cheaper childcare make a real difference, especially on a single income or when paying for private education.

Both have safer and rougher neighborhoods, but overall safety is comparable to other large cities. Neighborhood choice matters more than the city-level comparison – central, well-trafficked areas feel secure in both.

If budget matters most, go with Boulder, CO. If higher salaries, better infrastructure, or specific career opportunities are the priority, San Diego, CA makes more sense. Both are solid long-term options with distinct trade-offs.