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

Monthly Cost of Living

A single person spends $3,416 per month in Boulder, CO vs $3,906 in San Diego, CA, rent included.

A couple spends around $4,710 per month in Boulder, CO vs $5,746 in San Diego, CA, rent included.

A family of three spends $6,003 per month in Boulder, CO vs $7,587 in San Diego, CA, rent included.

Boulder, CO is about 13% cheaper than San Diego, CA, driven mainly by Getting Around.

Both Boulder, CO and San Diego, CA sit above the global median – Boulder, CO by 155%, San Diego, CA by 191%.

Meal at Budget Restaurant

$19.76 $19.76

$23.14 $23.14

-14.61%

Three-Course Dinner for Two, Mid-Range

$69.3 $69.3

$101 $101

-31.24%

Fast Food Meal (McDonalds, etc)

$10.91 $10.91

$14.74 $14.74

-25.98%

Cappuccino

$5.84 $5.84

$6.04 $6.04

-3.31%

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

$3.28 $3.28

$3.03 $3.03

8.25%

Water (0.33 liter bottle)

$2.31 $2.31

$2.51 $2.51

-7.97%

Local Beer (0.5 liter draught)

$6.29 $6.29

$7.83 $7.83

-19.67%

Imported Beer (0.33 liter bottle)

$6.83 $6.83

$8.76 $8.76

-22.03%

Milk (1 liter)

$1.03 $1.03

$1.25 $1.25

-17.60%

White Bread (500g)

$3.55 $3.55

$4.50 $4.50

-21.11%

Rice (white) (1kg)

$4.35 $4.35

$4.44 $4.44

-2.03%

Eggs

$5.54 $5.54

$5.26 $5.26

5.32%

Local Cheese (1kg)

$13.47 $13.47

$13.57 $13.57

-0.74%

Chicken Fillets (1kg)

$15.01 $15.01

$12.53 $12.53

19.79%

Beef Round Steak (1kg)

$17.09 $17.09

$18.69 $18.69

-8.56%

Apples (1kg)

$4.56 $4.56

$4.79 $4.79

-4.80%

Banana (1kg)

$1.50 $1.50

$1.65 $1.65

-9.09%

Oranges (1kg)

$3.65 $3.65

$3.91 $3.91

-6.65%

Tomato (1kg)

$4.68 $4.68

$4.77 $4.77

-1.89%

Potato (1kg)

$2.58 $2.58

$2.95 $2.95

-12.54%

Onion (1kg)

$2.73 $2.73

$2.47 $2.47

10.53%

Lettuce (1 head)

$2.31 $2.31

$2.27 $2.27

1.76%

Water (1.5 liter bottle)

$2.31 $2.31

$2.45 $2.45

-5.71%

Cigarettes 20 Pack (Marlboro, Camel)

$9.86 $9.86

$11.88 $11.88

-17.00%

Wine (Bottle)

$16.67 $16.67

$14.86 $14.86

12.18%

Local Beer (0.5 liter bottle)

$1.92 $1.92

$1.74 $1.74

10.34%

Imported Beer (0.33 liter bottle)

$3.79 $3.79

$2.53 $2.53

49.80%

One-way Ticket (Public Transport)

$2.69 $2.69

$2.52 $2.52

6.75%

Public Transport Monthly Pass (Regular Price)

$147 $147

$72.5 $72.5

103.44%

Taxi Start (Normal Tariff)

$2.53 $2.53

$2.98 $2.98

-15.10%

Taxi (Normal Tariff) (1km)

$1.42 $1.42

$2.07 $2.07

-31.40%

Taxi 1hour Waiting (Normal Tariff)

$23.72 $23.72

$28.14 $28.14

-15.71%

Gasoline (1 liter)

$0.86 $0.86

$1.30 $1.30

-33.85%

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

$27.3K $27.3K

$31.1K $31.1K

-12.28%

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

$26.0K $26.0K

$26.7K $26.7K

-2.93%

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

$195 $195

$272 $272

-28.16%

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

$60.9 $60.9

$67.6 $67.6

-9.93%

Internet (50+ Mbps, Unlimited Data)

$70.2 $70.2

$78.2 $78.2

-10.22%

Gym Membership (Monthly)

$79.8 $79.8

$66.9 $66.9

19.31%

Tennis Court (1 Hour on Weekend)

$19.67 $19.67

$24.81 $24.81

-20.72%

Cinema Ticket

$16.41 $16.41

$16.20 $16.20

1.30%

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

$1,427 $1,427

$1,596 $1,596

-10.58%

International Primary School, 1 Child (Yearly)

$31.0K $31.0K

$28.3K $28.3K

9.55%

Jeans (Levis 501 Or Similar)

$72.4 $72.4

$59.8 $59.8

21.00%

Summer Dress (H&M, Zara, etc)

$37.26 $37.26

$58.9 $58.9

-36.77%

Sport Shoes (Adidas, Nike)

$89.0 $89.0

$98.5 $98.5

-9.67%

Men's Leather Business Shoes

$99.2 $99.2

$116 $116

-14.82%

1-bedroom Apartment, City Center (Monthly)

$2,183 $2,183

$2,832 $2,832

-22.93%

1-bedroom Apartment, Outside City Center (Monthly)

$1,889 $1,889

$2,390 $2,390

-20.96%

3-bedroom Apartment, City Center (Monthly)

$3,984 $3,984

$4,901 $4,901

-18.71%

3-bedroom Apartment, Outside City Center (Monthly)

$2,828 $2,828

$4,183 $4,183

-32.40%

Buy Apartment in City Center (m2)

$4,368 $4,368

$8,232 $8,232

-46.94%

Buy Apartment Outside City Center (m2)

$4,414 $4,414

$6,581 $6,581

-32.92%

Average Monthly Net Salary (After Tax)

$5,405 $5,405

$5,342 $5,342

1.17%

20-Year Fixed Mortgage Interest Rate (Annual %)

6.42

6.39

0.47%

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

Last update for Boulder, CO: June 1, 2026

Last update for San Diego, CA: May 30, 2026

Cost Breakdown

A central one-bedroom costs $2,183 in Boulder, CO versus $2,832 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 1% 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 $69.0 in Boulder, CO versus $101 in San Diego, CA. Monthly groceries follow the same trend: $423 vs $425 – making Boulder, CO the more affordable choice for daily food spending.

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 the gap shows up most in Getting Around. It's not just housing either; the difference applies across most spending categories.

For a comfortable life, plan on about $5,124 per month in Boulder, CO and $5,859 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 $69.0 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 $3,416 in Boulder, CO and $3,906 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.