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

Monthly Cost of Living

A single person spends $3,998 per month in San Diego, CA vs $3,285 in Boulder, CO, rent included.

A couple spends around $5,850 per month in San Diego, CA vs $4,604 in Boulder, CO, rent included.

A family of three spends $7,703 per month in San Diego, CA vs $5,924 in Boulder, CO, rent included.

San Diego, CA costs about 22% more than Boulder, CO, driven mainly by Getting Around.

Both San Diego, CA and Boulder, CO sit above the global median – San Diego, CA by 198%, Boulder, CO by 145%.

Meal at Budget Restaurant

$23.34 $23.34

$20.04 $20.04

16.47%

Three-Course Dinner for Two, Mid-Range

$102 $102

$68.7 $68.7

47.93%

Fast Food Meal (McDonalds, etc)

$14.94 $14.94

$11.04 $11.04

35.33%

Cappuccino

$5.98 $5.98

$5.94 $5.94

0.67%

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

$3.05 $3.05

$3.33 $3.33

-8.41%

Water (0.33 liter bottle)

$2.49 $2.49

$2.44 $2.44

2.05%

Local Beer (0.5 liter draught)

$8.21 $8.21

$6.06 $6.06

35.48%

Imported Beer (0.33 liter bottle)

$9.12 $9.12

$6.98 $6.98

30.66%

Milk (1 liter)

$1.25 $1.25

$1.03 $1.03

21.36%

White Bread (500g)

$4.35 $4.35

$3.69 $3.69

17.89%

Rice (white) (1kg)

$4.35 $4.35

$4.49 $4.49

-3.12%

Eggs

$5.23 $5.23

$5.54 $5.54

-5.60%

Local Cheese (1kg)

$13.71 $13.71

$13.29 $13.29

3.16%

Chicken Fillets (1kg)

$12.91 $12.91

$14.76 $14.76

-12.53%

Beef Round Steak (1kg)

$18.80 $18.80

$17.34 $17.34

8.42%

Apples (1kg)

$4.75 $4.75

$4.36 $4.36

8.94%

Banana (1kg)

$1.73 $1.73

$1.44 $1.44

20.14%

Oranges (1kg)

$4.04 $4.04

$3.69 $3.69

9.49%

Tomato (1kg)

$4.72 $4.72

$4.83 $4.83

-2.28%

Potato (1kg)

$3.08 $3.08

$2.70 $2.70

14.07%

Onion (1kg)

$2.48 $2.48

$2.61 $2.61

-4.98%

Lettuce (1 head)

$2.19 $2.19

$2.24 $2.24

-2.23%

Water (1.5 liter bottle)

$2.47 $2.47

$2.30 $2.30

7.39%

Cigarettes 20 Pack (Marlboro, Camel)

$12.11 $12.11

$10.19 $10.19

18.84%

Wine (Bottle)

$15.16 $15.16

$17.17 $17.17

-11.71%

Local Beer (0.5 liter bottle)

$1.78 $1.78

$1.86 $1.86

-4.30%

Imported Beer (0.33 liter bottle)

$2.44 $2.44

$3.83 $3.83

-36.29%

One-way Ticket (Public Transport)

$2.56 $2.56

$2.74 $2.74

-6.57%

Public Transport Monthly Pass (Regular Price)

$73.3 $73.3

$153 $153

-51.97%

Taxi Start (Normal Tariff)

$2.94 $2.94

$2.54 $2.54

15.75%

Taxi (Normal Tariff) (1km)

$2.03 $2.03

$1.42 $1.42

42.96%

Taxi 1hour Waiting (Normal Tariff)

$27.44 $27.44

$24.34 $24.34

12.74%

Gasoline (1 liter)

$1.30 $1.30

$0.81 $0.81

60.49%

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

$31.2K $31.2K

$26.8K $26.8K

16.10%

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

$26.7K $26.7K

$26.1K $26.1K

2.39%

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

$274 $274

$191 $191

43.06%

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

$68.6 $68.6

$60.0 $60.0

14.31%

Internet (50+ Mbps, Unlimited Data)

$79.0 $79.0

$72.4 $72.4

9.16%

Gym Membership (Monthly)

$68.8 $68.8

$79.6 $79.6

-13.64%

Tennis Court (1 Hour on Weekend)

$25.18 $25.18

$20.39 $20.39

23.49%

Cinema Ticket

$15.78 $15.78

$16.74 $16.74

-5.73%

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

$1,608 $1,608

$1,440 $1,440

11.71%

International Primary School, 1 Child (Yearly)

$28.3K $28.3K

$30.6K $30.6K

-7.50%

Jeans (Levis 501 Or Similar)

$57.9 $57.9

$73.7 $73.7

-21.40%

Summer Dress (H&M, Zara, etc)

$57.5 $57.5

$36.83 $36.83

56.01%

Sport Shoes (Adidas, Nike)

$101 $101

$89.2 $89.2

13.07%

Men's Leather Business Shoes

$114 $114

$100.0 $100.0

14.43%

1-bedroom Apartment, City Center (Monthly)

$2,765 $2,765

$2,122 $2,122

30.26%

1-bedroom Apartment, Outside City Center (Monthly)

$2,369 $2,369

$1,822 $1,822

30.01%

3-bedroom Apartment, City Center (Monthly)

$5,023 $5,023

$3,968 $3,968

26.58%

3-bedroom Apartment, Outside City Center (Monthly)

$4,070 $4,070

$2,806 $2,806

45.07%

Buy Apartment in City Center (m2)

$8,572 $8,572

$4,412 $4,412

94.27%

Buy Apartment Outside City Center (m2)

$6,933 $6,933

$4,514 $4,514

53.60%

Average Monthly Net Salary (After Tax)

$5,236 $5,236

$5,220 $5,220

0.30%

20-Year Fixed Mortgage Interest Rate (Annual %)

6.39

6.42

-0.47%

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

Last update for San Diego, CA: April 22, 2026

Last update for Boulder, CO: April 21, 2026

Cost Breakdown

A central one-bedroom costs $2,765 in San Diego, CA versus $2,122 in Boulder, CO. 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 0% higher in San Diego, CA, which partly offsets the higher cost of living there. Purchasing power depends on which expenses matter most to you.

A mid-range dinner for two costs $102 in San Diego, CA versus $69 in Boulder, CO. Monthly groceries follow the same trend: $427 vs $423 – 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

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

Yes – San Diego, CA is pricier by about 22%, 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 $5,996 per month in San Diego, CA and $4,927 in Boulder, CO. 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 $102 in San Diego, CA and $69.0 in Boulder, CO. 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 $3,998 in San Diego, CA and $3,285 in Boulder, CO. 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.