Cost of Living: Boise, ID vs Carlsbad, CA (2026)

Boise

Idaho
112
VS

Carlsbad

California
253

Boise is 56% cheaper than Carlsbad.

$1,359/mo ↓ 49%
Median Rent
$2,678/mo ↑ 97%
$81,308/yr ↓ 42%
Median Income
$139,326/yr ↑ 71%
$456,000 ↓ 61%
Home Value
$1,156,900 ↑ 154%
$1,337/mo ↓ 52%
Owner Costs
$2,801/mo ↑ 109%
235,701
Population
114,500

Tax Comparison

5.8%
Income Tax
13.3%
6.0%
State Sales Tax
7.25%
0.63%
Property Tax
0.71%

Affordability

20.1%
rent-to-income
Affordability
23.1%
rent-to-income

Detailed Comparison

When comparing Boise, ID and Carlsbad, CA, the overall cost of living indices are 112 and 253 respectively (national median = 100). Rent is $1,319/month cheaper in Boise, saving renters about $15,828/year.

Median household income is $58,018/year higher in Carlsbad. Home values also differ significantly — the median in Boise is $456,000 compared to $1,156,900 in Carlsbad.

Idaho has a lower income tax rate, making Boise slightly more tax-friendly.

Frequently Asked Questions

Boise vs Carlsbad — common questions

Is Boise or Carlsbad cheaper to live in?
Based on our cost index, Boise is cheaper to live in with an index of 112 compared to 253 (US average = 100).
What is the rent difference between Boise and Carlsbad?
Median rent in Boise is $1,359/month and in Carlsbad it's $2,678/month — a difference of $1,319/month.
Which city has higher income, Boise or Carlsbad?
Median household income is $81,308 in Boise and $139,326 in Carlsbad. Median household income is $58,018/year higher in Carlsbad.
How do taxes compare between Idaho and California?
Idaho has 5.8% income tax, 6.0% sales tax, and 0.63% property tax. California has 13.3% income tax, 7.25% sales tax, and 0.71% property tax.
Should I move to Boise or Carlsbad?
It depends on your priorities. Boise has a cost index of 112 with median rent of $1,359/mo, while Carlsbad has a cost index of 253 with rent of $2,678/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Boise details → View Carlsbad details →

More Comparisons

Other cost of living comparisons for Boise and Carlsbad

Boise vs. Scottsdale Boise vs. Arlington Boise vs. Garland Boise vs. Norfolk Boise vs. Glendale Boise vs. Enterprise Carlsbad vs. East Los Angeles Carlsbad vs. Waterbury Carlsbad vs. Lowell Carlsbad vs. Provo Carlsbad vs. League City Carlsbad vs. Elgin