Cost of Living: Thornton, CO vs Carlsbad, CA (2026)

Thornton

Colorado
138
VS

Carlsbad

California
253

Thornton is 45% cheaper than Carlsbad.

$1,810/mo ↓ 32%
Median Rent
$2,678/mo ↑ 48%
$100,985/yr ↓ 28%
Median Income
$139,326/yr ↑ 38%
$482,200 ↓ 58%
Home Value
$1,156,900 ↑ 140%
$1,914/mo ↓ 32%
Owner Costs
$2,801/mo ↑ 46%
142,878
Population
114,500

Tax Comparison

4.4%
Income Tax
13.3%
2.9%
State Sales Tax
7.25%
0.51%
Property Tax
0.71%

Affordability

21.5%
rent-to-income
Affordability
23.1%
rent-to-income

Detailed Comparison

When comparing Thornton, CO and Carlsbad, CA, the overall cost of living indices are 138 and 253 respectively (national median = 100). Rent is $868/month cheaper in Thornton, saving renters about $10,416/year.

Median household income is $38,341/year higher in Carlsbad. Home values also differ significantly — the median in Thornton is $482,200 compared to $1,156,900 in Carlsbad.

Colorado has a lower income tax rate, making Thornton slightly more tax-friendly.

Frequently Asked Questions

Thornton vs Carlsbad — common questions

Is Thornton or Carlsbad cheaper to live in?
Based on our cost index, Thornton is cheaper to live in with an index of 138 compared to 253 (US average = 100).
What is the rent difference between Thornton and Carlsbad?
Median rent in Thornton is $1,810/month and in Carlsbad it's $2,678/month — a difference of $868/month.
Which city has higher income, Thornton or Carlsbad?
Median household income is $100,985 in Thornton and $139,326 in Carlsbad. Median household income is $38,341/year higher in Carlsbad.
How do taxes compare between Colorado and California?
Colorado has 4.4% income tax, 2.9% sales tax, and 0.51% property tax. California has 13.3% income tax, 7.25% sales tax, and 0.71% property tax.
Should I move to Thornton or Carlsbad?
It depends on your priorities. Thornton has a cost index of 138 with median rent of $1,810/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 Thornton details → View Carlsbad details →

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