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

Pomona

California
143
VS

Thornton

Colorado
138

Pomona is 4% more expensive than Thornton.

$1,738/mo ↓ 4%
Median Rent
$1,810/mo ↑ 4%
$78,869/yr ↓ 22%
Median Income
$100,985/yr ↑ 28%
$569,600 ↑ 18%
Home Value
$482,200 ↓ 15%
$1,758/mo ↓ 8%
Owner Costs
$1,914/mo ↑ 9%
148,391
Population
142,878

Tax Comparison

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

Affordability

26.4%
rent-to-income
Affordability
21.5%
rent-to-income

Detailed Comparison

When comparing Pomona, CA and Thornton, CO, the overall cost of living indices are 143 and 138 respectively (national median = 100). Rent is $72/month cheaper in Pomona, saving renters about $864/year.

Median household income is $22,116/year higher in Thornton. Home values also differ significantly — the median in Pomona is $569,600 compared to $482,200 in Thornton.

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

Frequently Asked Questions

Pomona vs Thornton — common questions

Is Pomona or Thornton cheaper to live in?
Based on our cost index, Thornton is cheaper to live in with an index of 138 compared to 143 (US average = 100).
What is the rent difference between Pomona and Thornton?
Median rent in Pomona is $1,738/month and in Thornton it's $1,810/month — a difference of $72/month.
Which city has higher income, Pomona or Thornton?
Median household income is $78,869 in Pomona and $100,985 in Thornton. Median household income is $22,116/year higher in Thornton.
How do taxes compare between California and Colorado?
California has 13.3% income tax, 7.25% sales tax, and 0.71% property tax. Colorado has 4.4% income tax, 2.9% sales tax, and 0.51% property tax.
Should I move to Pomona or Thornton?
It depends on your priorities. Pomona has a cost index of 143 with median rent of $1,738/mo, while Thornton has a cost index of 138 with rent of $1,810/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Pomona details → View Thornton details →

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