Cost of Living: St. Petersburg, FL vs Thornton, CO (2026)

St. Petersburg

Florida
106
VS

Thornton

Colorado
138

St. Petersburg is 23% cheaper than Thornton.

$1,542/mo ↓ 15%
Median Rent
$1,810/mo ↑ 17%
$73,118/yr ↓ 28%
Median Income
$100,985/yr ↑ 38%
$331,500 ↓ 31%
Home Value
$482,200 ↑ 45%
$1,435/mo ↓ 25%
Owner Costs
$1,914/mo ↑ 33%
260,646
Population
142,878

Tax Comparison

0%
Income Tax
4.4%
6.0%
State Sales Tax
2.9%
0.86%
Property Tax
0.51%

Affordability

25.3%
rent-to-income
Affordability
21.5%
rent-to-income

Detailed Comparison

When comparing St. Petersburg, FL and Thornton, CO, the overall cost of living indices are 106 and 138 respectively (national median = 100). Rent is $268/month cheaper in St. Petersburg, saving renters about $3,216/year.

Median household income is $27,867/year higher in Thornton. Home values also differ significantly — the median in St. Petersburg is $331,500 compared to $482,200 in Thornton.

Florida has no state income tax, giving St. Petersburg residents a significant tax advantage over Colorado's 4.4% rate.

Frequently Asked Questions

St. Petersburg vs Thornton — common questions

Is St. Petersburg or Thornton cheaper to live in?
Based on our cost index, St. Petersburg is cheaper to live in with an index of 106 compared to 138 (US average = 100).
What is the rent difference between St. Petersburg and Thornton?
Median rent in St. Petersburg is $1,542/month and in Thornton it's $1,810/month — a difference of $268/month.
Which city has higher income, St. Petersburg or Thornton?
Median household income is $73,118 in St. Petersburg and $100,985 in Thornton. Median household income is $27,867/year higher in Thornton.
How do taxes compare between Florida and Colorado?
Florida has 0% income tax, 6.0% sales tax, and 0.86% property tax. Colorado has 4.4% income tax, 2.9% sales tax, and 0.51% property tax.
Should I move to St. Petersburg or Thornton?
It depends on your priorities. St. Petersburg has a cost index of 106 with median rent of $1,542/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 St. Petersburg details → View Thornton details →

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