Cost of Living: Boston, MA vs Thornton, CO (2026)

Boston

Massachusetts
176
VS

Thornton

Colorado
138

Boston is 28% more expensive than Thornton.

$2,093/mo ↑ 16%
Median Rent
$1,810/mo ↓ 14%
$94,755/yr ↓ 6%
Median Income
$100,985/yr ↑ 7%
$710,400 ↑ 47%
Home Value
$482,200 ↓ 32%
$2,176/mo ↑ 14%
Owner Costs
$1,914/mo ↓ 12%
663,972
Population
142,878

Tax Comparison

9.0%
Income Tax
4.4%
6.25%
State Sales Tax
2.9%
1.15%
Property Tax
0.51%

Affordability

26.5%
rent-to-income
Affordability
21.5%
rent-to-income

Detailed Comparison

When comparing Boston, MA and Thornton, CO, the overall cost of living indices are 176 and 138 respectively (national median = 100). Rent is $283/month cheaper in Thornton, saving renters about $3,396/year.

Median household income is $6,230/year higher in Thornton. Home values also differ significantly — the median in Boston is $710,400 compared to $482,200 in Thornton.

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

Frequently Asked Questions

Boston vs Thornton — common questions

Is Boston or Thornton cheaper to live in?
Based on our cost index, Thornton is cheaper to live in with an index of 138 compared to 176 (US average = 100).
What is the rent difference between Boston and Thornton?
Median rent in Boston is $2,093/month and in Thornton it's $1,810/month — a difference of $283/month.
Which city has higher income, Boston or Thornton?
Median household income is $94,755 in Boston and $100,985 in Thornton. Median household income is $6,230/year higher in Thornton.
How do taxes compare between Massachusetts and Colorado?
Massachusetts has 9.0% income tax, 6.25% sales tax, and 1.15% property tax. Colorado has 4.4% income tax, 2.9% sales tax, and 0.51% property tax.
Should I move to Boston or Thornton?
It depends on your priorities. Boston has a cost index of 176 with median rent of $2,093/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 Boston details → View Thornton details →

More Comparisons

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