Cost of Living: Thornton, CO vs Allen, TX (2026)

Thornton

Colorado
138
VS

Allen

Texas
137

Thornton and Allen have a similar cost of living.

$1,810/mo ↓ 4%
Median Rent
$1,877/mo ↑ 4%
$100,985/yr ↓ 22%
Median Income
$129,130/yr ↑ 28%
$482,200 ↑ 12%
Home Value
$429,900 ↓ 11%
$1,914/mo ↓ 8%
Owner Costs
$2,083/mo ↑ 9%
142,878
Population
107,684

Tax Comparison

4.4%
Income Tax
0%
2.9%
State Sales Tax
6.25%
0.51%
Property Tax
1.6%

Affordability

21.5%
rent-to-income
Affordability
17.4%
rent-to-income

Detailed Comparison

When comparing Thornton, CO and Allen, TX, the overall cost of living indices are 138 and 137 respectively (national median = 100). Rent is $67/month cheaper in Thornton, saving renters about $804/year.

Median household income is $28,145/year higher in Allen. Home values also differ significantly — the median in Thornton is $482,200 compared to $429,900 in Allen.

Texas has no state income tax, giving Allen residents a significant tax advantage over Colorado's 4.4% rate.

Frequently Asked Questions

Thornton vs Allen — common questions

Is Thornton or Allen cheaper to live in?
Based on our cost index, Allen is cheaper to live in with an index of 137 compared to 138 (US average = 100).
What is the rent difference between Thornton and Allen?
Median rent in Thornton is $1,810/month and in Allen it's $1,877/month — a difference of $67/month.
Which city has higher income, Thornton or Allen?
Median household income is $100,985 in Thornton and $129,130 in Allen. Median household income is $28,145/year higher in Allen.
How do taxes compare between Colorado and Texas?
Colorado has 4.4% income tax, 2.9% sales tax, and 0.51% property tax. Texas has 0% income tax, 6.25% sales tax, and 1.6% property tax.
Should I move to Thornton or Allen?
It depends on your priorities. Thornton has a cost index of 138 with median rent of $1,810/mo, while Allen has a cost index of 137 with rent of $1,877/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
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