Cost of Living: Louisville, KY vs Thornton, CO (2026)

Louisville

Kentucky
74
VS

Thornton

Colorado
138

Louisville is 46% cheaper than Thornton.

$1,069/mo ↓ 41%
Median Rent
$1,810/mo ↑ 69%
$64,731/yr ↓ 36%
Median Income
$100,985/yr ↑ 56%
$221,500 ↓ 54%
Home Value
$482,200 ↑ 118%
$1,118/mo ↓ 42%
Owner Costs
$1,914/mo ↑ 71%
627,210
Population
142,878

Tax Comparison

4.0%
Income Tax
4.4%
6.0%
State Sales Tax
2.9%
0.83%
Property Tax
0.51%

Affordability

19.8%
rent-to-income
Affordability
21.5%
rent-to-income

Detailed Comparison

When comparing Louisville, KY and Thornton, CO, the overall cost of living indices are 74 and 138 respectively (national median = 100). Rent is $741/month cheaper in Louisville, saving renters about $8,892/year.

Median household income is $36,254/year higher in Thornton. Home values also differ significantly — the median in Louisville is $221,500 compared to $482,200 in Thornton.

Kentucky has a lower income tax rate, making Louisville slightly more tax-friendly.

Frequently Asked Questions

Louisville vs Thornton — common questions

Is Louisville or Thornton cheaper to live in?
Based on our cost index, Louisville is cheaper to live in with an index of 74 compared to 138 (US average = 100).
What is the rent difference between Louisville and Thornton?
Median rent in Louisville is $1,069/month and in Thornton it's $1,810/month — a difference of $741/month.
Which city has higher income, Louisville or Thornton?
Median household income is $64,731 in Louisville and $100,985 in Thornton. Median household income is $36,254/year higher in Thornton.
How do taxes compare between Kentucky and Colorado?
Kentucky has 4.0% income tax, 6.0% sales tax, and 0.83% property tax. Colorado has 4.4% income tax, 2.9% sales tax, and 0.51% property tax.
Should I move to Louisville or Thornton?
It depends on your priorities. Louisville has a cost index of 74 with median rent of $1,069/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.
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