Cost of Living: Thornton, CO vs Columbia, SC (2026)

Thornton

Colorado
138
VS

Columbia

South Carolina
80

Thornton is 72% more expensive than Columbia.

$1,810/mo ↑ 56%
Median Rent
$1,158/mo ↓ 36%
$100,985/yr ↑ 81%
Median Income
$55,653/yr ↓ 45%
$482,200 ↑ 98%
Home Value
$243,500 ↓ 50%
$1,914/mo ↑ 64%
Owner Costs
$1,169/mo ↓ 39%
142,878
Population
138,019

Tax Comparison

4.4%
Income Tax
6.4%
2.9%
State Sales Tax
6.0%
0.51%
Property Tax
0.57%

Affordability

21.5%
rent-to-income
Affordability
25.0%
rent-to-income

Detailed Comparison

When comparing Thornton, CO and Columbia, SC, the overall cost of living indices are 138 and 80 respectively (national median = 100). Rent is $652/month cheaper in Columbia, saving renters about $7,824/year.

Median household income is $45,332/year higher in Thornton. Home values also differ significantly — the median in Thornton is $482,200 compared to $243,500 in Columbia.

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

Frequently Asked Questions

Thornton vs Columbia — common questions

Is Thornton or Columbia cheaper to live in?
Based on our cost index, Columbia is cheaper to live in with an index of 80 compared to 138 (US average = 100).
What is the rent difference between Thornton and Columbia?
Median rent in Thornton is $1,810/month and in Columbia it's $1,158/month — a difference of $652/month.
Which city has higher income, Thornton or Columbia?
Median household income is $100,985 in Thornton and $55,653 in Columbia. Median household income is $45,332/year higher in Thornton.
How do taxes compare between Colorado and South Carolina?
Colorado has 4.4% income tax, 2.9% sales tax, and 0.51% property tax. South Carolina has 6.4% income tax, 6.0% sales tax, and 0.57% property tax.
Should I move to Thornton or Columbia?
It depends on your priorities. Thornton has a cost index of 138 with median rent of $1,810/mo, while Columbia has a cost index of 80 with rent of $1,158/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Thornton details → View Columbia details →

More Comparisons

Other cost of living comparisons for Thornton and Columbia

Thornton vs. Torrance Thornton vs. Visalia Thornton vs. Gainesville Thornton vs. Waco Thornton vs. Olathe Thornton vs. Fullerton Columbia vs. Warren Columbia vs. West Valley City Columbia vs. Orange Columbia vs. Hampton Columbia vs. Metairie Columbia vs. Cedar Rapids