Cost of Living: Aurora, CO vs Peoria, IL (2026)

Aurora

Colorado
130
VS

Peoria

Illinois
61

Aurora is 113% more expensive than Peoria.

$1,759/mo ↑ 85%
Median Rent
$951/mo ↓ 46%
$84,320/yr ↑ 44%
Median Income
$58,716/yr ↓ 30%
$444,500 ↑ 197%
Home Value
$149,500 ↓ 66%
$1,762/mo ↑ 75%
Owner Costs
$1,007/mo ↓ 43%
390,201
Population
112,126

Tax Comparison

4.4%
Income Tax
4.95%
2.9%
State Sales Tax
6.25%
0.51%
Property Tax
2.07%

Affordability

25.0%
rent-to-income
Affordability
19.4%
rent-to-income

Detailed Comparison

When comparing Aurora, CO and Peoria, IL, the overall cost of living indices are 130 and 61 respectively (national median = 100). Rent is $808/month cheaper in Peoria, saving renters about $9,696/year.

Median household income is $25,604/year higher in Aurora. Home values also differ significantly — the median in Aurora is $444,500 compared to $149,500 in Peoria.

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

Frequently Asked Questions

Aurora vs Peoria — common questions

Is Aurora or Peoria cheaper to live in?
Based on our cost index, Peoria is cheaper to live in with an index of 61 compared to 130 (US average = 100).
What is the rent difference between Aurora and Peoria?
Median rent in Aurora is $1,759/month and in Peoria it's $951/month — a difference of $808/month.
Which city has higher income, Aurora or Peoria?
Median household income is $84,320 in Aurora and $58,716 in Peoria. Median household income is $25,604/year higher in Aurora.
How do taxes compare between Colorado and Illinois?
Colorado has 4.4% income tax, 2.9% sales tax, and 0.51% property tax. Illinois has 4.95% income tax, 6.25% sales tax, and 2.07% property tax.
Should I move to Aurora or Peoria?
It depends on your priorities. Aurora has a cost index of 130 with median rent of $1,759/mo, while Peoria has a cost index of 61 with rent of $951/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Aurora details → View Peoria details →

More Comparisons

Other cost of living comparisons for Aurora and Peoria

Aurora vs. Tampa Aurora vs. New Orleans Aurora vs. Arlington Aurora vs. Cleveland Aurora vs. Wichita Aurora vs. Honolulu Peoria vs. Pompano Beach Peoria vs. Downey Peoria vs. Lansing Peoria vs. Murrieta Peoria vs. Las Cruces Peoria vs. Pueblo