Cost of Living: Joliet, IL vs Westminster, CO (2026)

Joliet

Illinois
88
VS

Westminster

Colorado
139

Joliet is 37% cheaper than Westminster.

$1,237/mo ↓ 32%
Median Rent
$1,816/mo ↑ 47%
$88,026/yr ↓ 8%
Median Income
$96,145/yr ↑ 9%
$248,600 ↓ 50%
Home Value
$497,400 ↑ 100%
$1,472/mo ↓ 20%
Owner Costs
$1,841/mo ↑ 25%
149,785
Population
115,546

Tax Comparison

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

Affordability

16.9%
rent-to-income
Affordability
22.7%
rent-to-income

Detailed Comparison

When comparing Joliet, IL and Westminster, CO, the overall cost of living indices are 88 and 139 respectively (national median = 100). Rent is $579/month cheaper in Joliet, saving renters about $6,948/year.

Median household income is $8,119/year higher in Westminster. Home values also differ significantly — the median in Joliet is $248,600 compared to $497,400 in Westminster.

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

Frequently Asked Questions

Joliet vs Westminster — common questions

Is Joliet or Westminster cheaper to live in?
Based on our cost index, Joliet is cheaper to live in with an index of 88 compared to 139 (US average = 100).
What is the rent difference between Joliet and Westminster?
Median rent in Joliet is $1,237/month and in Westminster it's $1,816/month — a difference of $579/month.
Which city has higher income, Joliet or Westminster?
Median household income is $88,026 in Joliet and $96,145 in Westminster. Median household income is $8,119/year higher in Westminster.
How do taxes compare between Illinois and Colorado?
Illinois has 4.95% income tax, 6.25% sales tax, and 2.07% property tax. Colorado has 4.4% income tax, 2.9% sales tax, and 0.51% property tax.
Should I move to Joliet or Westminster?
It depends on your priorities. Joliet has a cost index of 88 with median rent of $1,237/mo, while Westminster has a cost index of 139 with rent of $1,816/mo. Consider income potential, tax burden, and lifestyle preferences alongside raw cost data.
View Joliet details → View Westminster details →

More Comparisons

Other cost of living comparisons for Joliet and Westminster

Joliet vs. Jackson Joliet vs. Surprise Joliet vs. Escondido Joliet vs. Naperville Joliet vs. Bellevue Joliet vs. Pasadena Westminster vs. Antioch Westminster vs. Manchester Westminster vs. Broken Arrow Westminster vs. Richmond Westminster vs. West Jordan Westminster vs. High Point