City Comparison

Great Falls vs Joliet

Cost of Living Comparison · 2026

Great Falls

Montana
88
Below Average
$325,000
Median Home
$1,050/mo
Median Rent
$55,800
Median Income

Joliet

Illinois
95
Below Average
$275,000
Median Home
$1,325/mo
Median Rent
$88,000
Median Income

The Verdict

7.4%

Living in Great Falls costs 7.4% less than Joliet. To match the purchasing power of a $75,000 salary in Great Falls, you would need $80,966 in Joliet.

Category-by-Category Breakdown

Index values · National average = 100 · Lower is more affordable

Housing
82
Great Falls
85
Joliet
Groceries
99
Great Falls
101
Joliet
Utilities
90
Great Falls
94
Joliet
Transportation
95
Great Falls
108
Joliet
Healthcare
92
Great Falls
102
Joliet

Salary Equivalence

A $75,000 salary in Great Falls has the same purchasing power as $80,966 in Joliet.

Conversely, $75,000 in Joliet equals $69,474 in Great Falls.

Living in Great Falls vs Joliet

Housing Costs

Great Falls's housing index of 82 is lower Joliet's 85, translating to median home prices of $325,000 vs $275,000. The $50,000 difference in home prices means roughly $3,252 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,050/mo in Great Falls compared to $1,325/mo in Joliet, a monthly difference of $275.

Grocery & Food Costs

Grocery expenses index at 99 in Great Falls and 101 in Joliet. A household spending the national average of $475/month on groceries would pay approximately $470/month in Great Falls vs $480/month in Joliet. The difference in grocery costs between these cities is relatively minor and unlikely to be a deciding factor in relocation.

Utility Expenses

Utility costs — electricity, gas, water, internet — index at 90 in Great Falls and 94 in Joliet. Monthly utility bills average approximately $360 in Great Falls vs $376 in Joliet. Utility costs are relatively comparable between these two cities.

Healthcare

Healthcare costs index at 92 in Great Falls and 102 in Joliet. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. The 10-point gap reflects real differences in provider costs, insurance market competition, and regional healthcare infrastructure.

Income & Purchasing Power

Median household income is $55,800 in Great Falls and $88,000 in Joliet. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $63,409 and $92,632 respectively. Joliet residents come out ahead in real purchasing power.

Relocation Considerations

Under the standard 28% rule, a median-income household can allocate $1,302/month to housing in Great Falls vs $2,053/month in Joliet. In Great Falls, median rent of $1,050/mo fits within this budget. In Joliet, median rent of $1,325/mo remains manageable. The biggest category-level difference between these two cities is Transportation, where the gap is 13 index points — focus your budget analysis there.

Frequently Asked Questions

Great Falls is 7.4% more affordable overall with an index of 88 vs 95.
A $75,000 salary in Great Falls has equivalent purchasing power to approximately $80,966 in Joliet, based on the cost of living difference.
Great Falls's housing index is 82 with median homes at $325,000, while Joliet's is 85 with median homes at $275,000.

Moving & Relocation Resources

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