City Comparison

Billings vs Rapid City

Cost of Living Comparison · 2026

Billings

Montana
98
Average
$310,000
Median Home
$1,200/mo
Median Rent
$55,438
Median Income

Rapid City

South Dakota
98
Average
$325,000
Median Home
$1,100/mo
Median Rent
$70,900
Median Income

The Verdict

0.0%

The cost gap between these cities is 0.0%, with Billings being the more affordable option. A $75,000 income in Billings has equivalent purchasing power to $75,000 in Rapid City.

Category-by-Category Breakdown

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

Housing
93
Billings
91
Rapid City
Groceries
99
Billings
102
Rapid City
Utilities
89
Billings
87
Rapid City
Transportation
101
Billings
102
Rapid City
Healthcare
102
Billings
107
Rapid City

Salary Equivalence

A $75,000 salary in Billings has the same purchasing power as $75,000 in Rapid City.

Conversely, $75,000 in Rapid City equals $75,000 in Billings.

Living in Billings vs Rapid City

Housing Costs

Billings's housing index of 93 is higher Rapid City's 91, translating to median home prices of $310,000 vs $325,000. The $15,000 difference in home prices means roughly $972 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,200/mo in Billings compared to $1,100/mo in Rapid City, a monthly difference of $100.

Grocery & Food Costs

Grocery expenses index at 99 in Billings and 102 in Rapid City. A household spending the national average of $475/month on groceries would pay approximately $470/month in Billings vs $485/month in Rapid City. 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 89 in Billings and 87 in Rapid City. Monthly utility bills average approximately $356 in Billings vs $348 in Rapid City. Utility costs are relatively comparable between these two cities.

Healthcare

Healthcare costs index at 102 in Billings and 107 in Rapid City. This encompasses insurance premiums, doctor visit copays, dental care, and prescription costs. Healthcare costs are relatively similar between these two cities, though individual plan costs can still vary.

Income & Purchasing Power

Median household income is $55,438 in Billings and $70,900 in Rapid City. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $56,569 and $72,347 respectively. Rapid City residents come out ahead in real purchasing power.

Relocation Considerations

Under the standard 28% rule, a median-income household can allocate $1,294/month to housing in Billings vs $1,654/month in Rapid City. In Billings, median rent of $1,200/mo fits within this budget. In Rapid City, median rent of $1,100/mo remains manageable. The biggest category-level difference between these two cities is Healthcare, where the gap is 5 index points — focus your budget analysis there.

Frequently Asked Questions

Billings is 0.0% more affordable overall with an index of 98 vs 98.
A $75,000 salary in Billings has equivalent purchasing power to approximately $75,000 in Rapid City, based on the cost of living difference.
Billings's housing index is 93 with median homes at $310,000, while Rapid City's is 91 with median homes at $325,000.

Moving & Relocation Resources

Moving PlannersFinance BooksBudget Planners

As an Amazon Associate we earn from qualifying purchases