Cary vs Rapid City
Cost of Living Comparison · 2026
Cary
Rapid City
The Verdict
Rapid City is 8.2% less expensive than Cary overall. A household earning $75,000 in Cary would need approximately $69,340 in Rapid City to maintain the same standard of living.
Category-by-Category Breakdown
Index values · National average = 100 · Lower is more affordable
Salary Equivalence
A $75,000 salary in Cary has the same purchasing power as $69,340 in Rapid City.
Conversely, $75,000 in Rapid City equals $81,122 in Cary.
Living in Cary vs Rapid City
Housing Costs
Cary's housing index of 152 is higher Rapid City's 91, translating to median home prices of $500,000 vs $325,000. The $175,000 difference in home prices means roughly $11,376 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,850/mo in Cary compared to $1,100/mo in Rapid City, a monthly difference of $750.
Grocery & Food Costs
Grocery expenses index at 101 in Cary and 102 in Rapid City. A household spending the national average of $475/month on groceries would pay approximately $480/month in Cary 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 97 in Cary and 87 in Rapid City. Monthly utility bills average approximately $388 in Cary vs $348 in Rapid City. Utility costs are relatively comparable between these two cities.
Healthcare
Healthcare costs index at 113 in Cary 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 $117,400 in Cary and $70,900 in Rapid City. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $110,755 and $72,347 respectively. Cary residents enjoy stronger real purchasing power despite higher nominal wages.
Relocation Considerations
Under the standard 28% rule, a median-income household can allocate $2,739/month to housing in Cary vs $1,654/month in Rapid City. In Cary, median rent of $1,850/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 Housing, where the gap is 61 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
As an Amazon Associate we earn from qualifying purchases