Flagstaff vs Sioux Falls
Cost of Living Comparison · 2026
Flagstaff
Sioux Falls
The Verdict
The cost gap between these cities is 24.7%, with Sioux Falls being the more affordable option. A $75,000 income in Flagstaff has equivalent purchasing power to $60,129 in Sioux Falls.
Category-by-Category Breakdown
Index values · National average = 100 · Lower is more affordable
Salary Equivalence
A $75,000 salary in Flagstaff has the same purchasing power as $60,129 in Sioux Falls.
Conversely, $75,000 in Sioux Falls equals $93,548 in Flagstaff.
Living in Flagstaff vs Sioux Falls
Housing Costs
Flagstaff's housing index of 178 is higher Sioux Falls's 80, translating to median home prices of $655,000 vs $265,000. The $390,000 difference in home prices means roughly $25,356 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,750/mo in Flagstaff compared to $1,100/mo in Sioux Falls, a monthly difference of $650.
Grocery & Food Costs
Grocery expenses index at 102 in Flagstaff and 97 in Sioux Falls. A household spending the national average of $475/month on groceries would pay approximately $485/month in Flagstaff vs $461/month in Sioux Falls. 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 92 in Flagstaff and 94 in Sioux Falls. Monthly utility bills average approximately $368 in Flagstaff vs $376 in Sioux Falls. Utility costs are relatively comparable between these two cities.
Healthcare
Healthcare costs index at 102 in Flagstaff and 101 in Sioux Falls. 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 $68,000 in Flagstaff and $61,714 in Sioux Falls. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $58,621 and $66,359 respectively. Sioux Falls residents come out ahead in real purchasing power.
Relocation Considerations
Under the standard 28% rule, a median-income household can allocate $1,587/month to housing in Flagstaff vs $1,440/month in Sioux Falls. In Flagstaff, median rent of $1,750/mo exceeds this threshold, suggesting renters may feel stretched. In Sioux Falls, median rent of $1,100/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 98 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
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