Great Falls vs Port St Lucie
Cost of Living Comparison · 2026
Great Falls
Port St Lucie
The Verdict
Living in Great Falls costs 11.1% less than Port St Lucie. To match the purchasing power of a $75,000 salary in Great Falls, you would need $84,375 in Port St Lucie.
Category-by-Category Breakdown
Index values · National average = 100 · Lower is more affordable
Salary Equivalence
A $75,000 salary in Great Falls has the same purchasing power as $84,375 in Port St Lucie.
Conversely, $75,000 in Port St Lucie equals $66,667 in Great Falls.
Living in Great Falls vs Port St Lucie
Housing Costs
Great Falls's housing index of 82 is lower Port St Lucie's 103, translating to median home prices of $325,000 vs $384,000. The $59,000 difference in home prices means roughly $3,840 per year in additional mortgage costs at current rates. Renters face a similar gap: $1,050/mo in Great Falls compared to $1,800/mo in Port St Lucie, a monthly difference of $750.
Grocery & Food Costs
Grocery expenses index at 99 in Great Falls and 102 in Port St Lucie. A household spending the national average of $475/month on groceries would pay approximately $470/month in Great Falls vs $485/month in Port St Lucie. 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 93 in Port St Lucie. Monthly utility bills average approximately $360 in Great Falls vs $372 in Port St Lucie. Utility costs are relatively comparable between these two cities.
Healthcare
Healthcare costs index at 92 in Great Falls and 96 in Port St Lucie. 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 $55,800 in Great Falls and $81,100 in Port St Lucie. After adjusting for local costs, purchasing-power-equivalent incomes are approximately $63,409 and $81,919 respectively. Port St Lucie 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 $1,892/month in Port St Lucie. In Great Falls, median rent of $1,050/mo fits within this budget. In Port St Lucie, median rent of $1,800/mo remains manageable. The biggest category-level difference between these two cities is Housing, where the gap is 21 index points — focus your budget analysis there.
Frequently Asked Questions
Moving & Relocation Resources
As an Amazon Associate we earn from qualifying purchases