What that salary actually buys in Great Falls
Why a $300k lifestyle in Great Falls costs $318,000
Great Falls's cost-of-living index of 106 means everyday costs run roughly 6% above the national average. To maintain a $300k lifestyle, the standard national-average baseline of $300,000 adjusts to $318,000 here.
The biggest line item: rent
A 1-bedroom in Great Falls averages $1,500/month — that's $18,000/year, or about 6% of the salary required for this lifestyle. Most financial planning rules suggest keeping housing under 30% of take-home pay; on this salary, your housing cap would be $5,724/month, which comfortably covers a 1-bedroom in Great Falls.
Take-home reality
Your gross is $318,000, but federal taxes, FICA, and Montana state taxes typically eat 25-30%. After-tax income lands around $19,080/month — that's the number that has to cover housing, transportation, food, and savings. If that feels tight for the lifestyle you have in mind, scale up your salary target.
Comparison: Great Falls's median income
Great Falls's median household income is $54,234, which is below the required salary for this tier. That means most households in Great Falls earn below this threshold and may be making tradeoffs to maintain a $300k lifestyle.