What that salary actually buys in Billings
Why a family of 4 lifestyle in Billings costs $118,800
Billings's cost-of-living index of 108 means everyday costs run roughly 8% above the national average. To maintain a family of 4 lifestyle, the standard national-average baseline of $110,000 adjusts to $118,800 here.
The biggest line item: rent
A 1-bedroom in Billings averages $1,500/month — that's $18,000/year, or about 15% 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 $2,138/month, which comfortably covers a 1-bedroom in Billings.
Take-home reality
Your gross is $118,800, but federal taxes, FICA, and Montana state taxes typically eat 25-30%. After-tax income lands around $7,128/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: Billings's median income
Billings's median household income is $57,234, which is below the required salary for this tier. That means most households in Billings earn below this threshold and may be making tradeoffs to maintain a family of 4 lifestyle.