Naperville vs Billings

Category-by-Category Breakdown

Index values shown. National average = 100. Lower is cheaper.

💰 Salary Equivalence

To maintain the same standard of living:

See exact take-home pay: Illinois salaries · Montana salaries

Living in Naperville vs Billings

Housing is typically the biggest factor in any cost-of-living comparison. Naperville has a housing index of 130 while Billings sits at 93 (national average = 100). The median home in Naperville costs $430,000 compared to $310,000 in Billings, a difference of $120,000. Monthly rent follows a similar pattern: $1,800 in Naperville versus $1,200 in Billings.

Groceries and everyday expenses show a notable difference: Naperville scores 104 while Billings scores 99. Both cities are close to the national average for grocery costs.

Healthcare costs in Naperville (101) are lower than Billings (102). Both are close to the national average.

Median household income in Naperville is $118,254 compared to $55,438 in Billings. When adjusted for cost of living, income goes further in Billings.

Relocating: Naperville vs Billings

If you are considering a move between Naperville (index: 112) and Billings (index: 98), the 12% cost difference has real implications for your budget. Billings is the more affordable option, but the right choice depends on your income, career opportunities, and lifestyle priorities.

Housing budget reality: Using the 28% rule (spending no more than 28% of gross income on housing), the median household in Naperville can afford $2,759/month, while the median household in Billings can afford $1,294/month. With median homes at $430,000 in Naperville versus $310,000 in Billings, homeownership requires above-median income in the pricier market.

Renting vs buying: At $1,800/month in Naperville and $1,200/month in Billings, renters save significantly in Billings. The rent-to-own ratio in each city determines whether renting or buying offers better value for your situation.

Income adjustment: A $75,000 salary goes further in Billings where costs are 2% below the national average. Before accepting a job in either city, use the salary equivalence data above to understand what you would need to earn to maintain your current standard of living.

Reading These Numbers: Naperville (112) vs Billings (98)

The cost of living index uses 100 as the national average. Naperville at 112 is 12% above the US average, while Billings at 98 is 2% below average. There is a meaningful cost gap between these two cities that affects day-to-day budgeting.

The overall index is a weighted average of housing (the largest component), groceries, utilities, transportation, and healthcare. Housing typically drives the biggest differences between cities. Even when two cities have similar overall indices, their category-level costs can vary significantly — one city might have expensive housing but cheap groceries, while another is the reverse. Check the category breakdown above for the full picture.

For renters: With median rents of $1,800/month in Naperville and $1,200/month in Billings, the annual rent difference is approximately $7,200. Over a 5-year period, that compounds to $36,000 in savings by choosing the more affordable city.

For homebuyers: The $120,000 difference in median home prices between Naperville and Billings translates to roughly $7,200 per month in mortgage payments at current rates. Factor this into your budget alongside property taxes and insurance, which also vary by location.

🔗 Related Tools

📚 Moving & Relocation Resources

Amazon affiliate links