Naperville vs New Haven
Side-by-side cost of living comparison for 2026
Naperville
New Haven
๐ก The Verdict
5% cheaper
Naperville is 5% more affordable than New Haven. A $75,000 salary in New Haven is equivalent to $71,186 in Naperville.
Category-by-Category Breakdown
Index values shown. National average = 100. Lower is cheaper.
๐ฐ Salary Equivalence
To maintain the same standard of living:
See exact take-home pay: Illinois salaries ยท Connecticut salaries
Living in Naperville vs New Haven
Housing is typically the biggest factor in any cost-of-living comparison. Naperville has a housing index of 130 while New Haven sits at 137 (national average = 100). The median home in Naperville costs $430,000 compared to $250,000 in New Haven, a difference of $180,000. Monthly rent follows a similar pattern: $1,800 in Naperville versus $1,400 in New Haven.
Groceries and everyday expenses show a narrower gap: Naperville scores 104 while New Haven scores 106.
Healthcare costs in Naperville (101) are lower than New Haven (114).
Median household income in Naperville is $118,254 compared to $42,158 in New Haven. When adjusted for cost of living, income goes further in Naperville.
Relocating: Naperville vs New Haven
If you are considering a move between Naperville (index: 112) and New Haven (index: 118), the 5% cost difference has real implications for your budget. Naperville 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 New Haven can afford $984/month. With median homes at $430,000 in Naperville versus $250,000 in New Haven, homeownership requires above-median income in the pricier market.
Renting vs buying: At $1,800/month in Naperville and $1,400/month in New Haven, renters save significantly in Naperville. 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 significantly further in Naperville. 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 New Haven (118)
The cost of living index uses 100 as the national average. Naperville at 112 is 12% above the US average, while New Haven at 118 is 18% above 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 โ 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 $1,400/month in New Haven, the annual rent difference is approximately $4,800. Over a 5-year period, that compounds to $24,000 in savings by choosing the more affordable city.
For homebuyers: The $180,000 difference in median home prices between Naperville and New Haven translates to roughly $10,800 per month in mortgage payments at current rates. Factor this into your budget alongside property taxes and insurance, which also vary by location.
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