Two cities, two very different economic stories. Naperville — with a cost index of 118 — and Joliet at 96 offer distinct trade-offs that a single "which is cheaper" question can't capture. This side-by-side analysis covers the significant 22% cost gap across 62 categories, with specific guidance on which city works better for different lifestyles and budgets.
Joliet is the more affordable choice between Naperville and Joliet, with a 22% lower overall cost index. Joliet has the recurring monthly cost edge at roughly $2,512/mo, while Naperville has the stronger salary-side advantage.
This comparison separates lower living costs from higher salary potential so a move decision does not over-credit one number. Use the cards below to see the main trade-offs before going into the full category table.
Joliet is ahead on recurring modeled costs, or about $30,144/yr.
Naperville wins 19 total categories; Joliet wins 43. Salary categories are judged by higher pay.
ACS median household income differs by about $62,904 between the two cities.
ACS median gross rent is separated by about $609/mo.
Overall Cost of Living Comparison
| Category | Naperville | Joliet | Difference |
|---|---|---|---|
| Overall | C | B | Joliet +9pts |
| Housing | C | B+ | Joliet +11pts |
| Food | C | B | Joliet +7pts |
| Healthcare | C+ | B+ | Joliet +4pts |
| Transportation | C | B+ | Joliet +7pts |
| Utilities | C+ | B | Joliet +3pts |
Rent, Food, and Utility Differences
Housing
Housing costs are primarily driven by local real estate markets and land values.
Food & Groceries
Food & Groceries costs are primarily driven by local supply chains and regional agriculture.
Healthcare
Healthcare costs are primarily driven by local provider networks and state regulations.
Transportation
Transportation costs are primarily driven by local public transit availability and fuel costs.
Utilities
Utilities costs are primarily driven by local energy sources and climate demands.
Services
Services costs are primarily driven by local labor markets and demand density.
Key Cost Comparisons
Cost of Living
Home Services
Business Startup Costs
Insurance
Legal Services
Salaries & Jobs
Which City Gives You More Buying Power?
The "better" city depends on your situation. Here's how different profiles stack up:
Remote Worker
→ JolietIf your salary doesn't depend on location, Joliet's 22% lower costs translate directly into more savings or disposable income. Your paycheck goes further without a pay cut.
Young Professional
→ NapervilleNaperville's higher costs often come with a stronger job market and faster career progression. The salary premium in competitive industries can offset the higher expenses.
Family with Kids
→ JolietFamilies face multiplied costs — housing, groceries, healthcare, and transportation all scale with household size. Joliet's 22% advantage compounds across every budget category.
Small Business Owner
→ JolietLower operating costs in Joliet mean lower break-even points. Rent, utilities, insurance, and labor all come in cheaper, giving new businesses more runway to reach profitability.
Retiree
→ JolietOn a fixed income, every percentage point matters. Joliet's lower healthcare, housing, and everyday costs help retirement savings last longer.
Salary Equivalent Between Cities
Joliet has the lower overall cost index and wins 42 non-salary cost categories.Naperville has the stronger salary edge across 9 salary categories, so wages are shown separately from affordability.
Move Decision Checklist
- Compare rent first: it is usually the biggest swing item between Naperville and Joliet.
- Do not mix salary and affordability: use Naperville for pay leverage and Joliet for spending power.
- Run the move-shock and salary-needed pages before committing to deposits, movers, or a lease.
Explore Each City
Explore Specific Costs
Dive deeper into specific cost topics for each city:
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Frequently Asked Questions
What is the cost of living index for Naperville vs Joliet?
Naperville's cost of living index is 118; Joliet's is 96. A score of 100 represents the national average. Naperville is above average; Joliet is below average. These figures are derived from BLS and Census data.
Which city has better job opportunities?
Job market strength depends on your industry. Naperville's higher cost index often correlates with a stronger job market and higher wages, particularly in professional services and tech. Median incomes are $126K (Naperville) vs $66K (Joliet).
Which city is better for remote workers?
For remote workers earning a location-independent salary, Joliet is the clear winner. The 22% cost advantage means more of your paycheck goes to savings or discretionary spending. Naperville makes more sense if your employer adjusts pay upward for that market.
Should I move from Naperville to Joliet?
If your income stays the same or comparable, moving from Naperville to Joliet gives you 22% more purchasing power. That said, the decision depends on career opportunities, family ties, lifestyle preferences, and which specific costs matter most to your household. Review the category breakdown above to see which line items shift the most.
About This Comparison
Limitations: ACS values are official citywide estimates, while some category costs remain modeled. Actual costs may vary by neighborhood, provider, timing, and household needs. Salary data reflects median full-time employment; contract and freelance rates differ. Last updated: May 2026.