Naperville vs Joliet: Cost of Living Comparison

Side-by-side cost comparison across 38 categories. Updated March 2026.

IL
Naperville
118
Cost Index
Pop: 150KIncome: $126K
VS
22% diff
IL
Joliet
96
Cost Index
Pop: 150KIncome: $66K
More Affordable
Joliet
Naperville Wins
12/38
Joliet Wins
26/38
Net Advantage
Naperville saves ~$4,724/mo

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 38 categories, with specific guidance on which city works better for different lifestyles and budgets.

Share:XFLRWE

Overall Cost of Living Comparison

CategoryNapervilleJolietDifference
OverallCBJoliet +9pts
HousingCB+Joliet +11pts
FoodCBJoliet +7pts
HealthcareC+B+Joliet +4pts
TransportationCB+Joliet +7pts
UtilitiesC+BJoliet +3pts

Rent, Food, and Utility Differences

🏠

Housing

127
Naperville
Joliet saves 27%
93
Joliet

Housing costs are primarily driven by local real estate markets and land values.

🛒

Food & Groceries

101
Naperville
Naperville saves 3%
104
Joliet

Food & Groceries costs are primarily driven by local supply chains and regional agriculture.

🏥

Healthcare

112
Naperville
Joliet saves 13%
97
Joliet

Healthcare costs are primarily driven by local provider networks and state regulations.

🚗

Transportation

117
Naperville
Joliet saves 20%
94
Joliet

Transportation costs are primarily driven by local public transit availability and fuel costs.

💡

Utilities

109
Naperville
Joliet saves 10%
98
Joliet

Utilities costs are primarily driven by local energy sources and climate demands.

🔧

Services

124
Naperville
Joliet saves 25%
93
Joliet

Services costs are primarily driven by local labor markets and demand density.

Key Cost Comparisons

Roof ReplacementJoliet saves $4,948
Naperville
$10,753
Joliet
$5,805
Start a RestaurantJoliet saves $146,034
Naperville
$588,300
Joliet
$442,266
Cost of LivingJoliet saves $1,283
Naperville
$4,787
Joliet
$3,504
Rent PricesJoliet saves $829
Naperville
$2,306
Joliet
$1,477
Car InsuranceNaperville saves $93
Naperville
$1,921
Joliet
$2,014
Software Developer Salary (higher = better)Naperville pays $3,416 more
Naperville
$131,665
Joliet
$128,249

Cost of Living

Naperville: 2Joliet: 3
CategoryNapervilleJolietDiffWinner
Cost of Living$4,787$3,50427%Joliet (lower cost)
Rent Prices$2,306$1,47736%Joliet (lower cost)
Grocery Costs$454$35721%Joliet (lower cost)
Utility Costs$244$27110%Naperville (lower cost)
Transportation Costs$370$44817%Naperville (lower cost)

Home Services

Naperville: 0Joliet: 10
CategoryNapervilleJolietDiffWinner
Roof Replacement$10,753$5,80546%Joliet (lower cost)
HVAC Installation$7,429$6,10618%Joliet (lower cost)
Plumbing Services$372$30019%Joliet (lower cost)
Electrical Work$370$31515%Joliet (lower cost)
Kitchen Remodel$30,140$28,8694%Joliet (lower cost)
Bathroom Remodel$17,218$12,37428%Joliet (lower cost)
House Painting$5,542$4,59317%Joliet (lower cost)
Flooring Installation$3,453$2,97914%Joliet (lower cost)
Landscaping$3,687$2,54731%Joliet (lower cost)
Fence Installation$4,845$3,28132%Joliet (lower cost)

Business Startup Costs

Naperville: 0Joliet: 10
CategoryNapervilleJolietDiffWinner
Start a Restaurant$588,300$442,26625%Joliet (lower cost)
Start a Coffee Shop$246,088$156,49436%Joliet (lower cost)
Start a Food Truck$142,082$116,22518%Joliet (lower cost)
Start a Gym$365,283$295,03419%Joliet (lower cost)
Start a Daycare$68,288$42,23738%Joliet (lower cost)
Start a Hair Salon$368,785$264,71628%Joliet (lower cost)
Start a Laundromat$416,850$402,4133%Joliet (lower cost)
Start a Bakery$119,559$103,08914%Joliet (lower cost)
Start a Bar$568,128$433,89624%Joliet (lower cost)
Start a Cleaning Business$20,784$17,68715%Joliet (lower cost)

Insurance

Naperville: 3Joliet: 1
CategoryNapervilleJolietDiffWinner
Car Insurance$1,921$2,0145%Naperville (lower cost)
Home Insurance$2,120$2,0454%Joliet (lower cost)
Health Insurance$494$60719%Naperville (lower cost)
Business Insurance$1,662$1,7978%Naperville (lower cost)

Salaries & Jobs

Naperville: 5Joliet: 0
CategoryNapervilleJolietDiffWinner
Software Developer Salary$131,665/yr$128,249/yr3%Naperville (higher pay)
Registered Nurse Salary$78,983/yr$59,096/yr25%Naperville (higher pay)
Teacher Salary$61,796/yr$46,041/yr25%Naperville (higher pay)
Electrician Salary$79,544/yr$44,853/yr44%Naperville (higher pay)
Plumber Salary$57,912/yr$49,989/yr14%Naperville (higher pay)

Which City Gives You More Buying Power?

The "better" city depends on your situation. Here's how different profiles stack up:

💻

Remote Worker

Joliet

If 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

Naperville

Naperville'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

Joliet

Families 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

Joliet

Lower 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

Joliet

On 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 is 22% more affordable overall

Joliet wins 26 out of 38 cost categories.Naperville has higher costs but wins 12 categories — typically due to higher wages and urban demand.

Naperville
118
Joliet
96

Explore Each City

Naperville, IL
Pop: 150K | Index: 118
View all costs →
Joliet, IL
Pop: 150K | Index: 96
View all costs →

Explore Specific Costs

Dive deeper into specific cost topics for each city:

Stay Ahead of Cost Changes

Free monthly brief: the biggest cost shifts across US cities. Rent moves, insurance rate changes, salary trends — data you can act on.

Join 2,400+ readers. Unsubscribe anytime. We never share your email.

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

Data SourcesBLS Consumer Expenditure Survey, Census Bureau ACS, HUD Fair Market Rent data, BLS OEWS (salary data), and regional industry surveys.
MethodologyEach city's costs are derived from national averages adjusted by city-specific cost-of-living indices. Category-specific sensitivity factors account for varying price elasticity across topic areas.
ConfidenceMEDIUMModel-derived estimates, not direct price surveys

Limitations: This comparison uses modeled data based on cost-of-living indices. Actual costs may vary based on neighborhood, timing, provider, and individual circumstances. Salary data reflects median full-time employment; contract and freelance rates differ. Last updated: March 2026.

← All ComparisonsNaperville costs →Joliet costs →