Wealth Index
The wealth index reflects the overall economic prosperity and financial well-being of a county's residents based on income levels, employment rates, and income inequality metrics.
Income Statistics Overview
| Metric | Naperville | Illinois Avg | US Average |
|---|---|---|---|
| Median Household Income | $147,990 | $82,179 | $78,145 |
| Median Personal Income | $103,948 | $65,365 | $61,726 |
| Average income growth | 4.7% | 4.8% | 5.1% |
| Six-Figure Earners | 30.7% | 14.4% | 13.2% |
The median household income in Naperville is about 80% higher than in Illinois. Income has been growing slower in Naperville (4.7%/yr) than in Illinois (4.8%/yr).
About 31% of adults in Naperville earn six figures ($100,000 or more) a year, higher than the Illinois average of 14%.
Median Household Income 2009–2023 Trend
Median Household Income Over Time
Median household income in Naperville, Illinois grew by 49.3% from 2009 to 2023, reaching $147,990 in 2023. That's an average of about 4.7% per year.
Economic Inequality in Naperville | Gender Pay Gap | Gini Coefficient
| Metric | Naperville | Illinois Avg | US Average |
|---|---|---|---|
| Gini Coefficient | 0.563 | 0.567 | 0.570 |
| Male Median Income | $118,861 | $72,139 | $67,746 |
| Female Median Income | $84,127 | $58,023 | $54,793 |
| Gender Pay Gap | 29.2% | 19.6% | 19.1% |
The Gini coefficient measures how evenly income is shared between richer and poorer households, from 0 (everyone earns the same) to 1 (one household earns nearly everything). The lower the number, the more equally income is distributed. In Naperville, it is 0.563, about the same as Illinois's 0.567, so income here is about as evenly distributed as there, and lower than the US's 0.570, so income is more evenly distributed here than there.
Men's income is about 41% more than women's income in Naperville, Illinois. Over a 35-year career, a 41% wage gap accumulates to roughly $1,215,690 in unearned income for female workers in the area.
Income by Sex Over Time
Since 2009, the income gap between men and women in Naperville, Illinois has narrowed from about 40% to 29% in 2023. In dollar terms, the gap has narrowed by $769 since 2009.
Employment
| Metric | Naperville | Illinois Avg | US Average |
|---|---|---|---|
| Unemployment Rate | 4.0% | 5.8% | 5.2% |
| Working from Home | 26.5% | 14.0% | 13.4% |
| Commute time (minutes) | 26 | 23 | 22 |
Approximately 2,777 people are unemployed in Naperville, Illinois.
The average commute time in Naperville is 26 minutes, longer than the 23 minutes in Illinois.
Unemployment Rate Over Time
Since 2011, the unemployment rate in Naperville, Illinois has fallen from 6.1% to 4.0% in 2023.
Conclusion
Considering all these factors, Naperville, Illinois has an overall wealth index grade of A+, making it notably better than Illinois, and far better than the country as a whole.
Naperville, IL Wealth Compared With Nearby Cities
Naperville, IL is the 2nd largest of the 5 cities compared here, 127,521 residents against a local median of 60,316. Naperville, IL's median household income, at $147,990, runs 42% above the $104,484 typical of the cities around it. That is the better end of the local range on this measure.
Unemployment tells the same story from another angle: 4.0% against a local median of 5.0%, 19% below it. Every measure here with a clear better direction points the same way, so Naperville, IL is not trading one advantage for another, it reads stronger than its neighbours across the board. The cities themselves sit within $27,395 of each other on median household income, a tighter band than the gap between any of them and Naperville, IL, which makes it a genuine outlier here rather than one end of a wide local spread. Naperville, IL has the highest median household income of the 5 areas compared here.
| Area | Population | Median household income | Unemployment | Income inequality |
|---|---|---|---|---|
| Naperville, IL | 127,521 | $147,990 #1/5 | 4.0% #2/5 | 0.6 #3/5 |
| Bolingbrook, IL | 75,045 | $107,252 | 4.9% | 0.6 |
| Lisle, IL | 21,854 | $101,715 | 5.0% | 0.5 |
| Wheaton, IL | 45,588 | $117,814 | 3.6% | 0.6 |
| Aurora, IL | 177,409 | $90,419 | 6.0% | 0.6 |
Frequently Asked Questions
Common questions about income and wealth in Naperville, Illinois.
How Rich Is Naperville, Illinois?
Naperville has a wealth index grade of A+. The wealth index grades areas from A+ (best) to F- by combining income levels, employment rates, and income inequality; an A+ grade means it is one of the most prosperous areas in the country. The median household income is $147,990, about 80% higher than the Illinois average of $82,179.
What is the current median household income in Naperville, Illinois?
As of 2023, the median household income in Naperville, Illinois is $147,990.
What was the median household income in Naperville in 2023?
In 2023, the median household income in Naperville, Illinois was $147,990.
What was the median household income in Naperville in 2020?
In 2020, the median household income in Naperville, Illinois was $125,082.
What is the Gini coefficient in Naperville, Illinois?
The Gini coefficient in Naperville is 0.563. It measures income inequality on a scale from 0 (everyone earns the same) to 1 (one household earns everything). That is lower than the US average of 0.570, so income is distributed more equally than in the country overall.
How has the income gap between men and women changed in Naperville, Illinois?
Since 2009, the income gap between men and women in Naperville, Illinois has narrowed from about 40% to 29% in 2023. In dollar terms, the gap has narrowed by $769 since 2009.