Grundy County, Illinois Income Statistics
Grundy County Wealth Score
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.
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B
Grundy County Around averageWealthier than 93% of counties in Illinois
Source: Map AI Methodology
Income Statistics Overview
| Metric | Grundy County | Illinois Avg | US Average |
|---|---|---|---|
| Median Household Income | $92,779 | $84,042 | $80,455 |
| Median Personal Income | $66,723 | $64,565 | $60,758 |
| Average Yearly Income Growth | 4.2% | 4.5% | 4.8% |
| Six-Figure Earners | 15.9% | 15.0% | 13.9% |
| $200k+ Households | 13.5% | 13.8% | 13.2% |
The median household income in Grundy County is about 10% higher than in Illinois. Income has been growing slower in Grundy County (4.2%/yr) than in Illinois (4.5%/yr).
About 16% of adults in Grundy County earn six figures ($100,000 or more) a year, higher than the Illinois average of 15%.
Median Household Income 2009–2024 Trend
Median Household Income Over Time
Median household income in Grundy County, Illinois grew by 43.2% from 2009 to 2024, reaching $92,779 in 2024. That's an average of about 4.2% per year.
Income Inequality and the Gender Pay Gap in Grundy County
| Metric | Grundy County | Illinois Avg | US Average |
|---|---|---|---|
| Gini Coefficient | 0.519 | 0.547 | 0.552 |
| Male Median Income | $81,011 | $73,933 | $69,667 |
| Female Median Income | $52,967 | $60,067 | $56,850 |
| Gender Pay Gap | 34.6% | 18.8% | 18.4% |
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 Grundy County, it is 0.519, lower than Illinois's 0.547, so income is more evenly distributed here than there, and lower than the US's 0.552, so income is more evenly distributed here than there.
Men's income is about 53% more than women's income in Grundy County, Illinois. Over a 35-year career, a 53% wage gap accumulates to roughly $981,540 in unearned income for female workers in the area.
Income by Sex Over Time
Since 2009, the income gap between men and women in Grundy County, Illinois has widened from about 33% to 35% in 2024. Over that period the gap was widest at 37% in 2011, and was narrowest at 28% in 2016. In dollar terms, the gap has widened by $8,985 since 2009.
Sharply against the trend: the pay gap in Grundy County widened by 1.8 points while Illinois's narrowed by 6.5 points.
Employment
| Metric | Grundy County | Illinois Avg | US Average |
|---|---|---|---|
| Unemployment Rate | 4.6% | 5.8% | 5.2% |
| Working from Home | 10.0% | 15.9% | 15.0% |
| Commute time (minutes) | 23 | 23 | 22 |
Approximately 1,289 people are unemployed in Grundy County, Illinois.
The average commute time in Grundy County is 23 minutes, about the same as in Illinois.
Unemployment Rate Over Time
Since 2011, the unemployment rate in Grundy County, Illinois has fallen from 9.7% to 4.6% in 2024. Over that period the rate peaked at 10.2% in 2012 and fell as low as 4.2% in 2022.
Grundy County, IL Wealth Compared With Nearby Counties
Grundy County, IL is the 5th largest of the 6 counties compared here, 53,223 residents against a local median of 108,714. The measure that sets Grundy County, IL apart most is median household income: $92,779, 26% above the local median of $73,875. That is the better end of the local range on this measure.
The counties themselves spread $38,474 on median household income, so Grundy County, IL sits at one end of an already wide local range rather than apart from it. Grundy County, IL has the 3rd highest median household income of the 6 areas compared here.
| Area | Population | Median household income | Income growthAverage yearly change in median household income since 2016. Each year is measured in its own dollars, so this is growth before inflation. | Unemployment | Income inequalityGini coefficient: 0 would mean every household earns the same, 1 that a single household earns everything. The lower the number, the more equally income is shared here. |
|---|---|---|---|---|---|
| Grundy County, IL | 53,223 | $92,779 #3/6 | 4.2%/yr #3/6 | 4.6% #3/6 | 0.519 #2/6 |
| Kendall County, IL | 137,674 | $110,609 | 3.3%/yr | 4.3% | 0.518 |
| Livingston County, IL | 35,565 | $73,875 | 3.9%/yr | 3.5% | 0.527 |
| Will County, IL | 701,595 | $109,769 | 4.4%/yr | 4.9% | 0.538 |
| LaSalle County, IL | 108,714 | $73,482 | 4.4%/yr | 5.3% | 0.524 |
| Kankakee County, IL | 106,635 | $72,136 | 3.4%/yr | 4.9% | 0.539 |
Conclusion
Considering all these factors, Grundy County, Illinois has an overall wealth index grade of B, making it somewhat better than Illinois, and somewhat better than the country as a whole.
Frequently Asked Questions
Common questions about income and wealth in Grundy County, Illinois.
How Rich Is Grundy County, Illinois?
Grundy County has a wealth index grade of B. The wealth index grades areas from A+ (best) to F- by combining income levels, employment rates, and income inequality; a B grade means residents are quite well off compared to the U.S. average. The median household income is $92,779, about 10% higher than the Illinois average of $84,042.
Are incomes growing in Grundy County, Illinois?
Between 2009 and 2024, the median household income in Grundy County, Illinois rose 43%, from $64,790 to $92,779. Over the same years, income here lagged behind Illinois as a whole: +43% against +52%.
What was the median household income in Grundy County in 2023?
In 2023, the median household income in Grundy County, Illinois was $92,389, up 3% from $90,001 in 2022. The Illinois median that year was $82,182.
What was the median household income in Grundy County in 2020?
In 2020, the median household income in Grundy County, Illinois was $75,708. By 2024 it had risen 23% to $92,779.
How strong is the job market in Grundy County, Illinois?
Unemployment in Grundy County, Illinois is only 4.6%, well below the Illinois rate of 5.8%, a sign of a tight labor market where employers compete for workers.
What is the Gini coefficient in Grundy County, Illinois?
The Gini coefficient in Grundy County is 0.519. 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 0.552, so income is distributed more equally than in the country overall.
How has the income gap between men and women changed in Grundy County, Illinois?
Since 2009, the income gap between men and women in Grundy County, Illinois has widened from about 33% to 35% in 2024. Over that period the gap was widest at 37% in 2011, and was narrowest at 28% in 2016. In dollar terms, the gap has widened by $8,985 since 2009.
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