Johnson County, Illinois Income Statistics
Johnson 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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D
Johnson County Well below averageAmong the 5 least wealthy counties in Illinois
Source: Map AI Methodology
Income Statistics Overview
| Metric | Johnson County | Illinois Avg | US Average |
|---|---|---|---|
| Median Household Income | $63,615 | $84,042 | $80,455 |
| Median Personal Income | $49,029 | $64,565 | $60,758 |
| Average Yearly Income Growth | 4.7% | 4.5% | 4.8% |
| Six-Figure Earners | 6.8% | 15.0% | 13.9% |
| $200k+ Households | 4.7% | 13.8% | 13.2% |
The median household income in Johnson County is about 24% lower than in Illinois. Income has been growing faster in Johnson County (4.7%/yr) than in Illinois (4.5%/yr).
About 7% of adults in Johnson County earn six figures ($100,000 or more) a year, lower than the Illinois average of 15%.
Median Household Income 2009–2024 Trend
Median Household Income Over Time
Median household income in Johnson County, Illinois grew by 38.8% from 2009 to 2024, reaching $63,615 in 2024. That's an average of about 4.7% per year.
Income Inequality and the Gender Pay Gap in Johnson County
| Metric | Johnson County | Illinois Avg | US Average |
|---|---|---|---|
| Gini Coefficient | 0.619 | 0.547 | 0.552 |
| Male Median Income | $70,197 | $73,933 | $69,667 |
| Female Median Income | $43,429 | $60,067 | $56,850 |
| Gender Pay Gap | 38.1% | 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 Johnson County, it is 0.619, higher than Illinois's 0.547, so income is less evenly distributed here than there, and higher than the US's 0.552, so income is less evenly distributed here than there.
Men's income is about 62% more than women's income in Johnson County, Illinois. Over a 35-year career, a 62% wage gap accumulates to roughly $936,880 in unearned income for female workers in the area.
Income by Sex Over Time
Since 2009, the income gap between men and women in Johnson County, Illinois has widened from about 35% to 38% in 2024. Over that period the gap was widest at 39% in 2022, and was narrowest at 20% in 2015. In dollar terms, the gap has widened by $10,072 since 2009.
Sharply against the trend: the pay gap in Johnson County widened by 3.1 points while Illinois's narrowed by 6.5 points.
Employment
| Metric | Johnson County | Illinois Avg | US Average |
|---|---|---|---|
| Unemployment Rate | 3.5% | 5.8% | 5.2% |
| Working from Home | 4.8% | 15.9% | 15.0% |
| Commute time (minutes) | 30 | 23 | 22 |
Approximately 163 people are unemployed in Johnson County, Illinois.
The average commute time in Johnson County is 30 minutes, longer than the 23 minutes in Illinois.
Unemployment Rate Over Time
Since 2011, the unemployment rate in Johnson County, Illinois has fallen from 8.7% to 3.5% in 2024. Over that period the rate peaked at 11.4% in 2013 and fell as low as 2.5% in 2023.
Johnson County, IL Wealth Compared With Nearby Counties
Johnson County, IL is typical in size for this group, 13,376 residents against a local median of 13,864, so the measures below are close to a like for like comparison. Where Johnson County, IL breaks from the counties next to it is income inequality, sitting 16% above the local median of 0.535 at 0.619. That is the weaker end of the local range on this measure.
The counties themselves sit within 0.032 of each other on income inequality, a tighter band than the gap between any of them and Johnson County, IL, which makes it a genuine outlier here rather than one end of a wide local spread. Johnson County, IL has the 6th lowest income inequality 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. |
|---|---|---|---|---|---|
| Johnson County, IL | 13,376 | $63,615 #2/6 | 4.7%/yr #3/6 | 3.5% #2/6 | 0.619 #6/6 |
| Williamson County, IL | 66,874 | $65,527 | 4.6%/yr | 5.0% | 0.533 |
| Massac County, IL | 13,864 | $63,609 | 5.3%/yr | 3.8% | 0.535 |
| Pope County, IL | 3,739 | $60,050 | 5.8%/yr | 2.8% | 0.533 |
| Pulaski County, IL | 5,015 | $42,913 | 3.5%/yr | 4.3% | 0.564 |
| Union County, IL | 16,997 | $55,637 | 2.6%/yr | 3.9% | 0.554 |
Conclusion
Considering all these factors, Johnson County, Illinois has an overall wealth index grade of D, making it somewhat worse than Illinois, and somewhat worse than the country as a whole.
Frequently Asked Questions
Common questions about income and wealth in Johnson County, Illinois.
How Rich Is Johnson County, Illinois?
Johnson County has a wealth index grade of D. The wealth index grades areas from A+ (best) to F- by combining income levels, employment rates, and income inequality; a D grade means residents are somewhat worse off than the U.S. average. The median household income is $63,615, about 24% lower than the Illinois average of $84,042.
How fast is household income rising in Johnson County, Illinois?
Between 2009 and 2024, the median household income in Johnson County, Illinois rose 39%, from $45,832 to $63,615. Over the same years, income here lagged behind Illinois as a whole: +39% against +52%.
What was the median household income in Johnson County in 2023?
In 2023, the median household income in Johnson County, Illinois was $64,259, up 2% from $62,983 in 2022. The Illinois median that year was $82,182.
What was the median household income in Johnson County in 2020?
In 2020, the median household income in Johnson County, Illinois was $54,728. By 2024 it had risen 16% to $63,615.
Is it hard to find a job in Johnson County, Illinois?
Unemployment in Johnson County, Illinois is only 3.5%, 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 Johnson County, Illinois?
The Gini coefficient in Johnson County is 0.619. It measures income inequality on a scale from 0 (everyone earns the same) to 1 (one household earns everything). That is higher than the US average of 0.552, so income is distributed less equally than in the country overall.
How has the income gap between men and women changed in Johnson County, Illinois?
Since 2009, the income gap between men and women in Johnson County, Illinois has widened from about 35% to 38% in 2024. Over that period the gap was widest at 39% in 2022, and was narrowest at 20% in 2015. In dollar terms, the gap has widened by $10,072 since 2009.
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