St. Clair County, Missouri Income Statistics
St. Clair 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
St. Clair County Well below averageLess wealthy than 75% of counties in Missouri
Source: Map AI Methodology
Income Statistics Overview
| Metric | St. Clair County | Missouri Avg | US Average |
|---|---|---|---|
| Median Household Income | $52,864 | $70,801 | $80,455 |
| Median Personal Income | $43,878 | $54,686 | $60,758 |
| Average Yearly Income Growth | 5.9% | 4.6% | 4.8% |
| Six-Figure Earners | 3.7% | 10.5% | 13.9% |
| $200k+ Households | 3.3% | 8.7% | 13.2% |
The median household income in St. Clair County is about 25% lower than in Missouri. Income has been growing faster in St. Clair County (5.9%/yr) than in Missouri (4.6%/yr).
About 4% of adults in St. Clair County earn six figures ($100,000 or more) a year, lower than the Missouri average of 11%.
Median Household Income 2009–2024 Trend
Median Household Income Over Time
Median household income in St. Clair County, Missouri grew by 60.0% from 2009 to 2024, reaching $52,864 in 2024. That's an average of about 5.9% per year.
Income Inequality and the Gender Pay Gap in St. Clair County
| Metric | St. Clair County | Missouri Avg | US Average |
|---|---|---|---|
| Gini Coefficient | 0.506 | 0.532 | 0.552 |
| Male Median Income | $52,445 | $64,288 | $69,667 |
| Female Median Income | $43,042 | $51,060 | $56,850 |
| Gender Pay Gap | 17.9% | 20.6% | 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 St. Clair County, it is 0.506, lower than Missouri's 0.532, 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 22% more than women's income in St. Clair County, Missouri. Over a 35-year career, a 22% wage gap accumulates to roughly $329,105 in unearned income for female workers in the area.
Income by Sex Over Time
Since 2009, the income gap between men and women in St. Clair County, Missouri has widened from about 11% to 18% in 2024. Over that period the gap was widest at 36% in 2018, and was narrowest at 10% in 2021. In dollar terms, the gap has widened by $5,946 since 2009.
Sharply against the trend: the pay gap in St. Clair County widened by 7.0 points while Missouri's narrowed by 4.5 points.
Employment
| Metric | St. Clair County | Missouri Avg | US Average |
|---|---|---|---|
| Unemployment Rate | 3.3% | 4.0% | 5.2% |
| Working from Home | 8.8% | 13.0% | 15.0% |
| Commute time (minutes) | 22 | 20 | 22 |
Approximately 137 people are unemployed in St. Clair County, Missouri.
The average commute time in St. Clair County is 22 minutes, longer than the 20 minutes in Missouri.
Unemployment Rate Over Time
Since 2011, the unemployment rate in St. Clair County, Missouri has fallen from 7.4% to 3.3% in 2024. Over that period the rate peaked at 10.4% in 2014 and fell as low as 2.4% in 2022.
St. Clair County, MO Wealth Compared With Nearby Counties
St. Clair County, MO is the 5th largest of the 6 counties compared here, 9,587 residents against a local median of 20,151. Where St. Clair County, MO breaks from the counties next to it is income growth, sitting 35% above the local median of 4.3%/yr at 5.9%/yr. That is the better end of the local range on this measure.
Unemployment tells the same story from another angle: 3.3% against a local median of 4.0%, 17% below it. Every measure here with a clear better direction points the same way, so St. Clair County, MO is not trading one advantage for another, it reads stronger than its neighbours across the board. The counties themselves spread 3.5%/yr on income growth, so St. Clair County, MO sits at one end of an already wide local range rather than apart from it. St. Clair County, MO has the 2nd highest income growth 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. |
|---|---|---|---|---|---|
| St. Clair County, MO | 9,587 | $52,864 #3/6 | 5.9%/yr #2/6 | 3.3% #2/6 | 0.506 #2/6 |
| Cedar County, MO | 14,615 | $48,492 | 4.8%/yr | 2.6% | 0.542 |
| Henry County, MO | 22,328 | $57,861 | 4.0%/yr | 4.4% | 0.501 |
| Hickory County, MO | 8,585 | $39,283 | 2.5%/yr | 13.7% | 0.553 |
| Benton County, MO | 20,151 | $52,808 | 6.0%/yr | 3.8% | 0.532 |
| Polk County, MO | 32,444 | $59,586 | 4.3%/yr | 4.0% | 0.552 |
Conclusion
Considering all these factors, St. Clair County, Missouri has an overall wealth index grade of D, making it somewhat worse than Missouri, and somewhat worse than the country as a whole.
Frequently Asked Questions
Common questions about income and wealth in St. Clair County, Missouri.
How Rich Is St. Clair County, Missouri?
St. Clair 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 $52,864, about 25% lower than the Missouri average of $70,801.
How has median household income changed in St. Clair County, Missouri?
Between 2009 and 2024, the median household income in St. Clair County, Missouri rose 60%, from $33,031 to $52,864. Over the same years, income here outpaced Missouri as a whole: +60% against +54%.
What was the median household income in St. Clair County in 2023?
In 2023, the median household income in St. Clair County, Missouri was $47,459, up 9% from $43,657 in 2022. The Missouri median that year was $69,047.
What was the median household income in St. Clair County in 2020?
In 2020, the median household income in St. Clair County, Missouri was $39,100. By 2024 it had risen 35% to $52,864.
What is the Gini coefficient in St. Clair County, Missouri?
The Gini coefficient in St. Clair County is 0.506. 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 St. Clair County, Missouri?
Since 2009, the income gap between men and women in St. Clair County, Missouri has widened from about 11% to 18% in 2024. Over that period the gap was widest at 36% in 2018, and was narrowest at 10% in 2021. In dollar terms, the gap has widened by $5,946 since 2009.
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