St. Clair County, Michigan 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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C
St. Clair County Below averageWealthier than 79% of counties in Michigan
Source: Map AI Methodology
Income Statistics Overview
| Metric | St. Clair County | Michigan Avg | US Average |
|---|---|---|---|
| Median Household Income | $71,019 | $72,977 | $80,455 |
| Median Personal Income | $57,056 | $59,920 | $60,758 |
| Average Yearly Income Growth | 4.2% | 4.6% | 4.8% |
| Six-Figure Earners | 9.4% | 11.4% | 13.9% |
| $200k+ Households | 7.1% | 9.5% | 13.2% |
The median household income in St. Clair County is about 3% lower than in Michigan. Income has been growing slower in St. Clair County (4.2%/yr) than in Michigan (4.6%/yr).
About 9% of adults in St. Clair County earn six figures ($100,000 or more) a year, lower than the Michigan average of 11%.
Median Household Income 2009–2024 Trend
Median Household Income Over Time
Median household income in St. Clair County, Michigan grew by 40.2% from 2009 to 2024, reaching $71,019 in 2024. That's an average of about 4.2% per year.
Income Inequality and the Gender Pay Gap in St. Clair County
| Metric | St. Clair County | Michigan Avg | US Average |
|---|---|---|---|
| Gini Coefficient | 0.518 | 0.539 | 0.552 |
| Male Median Income | $66,885 | $69,354 | $69,667 |
| Female Median Income | $49,693 | $54,749 | $56,850 |
| Gender Pay Gap | 25.7% | 21.1% | 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 0.518, lower than Michigan's 0.539, 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 35% more than women's income in St. Clair County, Michigan. Over a 35-year career, a 35% wage gap accumulates to roughly $601,720 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, Michigan has narrowed from about 34% to 26% in 2024. Over that period the gap was widest at 34% in 2010. In dollar terms, the gap has narrowed by $412 since 2009.
Employment
| Metric | St. Clair County | Michigan Avg | US Average |
|---|---|---|---|
| Unemployment Rate | 5.7% | 5.7% | 5.2% |
| Working from Home | 7.7% | 13.5% | 15.0% |
| Commute time (minutes) | 23 | 21 | 22 |
Approximately 4,595 people are unemployed in St. Clair County, Michigan.
The average commute time in St. Clair County is 23 minutes, longer than the 21 minutes in Michigan.
Unemployment Rate Over Time
Since 2011, the unemployment rate in St. Clair County, Michigan has fallen from 13.9% to 5.7% in 2024. Over that period the rate peaked at 14.7% in 2013.
St. Clair County, MI Wealth Compared With Nearby Counties
St. Clair County, MI is the 4th largest of the 6 counties compared here, 160,218 residents against a local median of 879,566. There is no headline here. Every measure below sits within 15% of the median across the nearest counties, which makes St. Clair County, MI an unremarkable member of its own neighbourhood rather than an outlier in it.
The largest of those small differences is median household income, 7% below the local median at $71,019 against $76,664. St. Clair County, MI has the 4th 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. |
|---|---|---|---|---|---|
| St. Clair County, MI | 160,218 | $71,019 #4/6 | 4.2%/yr #3/6 | 5.7% #3/6 | 0.518 #1/6 |
| Macomb County, MI | 879,566 | $77,943 | 4.2%/yr | 5.7% | 0.527 |
| Sanilac County, MI | 40,462 | $58,919 | 4.2%/yr | 6.0% | 0.522 |
| Lapeer County, MI | 88,837 | $76,664 | 4.2%/yr | 5.1% | 0.527 |
| Oakland County, MI | 1,277,811 | $98,107 | 4.3%/yr | 4.8% | 0.527 |
| Wayne County, MI | 1,771,784 | $60,677 | 4.7%/yr | 8.7% | 0.566 |
Conclusion
Considering all these factors, St. Clair County, Michigan has an overall wealth index grade of C, making it somewhat better than Michigan, and about on par with the country as a whole.
Frequently Asked Questions
Common questions about income and wealth in St. Clair County, Michigan.
How Rich Is St. Clair County, Michigan?
St. Clair County has a wealth index grade of C. The wealth index grades areas from A+ (best) to F- by combining income levels, employment rates, and income inequality; a C grade means residents are close to the U.S. average. The median household income is $71,019, about 3% lower than the Michigan average of $72,977.
How fast is household income rising in St. Clair County, Michigan?
Between 2009 and 2024, the median household income in St. Clair County, Michigan rose 40%, from $50,671 to $71,019. Over the same years, income here lagged behind Michigan as a whole: +40% against +50%.
What was the median household income in St. Clair County in 2023?
In 2023, the median household income in St. Clair County, Michigan was $69,823, up 3% from $67,484 in 2022. The Michigan median that year was $71,362.
What was the median household income in St. Clair County in 2020?
In 2020, the median household income in St. Clair County, Michigan was $58,713. By 2024 it had risen 21% to $71,019.
What is the Gini coefficient in St. Clair County, Michigan?
The Gini coefficient in St. Clair County is 0.518. 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, Michigan?
Since 2009, the income gap between men and women in St. Clair County, Michigan has narrowed from about 34% to 26% in 2024. Over that period the gap was widest at 34% in 2010. In dollar terms, the gap has narrowed by $412 since 2009.
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