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 | Lake County | South Dakota Avg | US Average |
|---|---|---|---|
| Median Household Income | $73,644 | $72,558 | $78,145 |
| Median Personal Income | $50,065 | $55,073 | $61,726 |
| Average income growth | 4.2% | 4.8% | 5.1% |
| Six-Figure Earners | 11.8% | 9.3% | 13.2% |
The median household income in Lake County is about 1% higher than in South Dakota. Income has been growing slower in Lake County (4.2%/yr) than in South Dakota (4.8%/yr).
About 12% of adults in Lake County earn six figures ($100,000 or more) a year, higher than the South Dakota average of 9%.
Median Household Income 2009–2023 Trend
Median Household Income Over Time
Median household income in Lake County, South Dakota grew by 59.4% from 2009 to 2023, reaching $73,644 in 2023. That's an average of about 4.2% per year.
Economic Inequality in Lake County | Gender Pay Gap | Gini Coefficient
| Metric | Lake County | South Dakota Avg | US Average |
|---|---|---|---|
| Gini Coefficient | 0.524 | 0.512 | 0.570 |
| Male Median Income | $59,606 | $61,155 | $67,746 |
| Female Median Income | $44,358 | $48,763 | $54,793 |
| Gender Pay Gap | 25.6% | 20.3% | 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 Lake County, it is 0.524, higher than South Dakota's 0.512, so income is less evenly distributed here than there, and lower than the US's 0.570, so income is more evenly distributed here than there.
Men's income is about 34% more than women's income in Lake County, South Dakota. Over a 35-year career, a 34% wage gap accumulates to roughly $533,680 in unearned income for female workers in the area.
Income by Sex Over Time
Since 2009, the income gap between men and women in Lake County, South Dakota has narrowed from about 33% to 26% in 2023. In dollar terms, the gap has widened by $2,612 since 2009.
Employment
| Metric | Lake County | South Dakota Avg | US Average |
|---|---|---|---|
| Unemployment Rate | 2.4% | 3.0% | 5.2% |
| Working from Home | 9.6% | 9.3% | 13.4% |
| Commute time (minutes) | 11 | 15 | 22 |
Approximately 147 people are unemployed in Lake County, South Dakota.
The average commute time in Lake County is 11 minutes, shorter than the 15 minutes in South Dakota.
Unemployment Rate Over Time
Since 2011, the unemployment rate in Lake County, South Dakota has fallen from 3.9% to 2.4% in 2023.
Conclusion
Considering all these factors, Lake County, South Dakota has an overall wealth index grade of B, making it somewhat better than South Dakota, and somewhat better than the country as a whole.
Frequently Asked Questions
Common questions about income and wealth in Lake County, South Dakota.
How Rich Is Lake County, South Dakota?
Lake 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 $73,644, about 1% higher than the South Dakota average of $72,558.
What is the current median household income in Lake County, South Dakota?
As of 2023, the median household income in Lake County, South Dakota is $73,644.
What was the median household income in Lake County in 2023?
In 2023, the median household income in Lake County, South Dakota was $73,644.
What was the median household income in Lake County in 2020?
In 2020, the median household income in Lake County, South Dakota was $64,529.
What is the Gini coefficient in Lake County, South Dakota?
The Gini coefficient in Lake County is 0.524. 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 Lake County, South Dakota?
Since 2009, the income gap between men and women in Lake County, South Dakota has narrowed from about 33% to 26% in 2023. In dollar terms, the gap has widened by $2,612 since 2009.