Jefferson County, Idaho Income Statistics
Jefferson 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
Jefferson County Around averageAmong the top 5 wealthiest counties in Idaho
Source: Map AI Methodology
Income Statistics Overview
| Metric | Jefferson County | Idaho Avg | US Average |
|---|---|---|---|
| Median Household Income | $86,175 | $78,141 | $80,455 |
| Median Personal Income | $55,511 | $54,089 | $60,758 |
| Average Yearly Income Growth | 5.9% | 6.0% | 4.8% |
| Six-Figure Earners | 9.9% | 10.7% | 13.9% |
| $200k+ Households | 8.2% | 9.2% | 13.2% |
The median household income in Jefferson County is about 10% higher than in Idaho. Income has been growing slower in Jefferson County (5.9%/yr) than in Idaho (6.0%/yr).
About 10% of adults in Jefferson County earn six figures ($100,000 or more) a year, lower than the Idaho average of 11%.
Median Household Income 2009–2024 Trend
Median Household Income Over Time
Median household income in Jefferson County, Idaho grew by 71.7% from 2009 to 2024, reaching $86,175 in 2024. That's an average of about 5.9% per year.
Income Inequality and the Gender Pay Gap in Jefferson County
| Metric | Jefferson County | Idaho Avg | US Average |
|---|---|---|---|
| Gini Coefficient | 0.560 | 0.542 | 0.552 |
| Male Median Income | $72,624 | $64,507 | $69,667 |
| Female Median Income | $44,820 | $48,475 | $56,850 |
| Gender Pay Gap | 38.3% | 24.9% | 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 Jefferson County, it is 0.560, higher than Idaho's 0.542, 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 Jefferson County, Idaho. Over a 35-year career, a 62% wage gap accumulates to roughly $973,140 in unearned income for female workers in the area.
Income by Sex Over Time
Since 2009, the income gap between men and women in Jefferson County, Idaho has widened from about 33% to 38% in 2024. Over that period the gap was widest at 40% in 2012, and was narrowest at 26% in 2017. In dollar terms, the gap has widened by $14,085 since 2009.
Sharply against the trend: the pay gap in Jefferson County widened by 5.3 points while Idaho's narrowed by 3.0 points.
Employment
| Metric | Jefferson County | Idaho Avg | US Average |
|---|---|---|---|
| Unemployment Rate | 2.7% | 3.7% | 5.2% |
| Working from Home | 7.6% | 13.3% | 15.0% |
| Commute time (minutes) | 22 | 17 | 22 |
Approximately 423 people are unemployed in Jefferson County, Idaho.
The average commute time in Jefferson County is 22 minutes, longer than the 17 minutes in Idaho.
Unemployment Rate Over Time
Since 2011, the unemployment rate in Jefferson County, Idaho has fallen from 5.8% to 2.7% in 2024. Over that period the rate peaked at 6.6% in 2013 and fell as low as 2.4% in 2022.
Jefferson County, ID Wealth Compared With Nearby Counties
Jefferson County, ID is the 4th largest of the 6 counties compared here, 33,153 residents against a local median of 49,662. Where Jefferson County, ID breaks from the counties next to it is median household income, sitting 43% above the local median of $60,340 at $86,175. That is the better end of the local range on this measure.
Unemployment tells the same story from another angle: 2.7% against a local median of 4.5%, 41% below it. Every measure here with a clear better direction points the same way, so Jefferson County, ID is not trading one advantage for another, it reads stronger than its neighbours across the board. The counties themselves spread $27,321 on median household income, so Jefferson County, ID sits at one end of an already wide local range rather than apart from it. Jefferson County, ID has the 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. |
|---|---|---|---|---|---|
| Jefferson County, ID | 33,153 | $86,175 #1/6 | 5.9%/yr #3/6 | 2.7% #2/6 | 0.560 #4/6 |
| Clark County, ID | 848 | $56,333 | 8.3%/yr | 2.1% | 0.480 |
| Bingham County, ID | 49,662 | $77,597 | 5.7%/yr | 5.4% | 0.556 |
| Madison County, ID | 54,618 | $60,340 | 7.7%/yr | 8.3% | 0.645 |
| Bonneville County, ID | 129,518 | $80,129 | 5.3%/yr | 4.5% | 0.552 |
| Butte County, ID | 2,683 | $52,808 | 4.1%/yr | 4.4% | 0.560 |
Conclusion
Considering all these factors, Jefferson County, Idaho has an overall wealth index grade of B, making it somewhat better than Idaho, and somewhat better than the country as a whole.
Frequently Asked Questions
Common questions about income and wealth in Jefferson County, Idaho.
How Rich Is Jefferson County, Idaho?
Jefferson 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 $86,175, about 10% higher than the Idaho average of $78,141.
Are incomes growing in Jefferson County, Idaho?
Between 2009 and 2024, the median household income in Jefferson County, Idaho rose 72%, from $50,194 to $86,175. Over the same years, income here outpaced Idaho as a whole: +72% against +69%.
What was the median household income in Jefferson County in 2023?
In 2023, the median household income in Jefferson County, Idaho was $82,497, up 7% from $77,015 in 2022. The Idaho median that year was $74,676.
What was the median household income in Jefferson County in 2020?
In 2020, the median household income in Jefferson County, Idaho was $66,852. By 2024 it had risen 29% to $86,175.
Is it hard to find a job in Jefferson County, Idaho?
Unemployment in Jefferson County, Idaho is only 2.7%, well below the Idaho rate of 3.7%, a sign of a tight labor market where employers compete for workers.
What is the Gini coefficient in Jefferson County, Idaho?
The Gini coefficient in Jefferson County is 0.560. 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 Jefferson County, Idaho?
Since 2009, the income gap between men and women in Jefferson County, Idaho has widened from about 33% to 38% in 2024. Over that period the gap was widest at 40% in 2012, and was narrowest at 26% in 2017. In dollar terms, the gap has widened by $14,085 since 2009.
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