Jefferson County, Idaho
ID · FIPS 16051 · ACS 2024 5-Year Estimates
| Metric | Value | vs National | Rank | Percentile |
|---|---|---|---|---|
| Total Population | 33,154 | — | #1,390 / 3,222 | |
| Median Household Income | $86,679 | +15.3% | #384 / 3,222 | |
| Median Age | 32.8 years | -15.7% | #3,085 / 3,222 | |
| Median Home Value | $408,400 | +44.9% | #273 / 3,222 | |
| Median Gross Rent | $1,138 | -2.1% | #642 / 3,222 | |
| Poverty Rate | 9.7% | -23.2% | #714 / 3,222 | |
Demographics
Jefferson County has a population of 33,154, making it the #1,390 most populous county in the US. The median age is 32.8 years, which is 15.7% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Household Type
Economy
The median household income in Jefferson County is $86,679, ranking #384 out of 3,222 counties — 15.3% above the national median. The poverty rate is 9.7% and unemployment stands at 2.7%.
Median Household Income Trend
Rankings →Poverty Rate Trend
Rankings →Housing
The median home value in Jefferson County is $408,400 (+44.9% vs national). Renters pay a median of $1,138/mo and the homeownership rate is 83.0%.
Median Home Value Trend
Rankings →Health
92.2% of residents in Jefferson County have health insurance coverage, which is 0.6% above the national rate.
About Jefferson County, Idaho
Jefferson County, Idaho has a total population of 33,154, making it the 1,390th most populous county in the United States. The median age in Jefferson County is 32.8 years, which is 15.7% below the national median of 38.9 years.
The median household income in Jefferson County is $86,679, which ranks #384 of 3,222 counties nationwide. This is 15.3% above the national median of $75,149. The poverty rate is 9.7%, lower than the national rate of 12.6%. The unemployment rate stands at 2.7%.
The median home value in Jefferson County is $408,400, 44.9% above the national median. Renters in Jefferson County pay a median gross rent of $1,138 per month. The homeownership rate is 83.0%, compared to the national rate of 64.4%.
In Jefferson County, 27.4% of residents aged 25 and older hold a bachelor's degree or higher, 18.8% below the national average of 33.7%. Health insurance coverage stands at 92.2% of the population. The average commute time for workers is 27.5 min.
Jefferson County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 85.7% of the population, followed by Hispanic or Latino (11.0%) and Two or More Races (2.6%).
All data for Jefferson County, Idaho comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.