Jefferson County, Montana
MT · FIPS 30043 · ACS 2024 5-Year Estimates
| Metric | Value | vs National | Rank | Percentile |
|---|---|---|---|---|
| Total Population | 12,774 | — | #2,300 / 3,222 | |
| Median Household Income | $95,490 | +27.1% | #217 / 3,222 | |
| Median Age | 47.1 years | +21.1% | #458 / 3,222 | |
| Median Home Value | $446,900 | +58.5% | #202 / 3,222 | |
| Median Gross Rent | $925 | -20.5% | #1,306 / 3,222 | |
| Poverty Rate | 5.7% | -54.6% | #94 / 3,222 | |
Demographics
Jefferson County has a population of 12,774, making it the #2,300 most populous county in the US. The median age is 47.1 years, which is 21.1% above 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 $95,490, ranking #217 out of 3,222 counties — 27.1% above the national median. The poverty rate is 5.7% and unemployment stands at 4.2%.
Median Household Income Trend
Rankings →Poverty Rate Trend
Rankings →Housing
The median home value in Jefferson County is $446,900 (+58.5% vs national). Renters pay a median of $925/mo and the homeownership rate is 84.2%.
Median Home Value Trend
Rankings →Health
94.2% of residents in Jefferson County have health insurance coverage, which is 2.7% above the national rate.
About Jefferson County, Montana
Jefferson County, Montana has a total population of 12,774, making it the 2,300th most populous county in the United States. The median age in Jefferson County is 47.1 years, which is 21.1% above the national median of 38.9 years.
The median household income in Jefferson County is $95,490, which ranks #217 of 3,222 counties nationwide. This is 27.1% above the national median of $75,149. The poverty rate is 5.7%, lower than the national rate of 12.6%. The unemployment rate stands at 4.2%.
The median home value in Jefferson County is $446,900, 58.5% above the national median. Renters in Jefferson County pay a median gross rent of $925 per month. The homeownership rate is 84.2%, compared to the national rate of 64.4%.
In Jefferson County, 32.2% of residents aged 25 and older hold a bachelor's degree or higher, 4.6% below the national average of 33.7%. Health insurance coverage stands at 94.2% of the population. The average commute time for workers is 26.4 min.
Jefferson County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 90.6% of the population, followed by Two or More Races (4.4%) and Hispanic or Latino (3.0%).
All data for Jefferson County, Montana 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.