Jefferson County vs Jerome County
A side-by-side comparison of Jefferson County and Jerome County: population, income, housing, and more.
Jefferson County and Jerome County are counties in Idaho. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
Jefferson County has the higher population (32,234 vs 24,788 in Jerome County). Jefferson County has the higher median household income ($82,952 vs $69,338 in Jerome County). Jefferson County has the higher median home value ($335,000 vs $254,000 in Jerome County).
Population, income & housing
| Jefferson County | Jerome County | |
|---|---|---|
| Population | 32,234 | 24,788 |
| Median age | 32.3 yrs | 33.6 yrs |
| Median household income | $82,952 | $69,338 |
| Median home value | $335,000 | $254,000 |
| Median gross rent | $1,098 | $862 |
| Housing units | 10,499 | 8,725 |
| Homeownership rate | 82.4% | 75.5% |
| Bachelor's degree or higher | 27.2% | 13.4% |
| Unemployment rate | 2.5% | 3.8% |
Trends (ACS 5-year, 2019–2023)
| Jefferson County | Jerome County | |
|---|---|---|
| Population | 28,534 → 32,234 (+13.0%) | 23,730 → 24,788 (+4.5%) |
| Median household income | $63,048 → $82,952 (+31.6%) | $52,921 → $69,338 (+31.0%) |
| Median home value | $203,700 → $335,000 (+64.5%) | $164,600 → $254,000 (+54.3%) |
| Median gross rent | $796 → $1,098 (+37.9%) | $772 → $862 (+11.7%) |
Jefferson County
28,53432,234
$63,048$82,952
$203,700$335,000
$796$1,098
Jerome County
23,73024,788
$52,921$69,338
$164,600$254,000
$772$862
Age & race/ethnicity
Age distribution (share)
| Jefferson County | Jerome County | |
|---|---|---|
| Under 5 | 7.4% | 7.5% |
| 5 to 17 | 25.4% | 22.5% |
| 18 to 24 | 9.0% | 8.6% |
| 25 to 34 | 10.9% | 12.8% |
| 35 to 44 | 14.3% | 13.2% |
| 45 to 54 | 10.7% | 10.7% |
| 55 to 64 | 10.6% | 11.5% |
| 65 to 74 | 7.5% | 8.5% |
| 75 and over | 4.1% | 4.8% |
Race & ethnicity (share)
| Jefferson County | Jerome County | |
|---|---|---|
| White (non-Hispanic) | 86.1% | 57.5% |
| Black or African American | 0.1% | 0.1% |
| American Indian & Alaska Native | 0.6% | 0.1% |
| Asian | 0.1% | 0.1% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.1% |
| Some other race | 0.2% | 0.2% |
| Two or more races | 2.2% | 3.4% |
| Hispanic or Latino | 10.8% | 38.5% |
Educational attainment (age 25+)
Share of adults 25+
| Jefferson County | Jerome County | |
|---|---|---|
| No high school diploma | 6.7% | 26.6% |
| High school graduate | 26.7% | 27.2% |
| Some college or associate's | 39.4% | 32.9% |
| Bachelor's degree | 19.3% | 9.0% |
| Graduate or professional degree | 7.8% | 4.3% |
Commute to work
How workers get to work (share)
| Jefferson County | Jerome County | |
|---|---|---|
| Drove alone | 78.6% | 83.5% |
| Carpooled | 9.5% | 9.5% |
| Public transit | 2.4% | 0.2% |
| Walked | 1.5% | 0.7% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 7.3% | 4.9% |
| Other means | 0.6% | 1.2% |
Housing
Units in structure (share)
| Jefferson County | Jerome County | |
|---|---|---|
| 1-unit, detached | 84.9% | 81.9% |
| 1-unit, attached | 2.1% | 2.4% |
| 2 to 4 units | 3.8% | 4.2% |
| 5 to 19 units | 1.4% | 0.9% |
| 20 or more units | 0.4% | 0.7% |
| Mobile home & other | 7.3% | 10.0% |
Poverty & households
| Jefferson County | Jerome County | |
|---|---|---|
| Poverty rate | 9.2% | 13.9% |
| Average household size | 3.24 | 3.00 |
| Mean commute (minutes) | 25 | 21 |
| Median year structure built | 1991 | 1983 |
Full profiles
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