Unified School District · ID
Jefferson County Joint School District 251
Jefferson County Joint School District 251 is a unified school district in Idaho with a community population of 28,220. The median household income is $87,661 and the median age is 32.7.
28,220
Population
83
People / sq mi
$87,661
Median Income
32.7
Median Age
Jefferson County Joint School District 251 covers 339 sq mi of land at 83.2 people per square mile.
Race & Ethnicity
| White | 88.1% |
| Black or African American | 0.0% |
| Asian | 50.9% |
| Hispanic or Latino (any race) | 0.0% |
Economy & Income
$87,661
Median Household Income
$30,842
Per Capita Income
7.8%
Poverty Rate
1.9%
Unemployment
Housing
$422,700
Median Home Value
$1,153
Median Rent
84.5%
Homeownership
Education Attainment
93.3%
High School+
28.8%
Bachelor's+
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State rankings
Frequently Asked Questions
Jefferson County Joint School District 251 serves a community with a population of 28,220 according to the latest Census ACS 5-Year estimates. This unified school district is located in Idaho.
The median household income in Jefferson County Joint School District 251 is $87,661, with a per capita income of $30,842. The poverty rate is 7.8%.
Jefferson County Joint School District 251 is 88.1% White, 0.0% Black or African American, 50.9% Asian, and 0.0% Hispanic or Latino, per Census ACS data.
In Jefferson County Joint School District 251, 93.3% of adults have a high school diploma or higher, and 28.8% hold a bachelor's degree or higher, per Census ACS estimates.
The median home value in Jefferson County Joint School District 251 is $422,700, with a median rent of $1,153. The homeownership rate is 84.5%.
More from Idaho
Data for Jefferson County Joint School District 251 from the American Community Survey 5-Year estimates. Land area from Census Gazetteer files. This is a unified school district (GEOID: 1601570).
Jefferson County Joint School District 251 skews on age — the median resident is 32.7, younger than the national median. Jefferson County Joint School District 251 is a school district in Idaho with a population of 28,220.
Households take in a median $87,661, comfortably above the US median of $78,538. Poverty runs at 7.8%, below the national 12.4%. The median home value is $422,700, with typical rent around $1,153.
Roughly 28.8% of adults have a bachelor’s, below the national 35.0%.
Source: U.S. Census Bureau ACS, 2026.