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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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).
this entity is one of the data points covered by this site’s U.S. population demographics dataset. The detail above comes directly from the U.S. Census Bureau ACS and decennial files; the context that follows situates the headline numbers against the broader distribution across U.S. states, metros, cities, and ZIPs.
Every number on this page links back to the U.S. Census Bureau ACS and decennial files; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: U.S. Census Bureau ACS, 2026.