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Minidoka County Joint School District 331, Idaho

Minidoka County Joint School District 331 is a unified school district in 4 counties, Idaho, for grades Pre-K to 12. About 22,816 people live in it (2020–2024 estimate). It covers 953 sq mi (2,469 km²) of land.

Boise CityMeridian
Minidoka County Joint School District 331 in Idaho
Dietrich School District 314Jerome Joint School District 261Richfield School District 316Shoshone Joint School District 312Valley School District 262
Minidoka County Joint School District 331 and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
22,816 ± 235
Grades
Pre-K to 12
Type
Unified school district
Counties
Minidoka County79% of the district’s landLincoln County8% of the district’s landCassia County7% of the district’s landJerome County6% of the district’s land
Land area
953 sq mi (2,469 km²)
Median household income
$70,616 ± $7,144
Median home value
$263,600 ± $17,613
Water area
13.6 sq mi (35.1 km²)
State
Idaho
Census code (GEOID)
1602190
Coordinates (central point)
42.825985, -113.663100
Check a point in the school district finder

These coordinates mark a central point for the district, not a school or an address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.

Towns, townships and communities in Minidoka County Joint School District 331, largest first

  1. Rupert (city)6,190 people
  2. Heyburn (city)3,693 people
  3. Paul (city)1,586 people
  4. Minidoka (city)179 people
  5. Acequia (city)153 people

A town, township, city or borough is listed when at least half its land is in the district; a community, when its central point is. Near a district line, an address can belong to the district next door.

Bordering unified school districts, nearest first

  1. Richfield School District 31625 mi northwest
  2. Dietrich School District 31425 mi west
  3. Valley School District 26228 mi southwest
  4. Shoshone Joint School District 31237 mi west
  5. Cassia County Joint School District 15138 mi south
  6. Jerome Joint School District 26138 mi west
  7. Blaine County School District 6142 mi north

These share a boundary with Minidoka County Joint School District 331. Distances are straight lines between central points.

Before using this answer for enrollment

A district boundary doesn’t decide which school a student attends; the district’s attendance zones and rules do. Confirm the full address and grade with Minidoka County Joint School District 331 before you rely on it.

See its schools and enrollment on NCES ↗

Find the school district where you are now or find your town or township.