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Triad Community Unit School District 2, Illinois

Triad Community Unit School District 2 is a unified school district in Madison County, Illinois, for grades Pre-K to 12. About 22,793 people live in it (2020–2024 estimate). It covers 121 sq mi (314 km²) of land.

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Triad Community Unit School District 2 in Illinois
Collinsville Community Unit School District 10Highland Community Unit School District 5
Triad Community Unit School District 2 and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
22,793 ± 482
Grades
Pre-K to 12
Type
Unified school district
County
Madison County
Land area
121 sq mi (314 km²)
Median household income
$119,117 ± $8,330
Median home value
$275,200 ± $12,331
Water area
1.1 sq mi (2.85 km²)
State
Illinois
Census code (GEOID)
1737350
Coordinates (central point)
38.736161, -89.814075
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 Triad Community Unit School District 2, largest first

  1. Jarvis Township15,951 people
  2. Troy (city)11,647 people
  3. Pin Oak Township4,528 people
  4. St. Jacob Township2,877 people
  5. Marine Township2,142 people
  6. St. Jacob (village)1,759 people
  7. Marine (village)1,049 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. Lebanon Community Unit School District 99.1 mi south
  2. Highland Community Unit School District 510.0 mi northeast
  3. Collinsville Community Unit School District 1011 mi west
  4. Edwardsville Community Unit School District 711 mi northwest

These share a boundary with Triad Community Unit School District 2. 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 Triad Community Unit School District 2 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.