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Hinsdale Township High School District 86, Illinois

Hinsdale Township High School District 86 is a secondary (high school) district in DuPage County and Cook County, Illinois, for grades 9–12. About 75,819 people live in it (2020–2024 estimate). It covers 28.3 sq mi (73.3 km²) of land.

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Hinsdale Township High School District 86 in Illinois
Community High School District 99Lyons Township High School District 204
Hinsdale Township High School District 86 and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
75,819 ± 1,390
Grades
9–12
Type
Secondary (high school) district
Counties
DuPage County95% of the district’s landCook County5% of the district’s land
Land area
28.3 sq mi (73.3 km²)
Median household income
$132,918 ± $5,317
Median home value
$568,700 ± $22,497
Water area
0.81 sq mi (2.09 km²)
State
Illinois
Census code (GEOID)
1719320
Coordinates (central point)
41.778821, -87.943664
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 Hinsdale Township High School District 86, largest first

  1. Hinsdale (village)17,175 people
  2. Burr Ridge (village)11,141 people
  3. Willowbrook (village)9,131 people
  4. Clarendon Hills (village)8,659 people
  5. Oak Brook (village)8,056 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 secondary (high school) districts, nearest first

  1. Lyons Township High School District 2043.3 mi east
  2. Community High School District 994.0 mi west
  3. Lemont Township High School District 2107.0 mi south
  4. Proviso Township High School District 2097.5 mi northeast
  5. DuPage High School District 888.9 mi north

These share a boundary with Hinsdale Township High School District 86. 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 Hinsdale Township High School District 86 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.