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Seneca Township High School District 160, Illinois

Seneca Township High School District 160 is a secondary (high school) district in Grundy County and LaSalle County, Illinois, for grades 9–12. About 7,207 people live in it (2020–2024 estimate). It covers 217 sq mi (563 km²) of land.

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Seneca Township High School District 160 in Illinois
Gardner-South Wilmington Township High School DistrictMorris Community High School District 101Ottawa Township High School District 140Streator Township High School District 40
Seneca Township High School District 160 and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
7,207 ± 602
Grades
9–12
Type
Secondary (high school) district
Counties
Grundy County63% of the district’s landLaSalle County37% of the district’s land
Land area
217 sq mi (563 km²)
Median household income
$94,779 ± $9,770
Median home value
$240,300 ± $15,520
Water area
4.63 sq mi (12 km²)
State
Illinois
Census code (GEOID)
1735850
Coordinates (central point)
41.259201, -88.552568
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 Seneca Township High School District 160, largest first

  1. Manlius Township6,100 people
  2. Seneca (village)2,450 people
  3. Mazon Township1,663 people
  4. Mazon (village)1,401 people
  5. Brookfield Township1,038 people
  6. Vienna Township600 people
  7. Highland Township285 people
  8. Verona (village)272 people
  9. Norman Township243 people
  10. Kinsman (village)84 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. Morris Community High School District 10110 mi northeast
  2. Gardner-South Wilmington Township High School District14 mi east
  3. Dwight Township High School District 23014 mi south
  4. Streator Township High School District 4014 mi southwest
  5. Ottawa Township High School District 14015 mi west
  6. Newark Community High School District 1818 mi north

These share a boundary with Seneca Township High School District 160. 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 Seneca Township High School District 160 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.