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Jersey Community Unit School District 100, Illinois

Jersey Community Unit School District 100 is a unified school district in Jersey County and Greene County, Illinois, for grades Pre-K to 12. About 18,492 people live in it (2020–2024 estimate). It covers 329 sq mi (852 km²) of land.

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Jersey Community Unit School District 100 in Illinois
Brussels Community Unit School District 42Calhoun Community Unit School District 40Southwestern Community Unit School District 9
Jersey Community Unit School District 100 and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
18,492 ± 371
Grades
Pre-K to 12
Type
Unified school district
Counties
Jersey County93% of the district’s landGreene County7% of the district’s land
Land area
329 sq mi (852 km²)
Median household income
$77,261 ± $8,841
Median home value
$171,200 ± $15,105
Water area
7.74 sq mi (20.1 km²)
State
Illinois
Census code (GEOID)
1720430
Coordinates (central point)
39.079497, -90.382554
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 Jersey Community Unit School District 100, largest first

  1. Jersey Township9,924 people
  2. Jerseyville (city)7,445 people
  3. Elsah Township2,799 people
  4. Mississippi Township1,667 people
  5. Quarry Township1,062 people
  6. Otter Creek Township802 people
  7. Grafton (city)734 people
  8. Elsah (village)708 people
  9. Fidelity Township705 people
  10. English Township521 people
  11. Richwood Township413 people
  12. Kane (village)201 people
All 15
  1. Fieldon (village)200 people
  2. Rosedale Township142 people
  3. Otterville (town)126 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. Orchard Farm R-V School District, Missouri13 mi south
  2. Brussels Community Unit School District 4215 mi southwest
  3. Carrollton Community Unit School District 115 mi north
  4. Alton Community Unit School District 1115 mi southeast
  5. Southwestern Community Unit School District 915 mi east
  6. Calhoun Community Unit School District 4017 mi northwest
  7. Greenfield Community Unit School District 1021 mi northeast

These share a boundary with Jersey Community Unit School District 100. 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 Jersey Community Unit School District 100 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.