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Illini Central Community Unit School District 189, Illinois

Illini Central Community Unit School District 189 is a unified school district in Mason County, Tazewell County, and Logan County, Illinois, for grades Pre-K to 12. About 4,543 people live in it (2020–2024 estimate). It covers 270 sq mi (699 km²) of land.

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Illini Central Community Unit School District 189 in Illinois
Illini Central Community Unit School District 189 and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
4,543 ± 351
Grades
Pre-K to 12
Type
Unified school district
Counties
Mason County89% of the district’s landTazewell County6% of the district’s landLogan County5% of the district’s land
Land area
270 sq mi (699 km²)
Median household income
$67,396 ± $9,370
Median home value
$100,600 ± $8,848
Water area
0.54 sq mi (1.41 km²)
State
Illinois
Census code (GEOID)
1700113
Coordinates (central point)
40.231785, -89.757969
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 Illini Central Community Unit School District 189, largest first

  1. Mason City Township2,372 people
  2. Mason City (city)2,159 people
  3. San Jose (village)557 people
  4. Sherman Township537 people
  5. Allens Grove Township395 people
  6. Pennsylvania Township367 people
  7. Easton (village)285 people
  8. Salt Creek Township201 people
  9. Crane Creek Township84 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. Greenview Community Unit School District 20011 mi south
  2. Midwest Central Community Unit School District 19113 mi north
  3. Delavan Community Unit School District 70315 mi northeast
  4. Hartsburg-Emden Community Unit School District 2116 mi east
  5. Porta Community Unit School District 20216 mi southwest
  6. Havana Community Unit School District 12619 mi west

These share a boundary with Illini Central Community Unit School District 189. 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 Illini Central Community Unit School District 189 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.