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Illinois Valley Central Unit School District 321, Illinois

Illinois Valley Central Unit School District 321 is a unified school district in Peoria County, Illinois, for grades Pre-K to 12. About 12,082 people live in it (2020–2024 estimate). It covers 57.1 sq mi (148 km²) of land.

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Illinois Valley Central Unit School District 321 in Illinois
Dunlap Community Unit School District 323Lowpoint-Washburn Community Unit School District 21
Illinois Valley Central Unit School District 321 and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
12,082 ± 575
Grades
Pre-K to 12
Type
Unified school district
County
Peoria County
Land area
57.1 sq mi (148 km²)
Median household income
$82,255 ± $5,866
Median home value
$164,700 ± $9,297
Water area
5.03 sq mi (13 km²)
State
Illinois
Census code (GEOID)
1719970
Coordinates (central point)
40.900388, -89.549026
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 Illinois Valley Central Unit School District 321, largest first

  1. Medina Township13,918 people
  2. Chillicothe Township8,157 people
  3. Chillicothe (city)5,900 people
  4. Rome (CDP)1,947 people
  5. Hallock Township1,455 people
  6. Mossville (CDP)51 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. Dunlap Community Unit School District 3237.5 mi southwest
  2. Midland Community Unit School District 711 mi northeast
  3. Lowpoint-Washburn Community Unit School District 2112 mi east
  4. Princeville Community Unit School District 32612 mi west
  5. Peoria School District 15013 mi south

These share a boundary with Illinois Valley Central Unit School District 321. 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 Illinois Valley Central Unit School District 321 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.