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Sandwich Community Unit School District 430, Illinois

Sandwich Community Unit School District 430 is a unified school district in DeKalb County, LaSalle County, and Kendall County, Illinois, for grades Pre-K to 12. About 13,374 people live in it (2020–2024 estimate). It covers 51.2 sq mi (133 km²) of land.

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Sandwich Community Unit School District 430 in Illinois
Plano Community Unit School District 88Somonauk Community Unit School District 432
Sandwich Community Unit School District 430 and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
13,374 ± 760
Grades
Pre-K to 12
Type
Unified school district
Counties
DeKalb County40% of the district’s landLaSalle County35% of the district’s landKendall County26% of the district’s land
Land area
51.2 sq mi (133 km²)
Median household income
$85,347 ± $4,121
Median home value
$271,400 ± $15,440
Water area
0.83 sq mi (2.16 km²)
State
Illinois
Census code (GEOID)
1735370
Coordinates (central point)
41.639536, -88.623327
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 Sandwich Community Unit School District 430, largest first

  1. Sandwich Township7,529 people
  2. Northville Township7,316 people
  3. Sandwich (city)7,219 people
  4. Lake Holiday (CDP)5,641 people
  5. Millington (village)729 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. Somonauk Community Unit School District 4324.3 mi west
  2. Plano Community Unit School District 885.5 mi northeast
  3. Hinckley-Big Rock Community Unit School District 42910 mi north
  4. Serena CUSD 212 mi southwest
  5. Indian Creek Community Unit District 42516 mi northwest

These share a boundary with Sandwich Community Unit School District 430. 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 Sandwich Community Unit School District 430 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.