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Coal City Community Unit School District 1, Illinois

Coal City Community Unit School District 1 is a unified school district in Grundy County, Illinois, for grades Pre-K to 12. About 10,930 people live in it (2020–2024 estimate). It covers 49.4 sq mi (128 km²) of land.

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Coal City Community Unit School District 1 in Illinois
Wilmington Community Unit School District 209U
Coal City Community Unit School District 1 and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
10,930 ± 408
Grades
Pre-K to 12
Type
Unified school district
County
Grundy County
Land area
49.4 sq mi (128 km²)
Median household income
$82,500 ± $9,591
Median home value
$242,300 ± $16,906
Water area
4.35 sq mi (11.3 km²)
State
Illinois
Census code (GEOID)
1710530
Coordinates (central point)
41.310640, -88.312145
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 Coal City Community Unit School District 1, largest first

  1. Braceville Township6,529 people
  2. Coal City (village)5,317 people
  3. Felix Township4,469 people
  4. Diamond (village)2,984 people
  5. Goose Lake Township1,170 people
  6. Carbon Hill (village)441 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. Reed Custer Community Unit School District 255U9.5 mi southeast
  2. Wilmington Community Unit School District 209U10 mi east

These share a boundary with Coal City Community Unit School District 1. 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 Coal City Community Unit School District 1 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.