Aviston School District 21, Illinois
Aviston School District 21 is an elementary school district in Clinton County and Madison County, Illinois, for grades Pre-K to 8. About 3,171 people live in it (2020–2024 estimate). It covers 20.2 sq mi (52.4 km²) of land.
- Population, 2020–2024 estimate
- 3,171 ± 243
- Grades
- Pre-K to 8
- Type
- Elementary school district
- Counties
- Clinton County94% of the district’s landMadison County6% of the district’s land
- Land area
- 20.2 sq mi (52.4 km²)
- Median household income
- $117,250 ± $8,802
- Median home value
- $264,000 ± $28,439
- Water area
- 0.01 sq mi (0.04 km²)
- State
- Illinois
- Census code (GEOID)
- 1704740
- Coordinates (central point)
- 38.614071, -89.598235
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 Aviston School District 21, largest first
- Aviston (village)2,387 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 elementary school districts, nearest first
- Albers School District 634.3 mi south
- St. Rose School District 14-156.1 mi northeast
- Breese School District 126.8 mi east
- Germantown School District 607.4 mi southeast
These share a boundary with Aviston School District 21. 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 Aviston School District 21 before you rely on it.
See its schools and enrollment on NCES ↗
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