Acalanes Union High School District, California
Acalanes Union High School District is a secondary (high school) district in Contra Costa County, California, for grades 9–12. About 118,735 people live in it (2020–2024 estimate). It covers 80.4 sq mi (208 km²) of land.
- Population, 2020–2024 estimate
- 118,735 ± 2,119
- Grades
- 9–12
- Type
- Secondary (high school) district
- County
- Contra Costa County
- Land area
- 80.4 sq mi (208 km²)
- Median household income
- $160,960 ± $4,028
- Median home value
- $1,528,000 ± $30,433
- Water area
- 1.59 sq mi (4.12 km²)
- State
- California
- Census code (GEOID)
- 0601650
- Coordinates (central point)
- 37.879801, -122.136482
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 Acalanes Union High School District, largest first
- Walnut Creek (city)70,088 people
- Lafayette (city)25,285 people
- Orinda (city)19,514 people
- Moraga (town)16,769 people
- Contra Costa Centre (CDP)6,893 people
- Saranap (CDP)5,662 people
- San Miguel (CDP)3,967 people
- Reliez Valley (CDP)3,173 people
- Castle Hill (CDP)1,026 people
- Acalanes Ridge (CDP)1,006 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.
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 Acalanes Union High School District before you rely on it.
See its schools and enrollment on NCES ↗
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