Riverdale School District 51J, Oregon
Riverdale School District 51J is a unified school district in Multnomah County and Clackamas County, Oregon, for grades K–12. About 3,730 people live in it (2020–2024 estimate). It covers 1.7 sq mi (4.41 km²) of land.
- Population, 2020–2024 estimate
- 3,730 ± 576
- Grades
- K–12
- Type
- Unified school district
- Counties
- Multnomah County98% of the district’s landClackamas County2% of the district’s land
- Land area
- 1.7 sq mi (4.41 km²)
- Median household income
- $250,000 or more
- Median home value
- $1,657,100 ± $368,924
- Water area
- 0.2 sq mi (0.51 km²)
- State
- Oregon
- Census code (GEOID)
- 4110560
- Coordinates (central point)
- 45.445500, -122.661392
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 Riverdale School District 51J, largest first
- Dunthorpe (CDP)1,875 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
- Lake Oswego School District 7J2.7 mi southwest
- North Clackamas School District 125.5 mi east
- Portland School District 1J8.1 mi north
These share a boundary with Riverdale School District 51J. 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 Riverdale School District 51J before you rely on it.
See its schools and enrollment on NCES ↗
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