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River Delta Joint Unified School District, California

River Delta Joint Unified School District is a unified school district in Solano County, Sacramento County, and Yolo County, California, for grades K–12. About 19,031 people live in it (2020–2024 estimate). It covers 339 sq mi (878 km²) of land.

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River Delta Joint Unified School District in California
Davis Joint Unified School DistrictDixon Unified School DistrictElk Grove Unified School DistrictFairfield-Suisun Unified School DistrictLodi Unified School District
River Delta Joint Unified School District and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
19,031 ± 1,299
Grades
K–12
Type
Unified school district
Counties
Solano County45% of the district’s landSacramento County39% of the district’s landYolo County16% of the district’s land
Land area
339 sq mi (878 km²)
Median household income
$84,023 ± $10,247
Median home value
$498,900 ± $30,096
Water area
28.8 sq mi (74.6 km²)
State
California
Census code (GEOID)
0633110
Coordinates (central point)
38.215053, -121.675798
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 River Delta Joint Unified School District, largest first

  1. Rio Vista (city)10,102 people
  2. Walnut Grove (CDP)926 people
  3. Isleton (city)522 people
  4. Courtland (CDP)496 people
  5. Hood (CDP)317 people
  6. Clarksburg (CDP)288 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. Dixon Unified School District14 mi northwest
  2. Antioch Unified School District18 mi southwest
  3. Pittsburg Unified School District19 mi southwest
  4. Fairfield-Suisun Unified School District19 mi west
  5. Davis Joint Unified School District19 mi north
  6. Lodi Unified School District21 mi east
  7. Washington Unified School District (Yolo County)24 mi north
  8. Sacramento City Unified School District25 mi northeast
  9. Elk Grove Unified School District27 mi northeast

These share a boundary with River Delta Joint Unified School District. 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 River Delta Joint Unified School District 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.