Water area: 56 square miles (145 km2)
Total area: 1,451 square miles (3,758 km2)
Rank in California: 14th
Size comparison: San Joaquin County is about the same size as the state of Rhode Island.
Population: 772,555 (2020 census)
Rank in California: 10th
Population density: 562 people per square mile (217 people per km2)
