<Tr> <Td> Samoa </Td> <Td> Humboldt </Td> <Td> 305 </Td> <Td> 364.4 </Td> <Td> $23,614 </Td> <Td> $52,778 </Td> <Td> $49,464 </Td> </Tr> <Tr> <Td> San Andreas </Td> <Td> Calaveras </Td> <Td> 2,829 </Td> <Td> 337.7 </Td> <Td> $22,518 </Td> <Td> $40,613 </Td> <Td> $50,500 </Td> </Tr> <Tr> <Td> San Anselmo </Td> <Td> Marin </Td> <Td> 12,527 </Td> <Td> 4,679.5 </Td> <Td> $56,821 </Td> <Td> $100,681 </Td> <Td> $122,857 </Td> </Tr> <Tr> <Td> San Antonio Heights </Td> <Td> San Bernardino </Td> <Td> 3,097 </Td> <Td> 1,260.0 </Td> <Td> $57,021 </Td> <Td> $95,250 </Td> <Td> $109,766 </Td> </Tr>

What is the average household income in southern california