<Tr> <Th> Authority </Th> <Th> Type </Th> <Th> Population * </Th> <Th> Urban pop. * </Th> </Tr> <Tr> <Td> Kakamega </Td> <Td> Municipality </Td> <Td> 73,607 </Td> <Td> 57,128 </Td> </Tr> <Tr> <Td> Malava </Td> <Td> Town </Td> <Td> 46,614 </Td> <Td> 1,704 </Td> </Tr> <Tr> <Td> Kakamega County </Td> <Td> County </Td> <Td> 483,201 </Td> <Td> 0 </Td> </Tr>

How many sub counties are there in kakamega county