<Tr> <Th> (hide) Racial composition </Th> <Th> 1990 </Th> <Th> 2000 </Th> <Th> </Th> </Tr> <Tr> <Td> White </Td> <Td> 96.6% </Td> <Td> 93.9% </Td> <Td> 91.3% </Td> </Tr> <Tr> <Td> Black or African American </Td> <Td> 1.7% </Td> <Td> 2.1% </Td> <Td> 2.9% </Td> </Tr> <Tr> <Td> American Indian and Alaska Native </Td> <Td> 0.3% </Td> <Td> 0.3% </Td> <Td> 0.4% </Td> </Tr>

How far is des moines from waterloo iowa