<Tr> <Th_colspan="10"> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> Largest cities or towns in Illinois Source? </Th> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <Tr> <Th> </Th> <Th> Rank </Th> <Th> Name </Th> <Th> County </Th> <Th> Pop . </Th> <Th> </Th> </Tr> <Tr> <Td> Aurora </Td> <Td> </Td> <Td> Chicago </Td> <Td> Cook </Td> <Td> 2,704,958 </Td> <Td> Joliet Rockford </Td> </Tr>

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