<Tr> <Td> 1940 </Td> <Td> 1,578 </Td> <Td> </Td> <Td> 55.6% </Td> </Tr> <Tr> <Td> 1950 </Td> <Td> 2,420 </Td> <Td> </Td> <Td> 53.4% </Td> </Tr> <Tr> <Td> 1960 </Td> <Td> 9,903 </Td> <Td> </Td> <Td> 309.2% </Td> </Tr> <Tr> <Td> 1970 </Td> <Td> 39,844 </Td> <Td> </Td> <Td> 302.3% </Td> </Tr>

Map of walnut creek ca and surrounding area