<Tr> <Td_colspan="14"> Source #1: NOAA (sun 1961--1974) </Td> </Tr> <Tr> <Td_colspan="14"> Source #2: Met Office for humidity </Td> </Tr> <Table> <Tr> <Th_colspan="3"> Historical population </Th> </Tr> <Tr> <Th> Year </Th> <Th> Pop . </Th> <Th> ±% </Th> </Tr> <Tr> <Th> 1848 </Th> <Td> 1,000 </Td> <Td>--</Td> </Tr> <Tr> <Th> 1849 </Th> <Td> 25,000 </Td> <Td> + 2400.0% </Td> </Tr> <Tr> <Th> 1852 </Th> <Td> 34,776 </Td> <Td> + 39.1% </Td> </Tr> <Tr> <Th> 1860 </Th> <Td> 56,802 </Td> <Td> + 63.3% </Td> </Tr> <Tr> <Th> 1870 </Th> <Td> 149,473 </Td> <Td> + 163.1% </Td> </Tr> <Tr> <Th> 1880 </Th> <Td> 233,959 </Td> <Td> + 56.5% </Td> </Tr> <Tr> <Th> 1890 </Th> <Td> 298,997 </Td> <Td> + 27.8% </Td> </Tr> <Tr> <Th> 1900 </Th> <Td> 342,782 </Td> <Td> + 14.6% </Td> </Tr> <Tr> <Th> 1910 </Th> <Td> 416,912 </Td> <Td> + 21.6% </Td> </Tr> <Tr> <Th> 1920 </Th> <Td> 506,676 </Td> <Td> + 21.5% </Td> </Tr> <Tr> <Th> 1930 </Th> <Td> 634,394 </Td> <Td> + 25.2% </Td> </Tr> <Tr> <Th> 1940 </Th> <Td> 634,536 </Td> <Td> + 0.0% </Td> </Tr> <Tr> <Th> 1950 </Th> <Td> 775,357 </Td> <Td> + 22.2% </Td> </Tr> <Tr> <Th> 1960 </Th> <Td> 740,316 </Td> <Td> − 4.5% </Td> </Tr> <Tr> <Th> 1970 </Th> <Td> 715,674 </Td> <Td> − 3.3% </Td> </Tr> <Tr> <Th> 1980 </Th> <Td> 678,974 </Td> <Td> − 5.1% </Td> </Tr> <Tr> <Th> 1990 </Th> <Td> 723,959 </Td> <Td> + 6.6% </Td> </Tr> <Tr> <Th> 2000 </Th> <Td> 776,733 </Td> <Td> + 7.3% </Td> </Tr> <Tr> <Th> </Th> <Td> 805,235 </Td> <Td> + 3.7% </Td> </Tr> <Tr> <Th> 2017 </Th> <Td> 884,363 </Td> <Td> + 9.8% </Td> </Tr> <Tr> <Td_colspan="3"> Sources: See also: Population Graph Source: U.S. Decennial Census </Td> </Tr> </Table> <Tr> <Th_colspan="3"> Historical population </Th> </Tr>

What is the population of san francisco 2018
find me the text answering this question