San Diego City and County Population from U.S. Census Bureau

Year San Diego City San Diego County   California
1850 650 798§ 92,597
1860 731 4,324* 379,994
1870 2,300 4,951* 560,247
1880 2,637 8,618* 864,694
1887 30,000¤ [the great boom]  
1890 16,159 34,987* 1,213,398
1900 17,700 35,090* 1,485,053
1910 39,578 61,665 2,377,549
1920 74,361 112,248 3,426,861
1930 147,995 209,659 5,677,251
1940 203,341 289,348 6,907,387
1950 333,865 556,808 10,586,223
1960 573,224 1,033,011 15,717,204
1970 696,769 1,357,854 19,971,069
1980 875,538 1,861,846 23,667,764
1990 1,110,549 2,498,016 29,760,021
2000 1,223,400 2,813,833 33,871,648