| † | County seat |
|---|
| Name | Type | County | Population (2010) | Land area | Incorporated | |
|---|---|---|---|---|---|---|
| sq mi | km2 | |||||
| Alameda | City | Alameda | 73,812 | 10.61 | 27.5 | April 19, 1854 |
| Albany | City | Alameda | 18,539 | 1.79 | 4.6 | September 22, 1908 |
| American Canyon | City | Napa | 19,454 | 4.84 | 12.5 | January 1, 1992 |
| Antioch | City | Contra Costa | 102,372 | 28.35 | 73.4 | February 6, 1872 |
| Atherton | Town | San Mateo | 6,914 | 5.02 | 13.0 | September 12, 1923 |
| Belmont | City | San Mateo | 25,835 | 4.62 | 12.0 | October 29, 1926 |
| Belvedere | City | Marin | 2,068 | 0.52 | 1.3 | December 24, 1896 |
| Benicia | City | Solano | 26,997 | 12.93 | 33.5 | March 27, 1850 |
| Berkeley | City | Alameda | 112,580 | 10.47 | 27.1 | April 4, 1878 |
| Brentwood | City | Contra Costa | 51,481 | 14.79 | 38.3 | January 21, 1948 |
| Brisbane | City | San Mateo | 4,282 | 3.10 | 8.0 | November 27, 1961 |
| Burlingame | City | San Mateo | 28,806 | 4.41 | 11.4 | June 6, 1908 |
| Calistoga | City | Napa | 5,155 | 2.60 | 6.7 | January 6, 1886 |
| Campbell | City | Santa Clara | 39,349 | 5.80 | 15.0 | March 28, 1952 |
| Clayton | City | Contra Costa | 10,897 | 3.84 | 9.9 | March 18, 1964 |
| Cloverdale | City | Sonoma | 8,618 | 2.65 | 6.9 | February 28, 1872 |
| Colma | Town | San Mateo | 1,792 | 1.91 | 4.9 | August 5, 1924 |
| Concord | City | Contra Costa | 122,067 | 30.55 | 79.1 | February 9, 1905 |
| Corte Madera | Town | Marin | 9,253 | 3.16 | 8.2 | June 10, 1916 |
| Cotati | City | Sonoma | 7,265 | 1.88 | 4.9 | July 16, 1963 |
| Cupertino | City | Santa Clara | 58,302 | 11.26 | 29.2 | October 10, 1955 |
| Daly City | City | San Mateo | 101,123 | 7.66 | 19.8 | March 22, 1911 |
| Danville | Town | Contra Costa | 42,039 | 18.03 | 46.7 | July 1, 1982 |
| Dixon | City | Solano | 18,351 | 7.00 | 18.1 | March 30, 1878 |
| Dublin | City | Alameda | 46,036 | 14.91 | 38.6 | February 1, 1982 |
| East Palo Alto | City | San Mateo | 28,155 | 2.51 | 6.5 | July 1, 1983 |
| El Cerrito | City | Contra Costa | 23,549 | 3.69 | 9.6 | August 23, 1917 |
| Emeryville | City | Alameda | 10,080 | 1.25 | 3.2 | December 8, 1896 |
| Fairfax | Town | Marin | 7,441 | 2.20 | 5.7 | March 2, 1931 |
| Fairfield† | City | Solano | 105,321 | 37.39 | 96.8 | December 12, 1903 |
| Foster City | City | San Mateo | 30,567 | 3.76 | 9.7 | April 27, 1971 |
| Fremont | City | Alameda | 214,089 | 77.46 | 200.6 | January 23, 1956 |
| Gilroy | City | Santa Clara | 48,821 | 16.15 | 41.8 | March 12, 1870 |
| Half Moon Bay | City | San Mateo | 11,324 | 6.42 | 16.6 | July 15, 1959 |
| Hayward | City | Alameda | 144,186 | 45.32 | 117.4 | March 11, 1876 |
| Healdsburg | City | Sonoma | 11,254 | 4.46 | 11.6 | February 20, 1867 |
| Hercules | City | Contra Costa | 24,060 | 6.21 | 16.1 | December 15, 1900 |
| Hillsborough | Town | San Mateo | 10,825 | 6.19 | 16.0 | May 5, 1910 |
| Lafayette | City | Contra Costa | 23,893 | 15.22 | 39.4 | July 29, 1968 |
| Larkspur | City | Marin | 11,926 | 3.03 | 7.8 | March 1, 1908 |
| Livermore | City | Alameda | 80,968 | 25.17 | 65.2 | April 1, 1876 |
| Los Altos | City | Santa Clara | 28,976 | 6.49 | 16.8 | December 1, 1952 |
| Los Altos Hills | Town | Santa Clara | 7,922 | 8.80 | 22.8 | January 27, 1956 |
| Los Gatos | Town | Santa Clara | 29,413 | 11.08 | 28.7 | August 10, 1887 |
| Martinez† | City | Contra Costa | 35,824 | 12.13 | 31.4 | April 1, 1876 |
| Menlo Park | City | San Mateo | 32,026 | 9.79 | 25.4 | November 23, 1927 |
| Mill Valley | City | Marin | 13,903 | 4.76 | 12.3 | September 1, 1900 |
| Millbrae | City | San Mateo | 21,532 | 3.25 | 8.4 | January 14, 1948 |
| Milpitas | City | Santa Clara | 66,790 | 13.59 | 35.2 | January 26, 1954 |
| Monte Sereno | City | Santa Clara | 3,341 | 1.62 | 4.2 | May 14, 1957 |
| Moraga | Town | Contra Costa | 16,016 | 9.43 | 24.4 | November 13, 1974 |
| Morgan Hill | City | Santa Clara | 37,882 | 12.88 | 33.4 | November 10, 1906 |
| Mountain View | City | Santa Clara | 74,066 | 12.00 | 31.1 | November 7, 1902 |
| Napa† | City | Napa | 76,915 | 17.84 | 46.2 | March 23, 1872 |
| Newark | City | Alameda | 42,573 | 13.87 | 35.9 | September 22, 1955 |
| Novato | City | Marin | 51,904 | 27.44 | 71.1 | January 20, 1960 |
| Oakland† | City | Alameda | 390,724 | 55.79 | 144.5 | May 4, 1852 |
| Oakley | City | Contra Costa | 35,432 | 15.85 | 41.1 | July 1, 1999 |
| Orinda | City | Contra Costa | 17,643 | 12.68 | 32.8 | July 1, 1985 |
| Pacifica | City | San Mateo | 37,234 | 12.66 | 32.8 | November 22, 1957 |
| Palo Alto | City | Santa Clara | 64,403 | 23.88 | 61.8 | April 23, 1894 |
| Petaluma | City | Sonoma | 57,941 | 14.38 | 37.2 | April 12, 1858 |
| Piedmont | City | Alameda | 10,667 | 1.68 | 4.4 | January 31, 1907 |
| Pinole | City | Contra Costa | 18,390 | 5.32 | 13.8 | June 25, 1903 |
| Pittsburg | City | Contra Costa | 63,264 | 17.22 | 44.6 | June 25, 1903 |
| Pleasant Hill | City | Contra Costa | 33,152 | 7.07 | 18.3 | November 14, 1961 |
| Pleasanton | City | Alameda | 70,285 | 24.11 | 62.4 | June 18, 1894 |
| Portola Valley | Town | San Mateo | 4,353 | 9.09 | 23.5 | July 14, 1964 |
| Redwood City† | City | San Mateo | 76,815 | 19.42 | 50.3 | May 11, 1867 |
| Richmond | City | Contra Costa | 103,701 | 30.07 | 77.9 | August 7, 1905 |
| Rio Vista | City | Solano | 7,360 | 6.69 | 17.3 | January 6, 1894 |
| Rohnert Park | City | Sonoma | 40,971 | 7.00 | 18.1 | August 28, 1962 |
| Ross | Town | Marin | 2,415 | 1.56 | 4.0 | August 21, 1908 |
| San Anselmo | Town | Marin | 12,336 | 2.68 | 6.9 | April 9, 1907 |
| San Bruno | City | San Mateo | 41,114 | 5.48 | 14.2 | December 23, 1914 |
| San Carlos | City | San Mateo | 28,406 | 5.54 | 14.3 | July 8, 1925 |
| San Francisco† | City and county | San Francisco | 805,235 | 46.87 | 121.4 | April 16, 1850 |
| San Jose† | City | Santa Clara | 945,942 | 176.53 | 457.2 | March 27, 1850 |
| San Leandro | City | Alameda | 84,950 | 13.34 | 34.6 | March 21, 1872 |
| San Mateo | City | San Mateo | 97,207 | 12.13 | 31.4 | September 4, 1894 |
| San Pablo | City | Contra Costa | 29,139 | 2.63 | 6.8 | April 27, 1948 |
| San Rafael† | City | Marin | 57,713 | 16.47 | 42.7 | February 18, 1874 |
| San Ramon | City | Contra Costa | 72,148 | 18.06 | 46.8 | July 1, 1983 |
| Santa Clara | City | Santa Clara | 116,468 | 18.41 | 47.7 | July 5, 1852 |
| Santa Rosa† | City | Sonoma | 167,815 | 41.29 | 106.9 | March 26, 1868 |
| Saratoga | City | Santa Clara | 29,926 | 12.38 | 32.1 | October 22, 1956 |
| Sausalito | City | Marin | 7,061 | 1.77 | 4.6 | September 4, 1893 |
| Sebastopol | City | Sonoma | 7,379 | 1.85 | 4.8 | June 13, 1902 |
| Sonoma | City | Sonoma | 10,648 | 2.74 | 7.1 | September 3, 1883 |
| South San Francisco | City | San Mateo | 63,632 | 9.14 | 23.7 | September 19, 1908 |
| St. Helena | City | Napa | 5,814 | 4.99 | 12.9 | March 24, 1876 |
| Suisun City | City | Solano | 28,111 | 4.11 | 10.6 | October 9, 1868 |
| Sunnyvale | City | Santa Clara | 140,081 | 21.99 | 57.0 | December 24, 1912 |
| Tiburon | Town | Marin | 8,962 | 4.43 | 11.5 | June 23, 1964 |
| Union City | City | Alameda | 69,516 | 19.47 | 50.4 | January 26, 1959 |
| Vacaville | City | Solano | 92,428 | 28.37 | 73.5 | August 9, 1892 |
| Vallejo | City | Solano | 115,942 | 30.67 | 79.4 | March 30, 1868 |
| Walnut Creek | City | Contra Costa | 64,173 | 19.76 | 51.2 | October 21, 1914 |
| Windsor | Town | Sonoma | 26,801 | 7.27 | 18.8 | July 1, 1992 |
| Woodside | Town | San Mateo | 5,287 | 11.73 | 30.4 | November 16, 1956 |
| Yountville | Town | Napa | 2,933 | 1.53 | 4.0 | February 4, 1965 |