California · United States
ZIP codes by county — California
58 counties
| County | FIPS | Population | Median household income |
|---|---|---|---|
| Alameda County | 06001 | 1,651,949 | $126,240 |
| Alpine County | 06003 | 1,695 | $110,781 |
| Amador County | 06005 | 41,029 | $81,526 |
| Butte County | 06007 | 209,470 | $68,574 |
| Calaveras County | 06009 | 45,995 | $79,877 |
| Colusa County | 06011 | 21,895 | $75,149 |
| Contra Costa County | 06013 | 1,161,458 | $125,727 |
| Del Norte County | 06015 | 27,293 | $66,780 |
| El Dorado County | 06017 | 192,299 | $106,190 |
| Fresno County | 06019 | 1,012,152 | $71,434 |
| Glenn County | 06021 | 28,623 | $70,487 |
| Humboldt County | 06023 | 135,418 | $61,135 |
| Imperial County | 06025 | 179,319 | $56,393 |
| Inyo County | 06027 | 18,803 | $72,432 |
| Kern County | 06029 | 910,433 | $67,660 |
| Kings County | 06031 | 152,830 | $68,750 |
| Lake County | 06033 | 68,139 | $58,738 |
| Lassen County | 06035 | 31,177 | $64,395 |
| Los Angeles County | 06037 | 9,848,406 | $87,760 |
| Madera County | 06039 | 158,790 | $75,496 |
| Marin County | 06041 | 258,765 | $142,785 |
| Mariposa County | 06043 | 17,060 | $65,378 |
| Mendocino County | 06045 | 90,709 | $64,688 |
| Merced County | 06047 | 285,597 | $65,044 |
| Modoc County | 06049 | 8,646 | $56,648 |
| Mono County | 06051 | 13,169 | $86,953 |
| Monterey County | 06053 | 435,834 | $94,486 |
| Napa County | 06055 | 136,070 | $108,970 |
| Nevada County | 06057 | 102,452 | $84,905 |
| Orange County | 06059 | 3,164,063 | $113,702 |
| Placer County | 06061 | 412,435 | $114,678 |
| Plumas County | 06063 | 19,607 | $64,946 |
| Riverside County | 06065 | 2,449,909 | $89,672 |
| Sacramento County | 06067 | 1,584,047 | $88,724 |
| San Benito County | 06069 | 66,056 | $108,289 |
| San Bernardino County | 06071 | 2,187,816 | $82,184 |
| San Diego County | 06073 | 3,282,782 | $102,285 |
| San Francisco County | 06075 | 836,321 | $141,446 |
| San Joaquin County | 06077 | 787,416 | $88,531 |
| San Luis Obispo County | 06079 | 281,486 | $93,398 |
| San Mateo County | 06081 | 745,100 | $156,000 |
| Santa Barbara County | 06083 | 443,975 | $95,977 |
| Santa Clara County | 06085 | 1,903,297 | $159,674 |
| Santa Cruz County | 06087 | 266,021 | $109,266 |
| Shasta County | 06089 | 181,554 | $71,931 |
| Sierra County | 06091 | 2,731 | $60,000 |
| Siskiyou County | 06093 | 43,834 | $55,499 |
| Solano County | 06095 | 450,824 | $99,994 |
| Sonoma County | 06097 | 485,642 | $102,840 |
| Stanislaus County | 06099 | 552,250 | $79,661 |
| Sutter County | 06101 | 98,971 | $75,450 |
| Tehama County | 06103 | 65,520 | $61,834 |
| Trinity County | 06105 | 15,886 | $53,498 |
| Tulare County | 06107 | 475,774 | $69,489 |
| Tuolumne County | 06109 | 54,873 | $72,259 |
| Ventura County | 06111 | 838,259 | $107,327 |
| Yolo County | 06113 | 217,782 | $88,818 |
| Yuba County | 06115 | 83,079 | $73,313 |
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties. Sources: U.S. Census Bureau.