58 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 95035 | Milpitas | 78,810 |
| 95123 | San Jose | 69,677 |
| 95020 | Gilroy | 67,181 |
| 95051 | Santa Clara | 62,054 |
| 95014 | Cupertino | 60,932 |
| 95127 | San Jose | 58,825 |
| 94087 | Sunnyvale | 57,767 |
| 95112 | San Jose | 57,373 |
| 95111 | San Jose | 57,202 |
| 95125 | San Jose | 54,419 |
| 95124 | San Jose | 52,096 |
| 95037 | Morgan Hill | 51,943 |
| 95122 | San Jose | 50,775 |
| 94086 | Sunnyvale | 49,746 |
| 95008 | Campbell | 48,333 |
| 95136 | San Jose | 48,056 |
| 95116 | San Jose | 48,042 |
| 94303 | Palo Alto | 46,879 |
| 95148 | San Jose | 44,995 |
| 95129 | San Jose | 41,321 |
| 95132 | San Jose | 40,334 |
| 95050 | Santa Clara | 39,834 |
| 95126 | San Jose | 38,327 |
| 95120 | San Jose | 36,967 |
| 95121 | San Jose | 36,463 |
| 94040 | Mountain View | 35,632 |
| 94043 | Mountain View | 33,176 |
| 95128 | San Jose | 33,165 |
| 95118 | San Jose | 32,015 |
| 95070 | Saratoga | 31,417 |
| 95131 | San Jose | 31,179 |
| 95134 | San Jose | 30,471 |
| 95133 | San Jose | 29,710 |
| 95032 | Los Gatos | 27,313 |
| 94306 | Palo Alto | 27,183 |
| 95117 | San Jose | 26,953 |
| 95054 | Santa Clara | 25,704 |
| 94085 | Sunnyvale | 24,024 |
| 94024 | Los Altos | 23,051 |
| 94089 | Sunnyvale | 22,699 |
| 95135 | San Jose | 20,129 |
| 94022 | Los Altos | 20,027 |
| 95110 | San Jose | 19,963 |
| 95138 | San Jose | 18,960 |
| 94305 | Stanford | 18,509 |
| 94301 | Palo Alto | 17,508 |
| 94041 | Mountain View | 16,050 |
| 95130 | San Jose | 13,511 |
| 95030 | Los Gatos | 13,151 |
| 95119 | San Jose | 10,841 |
| 95139 | San Jose | 7,035 |
| 95046 | San Martin | 6,324 |
| 94304 | Palo Alto | 5,000 |
| 95053 | Santa Clara | 3,049 |
| 95113 | San Jose | 2,640 |
| 95002 | Alviso | 1,542 |
| 95013 | Coyote | 57 |
| 95140 | Mount Hamilton | 42 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 58 ZCTAs in Santa Clara County, California (US Census).