100 Smallest ZIP Codes in the United States by Population in Orange County, California
Explore the 100 smallest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Orange County, California.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 90743 | SURFSIDE | CA | 434 |
| 2 | 90742 | SUNSET BEACH | CA | 469 |
| 3 | 92678 | TRABUCO CANYON | CA | 630 |
| 4 | 92676 | SILVERADO | CA | 1,952 |
| 5 | 92662 | NEWPORT BEACH | CA | 2,346 |
| 6 | 92661 | NEWPORT BEACH | CA | 3,300 |
| 7 | 92823 | BREA | CA | 5,495 |
| 8 | 92861 | VILLA PARK | CA | 5,814 |
| 9 | 92624 | CAPISTRANO BEACH | CA | 6,881 |
| 10 | 92655 | MIDWAY CITY | CA | 8,040 |
| 11 | 92657 | NEWPORT COAST | CA | 9,169 |
| 12 | 92625 | CORONA DEL MAR | CA | 12,546 |
| 13 | 92610 | FOOTHILL RANCH | CA | 13,107 |
| 14 | 92866 | ORANGE | CA | 14,873 |
| 15 | 90623 | LA PALMA | CA | 15,419 |
| 16 | 92845 | GARDEN GROVE | CA | 15,530 |
| 17 | 92637 | LAGUNA WOODS | CA | 17,452 |
| 18 | 92603 | IRVINE | CA | 19,329 |
| 19 | 92887 | YORBA LINDA | CA | 20,353 |
| 20 | 92617 | IRVINE | CA | 20,432 |
| 21 | 92808 | ANAHEIM | CA | 21,080 |
| 22 | 92865 | ORANGE | CA | 21,140 |
| 23 | 92663 | NEWPORT BEACH | CA | 21,886 |
| 24 | 92844 | GARDEN GROVE | CA | 22,622 |
| 25 | 90720 | LOS ALAMITOS | CA | 23,673 |
| 26 | 92651 | LAGUNA BEACH | CA | 23,981 |
| 27 | 92606 | IRVINE | CA | 24,431 |
| 28 | 90740 | SEAL BEACH | CA | 24,604 |
| 29 | 92832 | FULLERTON | CA | 26,040 |
| 30 | 92629 | DANA POINT | CA | 26,144 |
| 31 | 92602 | IRVINE | CA | 26,663 |
| 32 | 92835 | FULLERTON | CA | 26,687 |
| 33 | 92868 | ORANGE | CA | 27,280 |
| 34 | 92604 | IRVINE | CA | 29,080 |
| 35 | 92614 | IRVINE | CA | 29,544 |
| 36 | 92782 | TUSTIN | CA | 29,838 |
| 37 | 92653 | LAGUNA HILLS | CA | 29,923 |
| 38 | 92673 | SAN CLEMENTE | CA | 30,633 |
| 39 | 92679 | TRABUCO CANYON | CA | 30,971 |
| 40 | 90680 | STANTON | CA | 31,102 |
| 41 | 92841 | GARDEN GROVE | CA | 34,188 |
| 42 | 92612 | IRVINE | CA | 34,868 |
| 43 | 92694 | LADERA RANCH | CA | 35,074 |
| 44 | 92675 | SAN JUAN CAPISTRANO | CA | 35,099 |
| 45 | 92649 | HUNTINGTON BEACH | CA | 35,206 |
| 46 | 92660 | NEWPORT BEACH | CA | 35,926 |
| 47 | 92807 | ANAHEIM | CA | 36,117 |
| 48 | 90621 | BUENA PARK | CA | 36,151 |
| 49 | 92869 | ORANGE | CA | 36,429 |
| 50 | 92831 | FULLERTON | CA | 36,470 |
| 51 | 92706 | SANTA ANA | CA | 36,548 |
| 52 | 92672 | SAN CLEMENTE | CA | 38,020 |
| 53 | 92806 | ANAHEIM | CA | 40,945 |
| 54 | 92821 | BREA | CA | 41,604 |
| 55 | 92867 | ORANGE | CA | 44,216 |
| 56 | 92802 | ANAHEIM | CA | 44,316 |
| 57 | 92688 | RANCHO SANTA MARGARITA | CA | 44,444 |
| 58 | 92648 | HUNTINGTON BEACH | CA | 45,667 |
| 59 | 92692 | MISSION VIEJO | CA | 45,977 |
| 60 | 92705 | SANTA ANA | CA | 46,854 |
| 61 | 90620 | BUENA PARK | CA | 47,042 |
| 62 | 92843 | GARDEN GROVE | CA | 47,549 |
| 63 | 92691 | MISSION VIEJO | CA | 48,073 |
| 64 | 92701 | SANTA ANA | CA | 49,462 |
| 65 | 90630 | CYPRESS | CA | 50,170 |
| 66 | 92626 | COSTA MESA | CA | 50,198 |
| 67 | 92886 | YORBA LINDA | CA | 50,437 |
| 68 | 92833 | FULLERTON | CA | 52,799 |
| 69 | 92656 | ALISO VIEJO | CA | 53,143 |
| 70 | 92870 | PLACENTIA | CA | 53,150 |
| 71 | 92840 | GARDEN GROVE | CA | 53,826 |
| 72 | 92780 | TUSTIN | CA | 54,945 |
| 73 | 92646 | HUNTINGTON BEACH | CA | 56,033 |
| 74 | 92708 | FOUNTAIN VALLEY | CA | 56,754 |
| 75 | 92618 | IRVINE | CA | 59,386 |
| 76 | 92707 | SANTA ANA | CA | 59,712 |
| 77 | 92647 | HUNTINGTON BEACH | CA | 60,114 |
| 78 | 92620 | IRVINE | CA | 61,110 |
| 79 | 92703 | SANTA ANA | CA | 61,593 |
| 80 | 92627 | COSTA MESA | CA | 62,181 |
| 81 | 92801 | ANAHEIM | CA | 64,022 |
| 82 | 92677 | LAGUNA NIGUEL | CA | 64,259 |
| 83 | 92630 | LAKE FOREST | CA | 66,240 |
| 84 | 90631 | LA HABRA | CA | 69,064 |
| 85 | 92805 | ANAHEIM | CA | 73,310 |
| 86 | 92704 | SANTA ANA | CA | 80,767 |
| 87 | 92804 | ANAHEIM | CA | 84,700 |
| 88 | 92683 | WESTMINSTER | CA | 90,630 |