100 Largest ZIP Codes in the United States by Population in Napa County, California
Explore the 100 largest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Napa County, California.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 94558 | NAPA | CA | 65,084 |
| 2 | 94559 | NAPA | CA | 28,224 |
| 3 | 94503 | AMERICAN CANYON | CA | 21,791 |
| 4 | 94574 | SAINT HELENA | CA | 7,827 |
| 5 | 94515 | CALISTOGA | CA | 7,024 |
| 6 | 94599 | YOUNTVILLE | CA | 3,428 |
| 7 | 94508 | ANGWIN | CA | 3,406 |
| 8 | 94567 | POPE VALLEY | CA | 719 |
| 9 | 94576 | DEER PARK | CA | 171 |
| 10 | 94573 | RUTHERFORD | CA | 107 |