Boulder
Colorado
19
Total ZIPs
305,480
Total Population
ZIP Codes in Boulder
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 80504 | Longmont | 46,876 | 183 |
| 80501 | Longmont | 39,521 | 1,233 |
| 80503 | Longmont | 31,064 | 132 |
| 80027 | Louisville | 31,034 | 616 |
| 80302 | Boulder | 26,941 | 126 |
| 80026 | Lafayette | 26,378 | 458 |
| 80304 | Boulder | 25,623 | 1,085 |
| 80301 | Boulder | 22,555 | 300 |
| 80303 | Boulder | 22,361 | 392 |
| 80305 | Boulder | 16,874 | 905 |
| 80310 | Boulder | 6,578 | 5,854 |
| 80540 | Lyons | 4,461 | 11 |
| 80466 | Nederland | 3,338 | 14 |
| 80481 | Ward | 572 | 3 |
| 80455 | Jamestown | 497 | 6 |
| 80510 | Allenspark | 420 | 3 |
| 80025 | Eldorado Springs | 253 | 8 |
| 80544 | Niwot | 111 | 873 |
| 80471 | Pinecliffe | 23 | 12 |
All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.