16 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 30044 | Lawrenceville | 100,056 |
| 30043 | Lawrenceville | 88,050 |
| 30024 | Suwanee | 85,442 |
| 30096 | Duluth | 69,456 |
| 30047 | Lilburn | 67,675 |
| 30519 | Buford | 56,661 |
| 30518 | Buford | 56,151 |
| 30039 | Snellville | 50,725 |
| 30093 | Norcross | 49,072 |
| 30045 | Lawrenceville | 46,943 |
| 30019 | Dacula | 46,553 |
| 30078 | Snellville | 41,998 |
| 30046 | Lawrenceville | 39,968 |
| 30092 | Peachtree Corners | 36,674 |
| 30071 | Norcross | 25,757 |
| 30017 | Grayson | 24,463 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 16 ZCTAs in Gwinnett County, Georgia (US Census).