Hayward, California ZIP Codes
- ZIP records
4 - Sum of listed ZIP population estimates
191,800 - Counties represented
1 - Population range
14,871–76,947 per ZIP
Population sum includes positive estimates in these ZIP records; it is not an official city population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | County | Population estimate |
|---|---|---|---|---|
| 1 | 94544 | Hayward | Alameda | 76,947 |
| 2 | 94541 | Hayward | Alameda | 67,139 |
| 3 | 94545 | Hayward | Alameda | 32,843 |
| 4 | 94542 | Hayward | Alameda | 14,871 |
Counties represented
All ZIP Codes in Hayward
- ZIP 94541 — Alameda County
- ZIP 94542 — Alameda County
- ZIP 94544 — Alameda County
- ZIP 94545 — Alameda County
Browse all ZIP data for California
Methodology: ZIP records are grouped by the source file's primary city and state fields. Population ranges and sums use positive ZIP-level estimates; sums should not be read as official city totals. County links use each record's listed county assignment.