Concord, California ZIP Codes
- ZIP records
4 - Sum of listed ZIP population estimates
125,693 - Counties represented
1 - Population range
19,058–41,909 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 | 94521 | Concord | Contra Costa | 41,909 |
| 2 | 94520 | Concord | Contra Costa | 37,381 |
| 3 | 94518 | Concord | Contra Costa | 27,345 |
| 4 | 94519 | Concord | Contra Costa | 19,058 |
Counties represented
All ZIP Codes in Concord
- ZIP 94518 — Contra Costa County
- ZIP 94519 — Contra Costa County
- ZIP 94520 — Contra Costa County
- ZIP 94521 — Contra Costa 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.