Downey, California ZIP Codes
- ZIP records
3 - Sum of listed ZIP population estimates
110,939 - Counties represented
1 - Population range
24,853–45,319 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 | 90241 | Downey | Los Angeles | 45,319 |
| 2 | 90242 | Downey | Los Angeles | 40,767 |
| 3 | 90240 | Downey | Los Angeles | 24,853 |
Counties represented
All ZIP Codes in Downey
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.