Norwalk, Connecticut ZIP Codes
- ZIP records
5 - Sum of listed ZIP population estimates
92,197 - Counties represented
1 - Population range
3,171–32,118 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 | 06854 | Norwalk | Western Connecticut | 32,118 |
| 2 | 06851 | Norwalk | Western Connecticut | 27,865 |
| 3 | 06850 | Norwalk | Western Connecticut | 19,692 |
| 4 | 06855 | Norwalk | Western Connecticut | 9,351 |
| 5 | 06853 | Norwalk | Western Connecticut | 3,171 |
Counties represented
All ZIP Codes in Norwalk
- ZIP 06850 — Western Connecticut County
- ZIP 06851 — Western Connecticut County
- ZIP 06853 — Western Connecticut County
- ZIP 06854 — Western Connecticut County
- ZIP 06855 — Western Connecticut County
Browse all ZIP data for Connecticut
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.