Fort Madison, Iowa ZIP Codes
- ZIP records
1 - Sum of listed ZIP population estimates
12,677 - Counties represented
1 - Population range
12,677–12,677 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 | 52627 | Fort Madison | Lee | 12,677 |
Counties represented
All ZIP Codes in Fort Madison
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.