Katy, Texas ZIP Codes
- ZIP records
4 - Sum of listed ZIP population estimates
413,575 - Counties represented
2 - Population range
71,484–140,157 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 | 77494 | Katy | Fort Bend | 140,157 |
| 2 | 77449 | Katy | Harris | 130,028 |
| 3 | 77450 | Katy | Harris | 71,906 |
| 4 | 77493 | Katy | Harris | 71,484 |
Counties represented
All ZIP Codes in Katy
- ZIP 77449 — Harris County
- ZIP 77450 — Harris County
- ZIP 77493 — Harris County
- ZIP 77494 — Fort Bend County
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.