Jefferson County, Kentucky ZIP Codes
- ZIP records
38 - Cities represented
5 - Sum of listed ZIP population estimates
788,809
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 40214 | Louisville | 45,405 |
| 2 | 40216 | Louisville | 44,047 |
| 3 | 40299 | Louisville | 42,207 |
| 4 | 40229 | Louisville | 41,299 |
| 5 | 40291 | Louisville | 41,222 |
| 6 | 40219 | Louisville | 39,909 |
| 7 | 40245 | Louisville | 39,835 |
| 8 | 40272 | Louisville | 38,289 |
| 9 | 40220 | Louisville | 35,078 |
| 10 | 40218 | Louisville | 33,736 |
Cities in Jefferson County
ZIP Directory
- ZIP 40023
- ZIP 40025
- ZIP 40041
- ZIP 40118
- ZIP 40202
- ZIP 40203
- ZIP 40204
- ZIP 40205
- ZIP 40206
- ZIP 40207
- ZIP 40208
- ZIP 40209
- ZIP 40210
- ZIP 40211
- ZIP 40212
- ZIP 40213
- ZIP 40214
- ZIP 40215
- ZIP 40216
- ZIP 40217
- ZIP 40218
- ZIP 40219
- ZIP 40220
- ZIP 40221
- ZIP 40222
- ZIP 40223
- ZIP 40228
- ZIP 40229
- ZIP 40231
- ZIP 40241
- ZIP 40242
- ZIP 40243
- ZIP 40245
- ZIP 40258
- ZIP 40272
- ZIP 40280
- ZIP 40291
- ZIP 40299
Browse all ZIP data for Kentucky
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.