32 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 66062 | Olathe | 78,841 |
| 66061 | Olathe | 67,967 |
| 66212 | Overland Park | 32,917 |
| 66213 | Overland Park | 30,539 |
| 66030 | Gardner | 26,328 |
| 66215 | Lenexa | 25,960 |
| 66221 | Overland Park | 25,550 |
| 66216 | Shawnee | 24,881 |
| 66223 | Overland Park | 24,747 |
| 66208 | Prairie Village | 21,576 |
| 66209 | Leawood | 20,413 |
| 66210 | Overland Park | 20,347 |
| 66203 | Shawnee | 19,441 |
| 66204 | Overland Park | 17,948 |
| 66202 | Mission | 17,408 |
| 66226 | Shawnee | 16,219 |
| 66207 | Overland Park | 15,739 |
| 66205 | Mission | 14,032 |
| 66219 | Lenexa | 13,519 |
| 66224 | Overland Park | 12,683 |
| 66214 | Overland Park | 12,351 |
| 66206 | Leawood | 12,153 |
| 66085 | Stilwell | 11,486 |
| 66227 | Lenexa | 9,595 |
| 66218 | Shawnee | 8,820 |
| 66220 | Lenexa | 8,535 |
| 66018 | De Soto | 6,584 |
| 66211 | Leawood | 5,791 |
| 66217 | Shawnee | 5,468 |
| 66021 | Edgerton | 2,819 |
| 66031 | New Century | 655 |
| 66251 | Overland Park | 8 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 32 ZCTAs in Johnson County, Kansas (US Census).