32 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 66062 | Olathe | 77,794 |
| 66061 | Olathe | 67,510 |
| 66212 | Overland Park | 32,804 |
| 66213 | Overland Park | 30,024 |
| 66215 | Lenexa | 26,291 |
| 66030 | Gardner | 25,964 |
| 66223 | Overland Park | 25,050 |
| 66216 | Shawnee | 24,955 |
| 66221 | Overland Park | 24,835 |
| 66208 | Prairie Village | 21,754 |
| 66210 | Overland Park | 20,303 |
| 66209 | Leawood | 20,201 |
| 66203 | Shawnee | 19,195 |
| 66204 | Overland Park | 18,557 |
| 66202 | Mission | 17,321 |
| 66226 | Shawnee | 16,189 |
| 66207 | Overland Park | 15,149 |
| 66205 | Mission | 13,728 |
| 66219 | Lenexa | 13,410 |
| 66214 | Overland Park | 12,261 |
| 66224 | Overland Park | 12,184 |
| 66206 | Leawood | 12,030 |
| 66085 | Stilwell | 11,412 |
| 66227 | Lenexa | 8,897 |
| 66218 | Shawnee | 8,796 |
| 66220 | Lenexa | 8,166 |
| 66018 | De Soto | 6,537 |
| 66211 | Leawood | 5,550 |
| 66217 | Shawnee | 5,302 |
| 66021 | Edgerton | 2,792 |
| 66031 | New Century | 651 |
| 66251 | Overland Park | 6 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 32 ZCTAs in Johnson County, Kansas (US Census).