| Allen Zip Code, Kansas - USA | |||
| ELSMORE | 66732 | 37.838456 | -95.215073 |
| GAS | 66742 | 37.923162 | -95.346697 |
| HUMBOLDT | 66748 | 37.829342 | -95.34549 |
| IOLA | 66749 | 37.885757 | -95.391057 |
| LA HARPE | 66751 | 37.914528 | -95.255758 |
| MORAN | 66755 | 37.914394 | -95.197671 |
| SAVONBURG | 66772 | 37.768978 | -95.24453 |
Both Thomas Jefferson and John Adams passed away on July 4, 1826, 50 years after the Declaration of Independence was signed.