Zip Code | City | Population |
|---|---|---|
| 62704 | Springfield | 40,495 |
| 62702 | Springfield | 32,539 |
| 62703 | Springfield | 28,809 |
| 62711 | Springfield | 17,759 |
| 62629 | Chatham | 15,245 |
| 62712 | Springfield | 10,275 |
| 62707 | Springfield | 7,725 |
| 62563 | Rochester | 5,759 |
| 62684 | Sherman | 5,669 |
| 62615 | Auburn | 5,490 |
| 62561 | Riverton | 5,107 |
| 62558 | Pawnee | 3,489 |
| 62670 | New Berlin | 2,514 |
| 62677 | Pleasant Plains | 2,176 |
| 62693 | Williamsville | 1,805 |
| 62520 | Dawson | 1,513 |
| 62661 | Loami | 1,477 |
| 62530 | Divernon | 1,415 |
| 62545 | Mechanicsburg | 1,296 |
| 62539 | Illiopolis | 1,151 |
| 62701 | Springfield | 1,078 |
| 62515 | Buffalo | 1,059 |
| 62625 | Cantrall | 874 |
| 62536 | Glenarm | 741 |
| 62689 | Thayer | 557 |
| 62706 | Springfield | 0 |