ECIDC Region Populations
| County | 2000 | 2010 | 2015 | |||
| Christian | 35,372 |
34,550 |
34,109 |
|||
| Clark | 17,008 |
16,774 |
16,651 |
|||
| Coles | 53,196 |
52,279 |
51,457 |
|||
| Crawford | 20,452 |
19,497 |
19,027 |
|||
| Cumberland | 11,253 |
10,962 |
10,778 |
|||
| Douglas | 19,922 |
19,644 |
19,429 |
|||
| Edgar | 19,704 |
18,769 |
18,329 |
|||
| Effingham | 34,264 |
34,451 |
34,405 |
|||
| Jasper | 10,117 |
9,817 |
9,678 |
|||
| Moultrie | 14,287 |
14,511 |
14,463 |
|||
| Shelby | 22,893 |
22,043 |
21,549 |