| Name | Status | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| Mercer | County | 17,290 | 16,940 | 16,434 | o |
| Illinois | Federal State | 11,430,602 | 12,419,927 | 12,830,632 |
| Name | Status | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| Aledo | City | 3,755 | 3,613 | 3,640 | o |
| Joy | Village | 454 | 373 | 417 | o |
| Keithsburg | City | 747 | 714 | 609 | o |
| Matherville | Village | 703 | 772 | 723 | o |
| New Boston | City | 620 | 632 | 683 | o |
| North Henderson | Village | 184 | 187 | 187 | o |
| Seaton | Village | 221 | 242 | 222 | o |
| Sherrard | Village | ... | 729 | 640 | o |
| Viola | Village | 976 | 956 | 955 | o |
| Windsor | Village | 774 | 720 | 748 | o |
Source: US Census Bureau (web).
2011-04-03WWW.CITYPOPULATION.DE