Mercer
County in Illinois
County
The population development of Mercer.
| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | Population Estimate 2024-07-01 | |
|---|---|---|---|---|---|---|---|
| Mercer | County | 17,290 | 16,957 | 16,434 | 15,696 | 15,292 | → |
| Illinois | State | 11,430,602 | 12,419,293 | 12,830,632 | 12,821,814 | 12,710,158 |
Contents: Incorporated Places
The population development of the incorporated places in Mercer.
| Name | Status | County | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | Population Estimate 2024-07-01 | |
|---|---|---|---|---|---|---|---|---|
| Aledo | City | Mercer | 3,743 | 3,624 | 3,648 | 3,634 | 3,522 | → |
| Alexis | Village | Warren / Mercer | 898 | 875 | 843 | 787 | 755 | → |
| Joy | Village | Mercer | 450 | 377 | 417 | 370 | 359 | → |
| Keithsburg | City | Mercer | 747 | 720 | 609 | 547 | 545 | → |
| Matherville | Village | Mercer | 708 | 772 | 720 | 710 | 690 | → |
| New Boston | City | Mercer | 620 | 625 | 688 | 616 | 605 | → |
| North Henderson | Village | Mercer | 184 | 193 | 187 | 163 | 159 | → |
| Reynolds | Village | Rock Island / Mercer | 582 | 516 | 543 | 498 | 488 | → |
| Seaton | Village | Mercer | 223 | 245 | 222 | 214 | 206 | → |
| Sherrard | Village | Mercer | 699 | 916 | 642 | 694 | 688 | → |
| Viola | Village | Mercer | 964 | 947 | 955 | 871 | 843 | → |
| Windsor | Village | Mercer | 774 | 722 | 748 | 672 | 652 | → |
Source: U.S. Census Bureau.
Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.