Jefferson
County in Illinois
County
The population development of Jefferson.
| 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 | |
|---|---|---|---|---|---|---|---|
| Jefferson | County | 37,020 | 40,045 | 38,827 | 37,113 | 36,107 | → |
| 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 Jefferson.
| 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 | |
|---|---|---|---|---|---|---|---|---|
| Belle Rive | Village | Jefferson | 396 | 364 | 360 | 309 | 300 | → |
| Bluford | Village | Jefferson | 747 | 796 | 691 | 625 | 604 | → |
| Bonnie | Village | Jefferson | 409 | 425 | 401 | 373 | 364 | → |
| Centralia | City | Marion / Clinton / Washington / Jefferson | 14,517 | 14,396 | 13,037 | 12,168 | 11,787 | → |
| Dix | Village | Jefferson | 470 | 501 | 450 | 468 | 456 | → |
| Ina | Village | Jefferson | 509 | 2,520 | 2,333 | 1,649 | 1,648 | → |
| Mount Vernon | City | Jefferson | 17,341 | 16,331 | 15,203 | 14,611 | 14,162 | → |
| Nason | City | Jefferson | 235 | 235 | 234 | 200 | 196 | → |
| Waltonville | Village | Jefferson | 391 | 414 | 443 | 417 | 402 | → |
| Woodlawn | Village | Jefferson | 624 | 667 | 694 | 623 | 607 | → |
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.