State: Illinois
Time zone: Eastern GMT -6:00.
| Population: | 26,300 |
| 2000 Population: | 26,904 |
| White Population: | 24,112 |
| Black Population: | 2,071 |
| Hispanic Population: | 342 |
| Asian Population: | 169 |
| Hawaiian Population: | 44 |
| Indian Population: | 4 |
| Other Population: | 108 |
| Male Population: | 12,878 |
| Female Population: | 14,026 |
| Median Age: | 74.6 |
| Male Median Age: | 72.2 |
| Female Median Age: | 76.9 |
| Households: | 12,236 |
| Average Household Size: | 5.12 |
| Average House Value: | $183,800 |
| Average Household Income: | $79,951 |
| Land Area: | 207.85 sq mi |
| Water Area: | 0.765 sq mi |
Leland Bakerville , Camp Ground , Dodds , Idlewood , Marcoe , Miller Lake , Mount Vernon-outland Airport , Summersville , Mount Vernon
Oreana, IL ( 1.6 miles)
Argenta, IL ( 2.5 miles)
Cisco, IL ( 6.3 miles)
Maroa, IL ( 6.7 miles)
Forsyth, IL ( 7.5 miles)
Cerro Gordo, IL ( 8.4 miles)
Milmine, IL ( 10.0 miles)
Weldon, IL ( 10.7 miles)
Lane, IL ( 10.9 miles)
Decatur, IL ( 11.1 miles)
| 2000 Population: | 12,419,293 |
| White Population: | 9,125,471 |
| Black Population: | 1,876,875 |
| Asian Population: | 423,603 |
| Indian Population: | 31,006 |
| Hawaiian Population: | 4,610 |
| Other Population: | 722,712 |
| Male Population: | 6,080,336 |
| Female Population: | 6,338,957 |
| Median Age: | 34.70 |
| Male Median Age: | 33.30 |
| Female Median Age: | 36.00 |
| 2000 Households: | 4,591,779 |
| White Households: | 3,586,667 |
| Black Households: | 625,590 |
| Asian Households: | 134,333 |
| Indian Households: | 9,657 |
| Hawaiian Households: | 1,208 |
| Average Household Size: | 2.63 |
| Average Family Size: | 3.23 |