Back Historia de Illinois Spanish Histoire de l'Illinois French イリノイ州の歴史 Japanese История Иллинойса Russian
| Year | Pop. | ±% p.a. |
|---|---|---|
| 1800 | 2,458 | — |
| 1810 | 12,282 | +17.45% |
| 1820 | 55,211 | +16.22% |
| 1830 | 157,445 | +11.05% |
| 1840 | 476,183 | +11.70% |
| 1850 | 851,470 | +5.98% |
| 1860 | 1,711,951 | +7.23% |
| 1870 | 2,539,891 | +4.02% |
| 1880 | 3,077,871 | +1.94% |
| 1890 | 3,826,352 | +2.20% |
| 1900 | 4,821,550 | +2.34% |
| 1910 | 5,638,591 | +1.58% |
| 1920 | 6,485,280 | +1.41% |
| 1930 | 7,630,654 | +1.64% |
| 1940 | 7,897,241 | +0.34% |
| 1950 | 8,712,176 | +0.99% |
| 1960 | 10,081,158 | +1.47% |
| 1970 | 11,113,976 | +0.98% |
| 1980 | 11,426,518 | +0.28% |
| 1990 | 11,430,602 | +0.00% |
| 2000 | 12,419,293 | +0.83% |
| 2010 | 12,830,632 | +0.33% |
| 2020 | 12,812,508 | −0.01% |
| Source: 1910–2020[1] | ||
The history of Illinois may be defined by several broad historical periods, namely, the pre-Columbian period, the era of European exploration and colonization, its development as part of the American frontier, its early statehood period, growth in the 19th and 20th centuries, and contemporary Illinois of today.
- ^ "Historical Population Change Data (1910–2020)". Census.gov. United States Census Bureau. Archived from the original on April 29, 2021. Retrieved May 1, 2021.