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Background • Federal Census Summary • State Map with County Boundaries • Counties • Links to State Resources Background
Most of present-day Kansas was included in the Louisiana Purchase of 1803, forming part of Louisiana and then Missouri Territory. Kansas Territory was organized in 1854, and included part of present-day Colorado. Kansas was admitted as a State on January 29, 1861 with essentially its present boundaries.
| Capital: Topeka | Total Area: 82,277 sq mi | ||
| Latitude: 37°N to 40°N | Longitude: 94°38'W to 102°1'34"W | ||
| Last Significant Boundary Change: 1860 | |||
Census coverage of Kansas began in 1860 and included the whole State by 1880. The 1860 census reported Kansas and Colorado Territory in terms of their 1861 boundaries.
| 1790: --- | 1800: --- | 1810: --- | 1820: --- |
| 1830: --- | 1840: --- | 1850: --- | 1860: 107,206 |
| 1870: 364,399 | 1880: 996,096 | 1890: 1,428,108 | 1900: 1,470,495 |
| 1910: 1,690,949 | 1920: 1,769,257 | 1930: 1,880,999 | 1940: 1,801,028 |
| 1950: 1,905,299 | 1960: 2,178,611 | 1970: 2,246,578 | 1980: 2,363,679 |
| 1990: 2,477,574 | 2000: 2,688,418 |