Kosciusko County was organized in April, 1836. Prior to this most of the land was part of a large Cass County, with a tiny sliver of Turkey Creek and Tippecanoe Townships part of a larger Allen County. Complete Census Transcriptions are currently on line for both 1840, 1850, 1860 and 1870, each with an everyname index. Also available are the Mortality Schedules for 1850 and 1860. The LDS now has the complete 1880 on-line at familysearch.org.
Census Year | Population | Census Availability |
1840 | 4,170 | Complete Transcription On-Line with Index, Microfilm, CD-Rom, Hard Copy - Index & Census Transcription. Heads of Household Only |
1850 | 10,243 | Complete Transcription On-Line with Index, Microfilm, CD-Rom, Hard Copy - Index & Census Transcription. 1850 Mortality Schedule |
1860 | 17,420 | Complete Transcription On-Line with Index, Microfilm, CD-Rom, Hard Copy, CD-Rom, - Index & Census Transcription. 1860 Mortality Schedule |
1870 | 23,531 | Complete Transcription On-Line with Index, Microfilm, Hard Copy, CD-Rom, - Index & Census Transcription. |
1880 | 26,494 | Microfilm,   CD-Rom;Partial Soundex, Hard Copy - Index Only. On-line at familysearch.org HERE |
1890 | What Happened to the 1890 Census? | |
1900 | 29,109 | Microfilm, Soundex, CD-Rom, Hard Copy - Index Only. |
1910 | 27,936 | Microfilm, Hard Copy   CD-Rom;- Index Only. |
1920 | 27,120 | Microfilm, Soundex, CD-Rom, Hard Copy - Index Only. |
1930 | 27,488 | Microfilm |
1940 | 29,561 | To Be Released 2012. Statistics Available Now. |
1950 | 33,002 | To Be Released 2022. Statistics Available Now. |
1960 | 40,373 | To Be Released 2032. Statistics Available Now. |
1970 | 48,127 | To Be Released 2042. Statistics Available Now. |
1980 | 59,555 | To Be Released 2052. Statistics Available Now. |
1990 | 65,373 | To Be Released 2062. Statistics Available Now. |
1997e | 70,363 | Population Estimated |
2000e | 70,300 | Population Estimated |
2010e | 74,600 | Population Estimated |
2020e | 78,300 | Population Estimated |
2030e | 80,900 | Population Estimated |