The Iroquois Census Project contains yearly annuity census rolls for the Iroquois Nations residing in New York State, starting in 1851 through 1886, with rolls also for 1890 and 1902.
Buffalo Creek Census 1840 transcription; 1915 Cattaraugus and Allegany territories transcription; 1915 Tonawanda territory transcription; 1845 NY State census of Buffalo Creek territory; appraisal report, Seneca territories, 1843-1844.
Social Explorer provides easy access to demographic information about the United States. We provide thousands of interactive data maps going back to 1790. Formerly known as the Historical Census Browser from the U. of Virginia.
National Historical Geographic Information System (NHGIS)
Free aggregate census data and GIS-compatible boundary files for the United States between 1790 and 2010. Excellent tool for historians and city planners.
This is the nation's first census. Heads of families are listed by name; everyone else in the household is counted with hash marks in various age/sex/race categories. In 1790, there wasn't a lot of settlement west of the Hudson River. Census takers did not come to what is now Buffalo until 1810.
1875 Census Index Cattaraugus Co., Indian Reservation
This index (of surnames of heads of households only) was made many years ago for the Cattaraugus County Museum at Little Valley, NY and has been digitized by a team of Cattaraugus County researchers. There will be errors, given the difficulty in deciphering some of the handwriting of the original census records.