Inventory of County Censuses at the New York State Historical Association
Niagara
1790 - 2
1800 - 2
1810
1820
1825 - 1
1830
1835 - 1
1840
1845 - 1
1850
1855 - 3
1860
1865 - 3
1870
1875 - 3
1880
1890 Vets
1892
1900
1905
1910
1915
1920
1925
1930
Key
Census available at NYSHA.
1 = Census not known to exist.
2 = County not yet formed; check parent county for persons living in that area.
3 = Census not available at NYSHA.
