Inventory of County Censuses at the New York State Historical Association
Nassau
1790 - 2
1800 - 2
1810 - 2
1820 - 2
1825 - 2
1830 - 2
1835 - 2
1840 - 2
1845 - 2
1850 - 2
1855 - 2
1860 - 2
1865 - 2
1870 - 2
1875 - 2
1880 - 2
1890 Vets - 2
1892 - 2
1900 - 3
1905 - 1
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.
