Census Records for North Dakota From Ancestry.com Wiki •
Indexed—1850 as Pembina County, Minnesota Territory; 1860, as
unorganized Dakota; 1870, as Dakota Territory; special 1885 (see
below), 1900, 1910, 1920, 1930 • Soundex—1900, 1920 Industry and
Agriculture Schedules • Agriculture—1870, 1880 • 1860, 1870,
1880 Indexed as Dakota Territory; 1885 Union Veterans Schedules
The first federal census records available for this area can be
found with the 1836 Iowa Territory census. North Dakota State
Archives and Historical Research Library of the State Historical
Society of North Dakota (see North Dakota Archives, Libraries,
and Societies) holds microfilmed copies of 1850 Pembina County
Minnesota; 1860, 1870, and 1880 of Dakota Territory; the 1890
Union veterans and widows census; the 1900 census, including
Soundex; and 1910 census. Dakota Territory agriculture schedules
for 1870 and 1880 are on microfilm at the South Dakota State
Historical Society. The 1857 census for Pembina County, then
part of Minnesota Terri