In the 1870 US census Black River Falls post office, township of Albion, Jackson county, Wisconson
David [Daniel] Oakland, age 34, male, farmer, born Norway, both parents of foreign birth
Susan [Sonneva] Oakland, age 30, female, born Norway, both parents of foreign birth
Rhoda Oakland, age 10, female, born Wisconson, both parents of foreign birth
Julia Oakland [Gunild], age 8, female, born Wisconson, both parents of foreign birth
John Oakland, age 6, male, born Wisconson, both parents of foreign birth
Stephen Oakland, age 4, male, born Wisconson, both parents of foreign birth
Osmina Oakland, age 3, female, born Wisconson, both parents of foreign birth
Daniel Oakland, age 1, male, born Wisconson, both parents of foreign birth
[Apparently they Americanised some of the names. But David for Daniel?]

In the 1880 US census Esthervill Township, Emmet County, Iowa
Daniel A. Oakland, age 43, farmer, born Norway, parents born Norway
Wife Martha Oakland, age 52, keeping house, born Norway, parents born Norway
Daughter Gunild Oakland, age 17, at home, born Wisconson, parents born Norway
Son John Oakland, age 15, works on farm, born Wisconson, parents born Norway
Son Stephen Oakland, age 13, works on farm, born Wisconson, parents born Norway
Daughter Osmina Oakland, age 12, at home, born Wisconson, parents born Norway
Son D. Michail, age 10, at home, born Wisconson, parents born Norway
Stepson Sever Folkadal, age 20, works on farm, born Wisconson, parents born Norway
Stepson Joseph Folkadal, age 17 works on farm
[It would seem Daniel A. Oakland remarried and Sever and Joseph are sons from Martha’s first marriage. Since Gunild Oakland and Joseph Folkadal are both 17, perhaps Daniel remarried as well and perhaps some or all of his children are from a previous marriage]
[Answer: The Bennett Family Tree at ancestry by Gjende76 indicates all of Daniels children’s mother was Sonneva Karine Johansdatter Oakland (nee Lie or Lee) and that Sonnneva died in 1871]

In the 1900 US census Montrose Township, Cavalier County, North Dakota
Head Daniel Oakland, born November 1836, age 63, married 41 years [should be 28 or 29], born Norway, parents born Norway, immigrated 1855, farmer
Wife Martha Oakland, born Jun 1827, age 72, married 41 years, 9 children born alive - 3 still living, born Norway, parents born Norway, immigrated 1854
2 farm labourers and 1 servant
Grandson Joseph Oakland, born June 1893, age 7, born Iowa

In the 1910 US census Montrose, Cavalier, North Dakota
Head Daniel A Oakland,, age 73, second marriage, married 39 years, born Norway, parents born Norway, immigrated 1855, farmer - general farm
Wife Martha L. Oakland, age 82, second married, married 39 years, 8 children born alive - 1 still living, born Norway, parents born Norway, immigrated 1854
Grandson Joseph M. Oakland, age 17, single, born Iowa, parents born Wisconsin, labourer - general farm
1 servant and 1 hired man

Findagrave.com
Daniel Aanenson Oakland
Birth 6 Nov 1836, Norway
Death 16 Feb 1920 (aged 83), Nekoma, Cavalier County, North Dakota, USA
Burial Nekoma Cemetery, Langdon, Cavalier County, North Dakota, USA
Memorial ID 229863968
Family Members
Spouses
Sonneve Karine Johannesdatter Lie Okland 1841–1871 (m. 1859)
Martha Haugen Oakland 1827–1914 (m. 1871)
Children
Randie Oakland Molver 1860–1942
Gonel Oakland Hendrickson 1862–1949
Endre Stephen Oakland 1865–1959

Also Lee instead of Lie