Copies of the 1870 census lists are available on 35 millimeter microfilm from: Census Microfilm Expeditors or the National Archives.   Series: M593 Rolls: 1 - 1748.

Most of the state of Minnesota is available as:
Series: T132 Rolls: 1 - 13.

1870 Facts

    1. Ninth U.S. decennial population census.
    2. U.S. population: 38.6 million
    3. Census conducted by U.S. marshals under the
        direction of the Census Office appointed by the
        U.S. Secretary of the Interior.
    4. Census day: 1 June 1870.
    5. Mandated copies: Three sets, one to the county court,
        a second to the secretary of the state (or the territory)
        and the last to the U.S. Secretary of the Interior.