[1] Approximately 16 percent of households received a "long form" of the 1990 census, which contained more than 100 questions.

It was the first census to designate "Native Hawaiian and Other Pacific Islander" as a racial group separate from Asians.

To increase black participation in the 1990 United States census, the bureau recruited Bill Cosby, Magic Johnson, Alfre Woodard, and Miss America Debbye Turner as spokespeople.

Aggregate data for small areas, together with electronic boundary files, can be downloaded from the National Historical Geographic Information System.

Consequently, this affected the number of votes each state has in the Electoral College for the 1992 presidential election.