The Demographic Profile Summary File contains 100 percent data asked of all people and about every housing unit on topics such as sex, age, race, Hispanic or Latino origin, household relationship, household type, group quarters population, housing occupancy, and housing tenure.
Adopted Children and Stepchildren: 2000
Characteristics of the 2.1 million adopted children and 4.4 million stepchildren of householders as estimated from the Census 2000 sample.
Public Use Microdata Sample (PUMS) Dataset
Here you will find 1-Percent Public Use Microdata Sample (PUMS) Files 5-Percent Public Use Microdata Sample (PUMS) Files.
American Indian and Alaska Native Summary File Dataset
The AIAN Summary File contains data on population characteristics, such as sex, age, average household size, household type, and relationship to householder.