The book "1990 Census of the United States" is a documentary report compiled by a well-known American agency - the US Census Bureau. Conducted in 1990, this census is one of the most prominent demographic surveys of the past century, providing comprehensive information on the population composition, socioeconomic status, and level of development of various regions of American society. The book contains valuable data about the national composition, religious preferences, language structure and other aspects that affect the lives of US citizens. This document is not only an important resource for scientists and researchers, but also a reflection of the socio-cultural situation in the country in the early 90s of the 20th century.