Census Bureau's "By Decade" website - includes a variety of publications, questionnaires, datasets, and more
Highlights
Questions asked (see questionnaire)
Information obtained from all persons: Address; home owned or rented; value or monthly rental; whether on a farm; name; relationship to head of household; sex; race; age; marital status; school or college attendance; educational attainment; place of birth; citizenship of foreign born; county, State, and town or village of residence 5 years ago and whether on a farm; employment status; if at work, whether in private or nonemergency government work, or in public emergency work (WPA, NYA, CCC, etc.); if in private or nonemergency government work, number of hours worked during week of March 24-30; if seeking work or on public emergency work, duration of unemployment; occupation, industry, and class of worker; number of weeks worked last year; wage or salary income last year and whether received other income of $50 or more.
Information from 5-percent sample: Place of birth of parents; language spoken in home in earliest childhood; veteran status; which war or period of service; whether wife or widow of veteran; whether a child under 18 of a veteran and, if so, whether father is living; whether has Social Security number, and if so, whether deductions were made from all part of wages or salary; occupation, industry, and class of worker; of women ever married-whether married more than once, age at first marriage, and number of children ever born.
Supplemental schedule for infants born during the four months preceding the census.
Social Explorer - remote access limited to UCSD affiliates
Find all 1940 census publications in the library catalog.
Selected publications:
Census of Population Vol. I: Number of Inhabitants [C 3.14:940/13/ v.1]
Census of Population Vol II: Characteristics of the Population [C3.14:940/13/v.2/pt.1-7]
Census of Population Vol III: The Labor Force [C3.14:940/13/v.3/pt.1-5]
Census of Population Vol IV: Characteristics by age [C3.14:940/13/v.4/pt.1-4]
Census of Population: Characteristics of persons not in the labor force, 14 years old and over [C 3.14:940/13/5]
Census of Population: Characteristics of the non-white population by race [C 3.14:940/13/6]
Census of Population: Comparative occupation statistics for the United States, 1870 to 1940 [C 3.14:940/13/7]
Census of Population: Differential Fertility, 1940 and 1910 [C 3.14:940/15/8-1 C 3.14:940/13/8-2]
Census of Population: Internal Migration, 1935 to 1940 [C 3.14:940/13/12-1]
Census of Population: The Labor Force [C 3.14:940/13/13-]
Census of Population: Nativity and parentage of the white population [C 3.14:940/13/14-]
Census of Population: Special report on institutional population…[C 3.14:940/13/15]
Census of Population: Families [C 3.14:940/13/11-]
Census of Housing Vol. 1: Data for Small Areas [C3.14:940/5/v.1/summ]
Census of Housing Vol. 2: General Characteristics [C3.14:940/5/v.2/pt.1-4]
Census of Housing Vol. 3: Characteristics by Monthly Rent or Value [C3.14:940/5/v.3/pt.1-3]
Census of Housing Vol. 4: Mortgages on Owner-Occupied Nonfarm Homes [C 3.14:940/5/v.4/pt 1-4]
Census of Population and Housing: Families [C 3.14:940/14/1/pt 1-4]
Population and housing. Statistics for census tracts, Los Angeles-Long Beach, CA [C 3.14:940/14/2-1/29]
Census of Population: Education[C 3.14:940/13/9-]
Areas of the United States [C 3.14:940/4/1]
