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Census

Guide to using U.S. Census (Federal) material at the Connecticut State Library, both Historic and Current

Location of Connecticut Information included in the 1940 United States Census

1940 Census data for Connecticut is available for these geographic areas:

  • State
  • County
  • City
  • Metropolitan Districts
  • Urban & Rural Areas
  • Minor Civil Divisions
  • Wards of Cities
  • Voting Districts

Boundaries of geographic areas may be determined using a combination of Census Descriptions of Geographic Subdivisions and Enumeration Districts, (a microfilm set kept in the Newspaper Room at the State Library, call number F93 .U5 1978, reel 64) and town maps.

Boundaries may also be determined using Enumeration district maps for the fifteenth census of the United States, 1930, (a microfilm reel kept in the Newspaper Room at the State Library, call number F 93 .U5651 2001 mfilm reel 5)

(Note that not all data is available for all geographic areas)

Final Reports

Population

Location of Connecticut Tract Information included in the 1940 United States Census.

NOTE: tracts were not established until after 1930 so there are not comparative figures for earlier censuses

Location of Connecticut Block Information included in the 1940 United States Census (note, blocks were not established until after 1930 so there are not comparative figures for earlier censuses):

  • 16th Census of the United States 1940, Housing...Bridgeport Block Statistics  Maps: Voting Dist. & Blocks insert  GIRS Ref C 3.940-31:C 76/3
  • 16th Census of the United States 1940, Housing...Hartford Block Statistics     Tracts & Blocks, insert     GIRS Ref C 3.940-31:C 76/2
  • 16th Census of the United States 1940 Housing, Analytical Maps Hartford, Conn., Block Statistics     Blocks     GIRS Ref C 3.940-31:C 76/2/Analytical
  • 16th Census of the United States 1940, Housing...New Britain Block Statistics     Wards & Blocks, insert     GIRS Ref C 3.940-31:C 76/4
  • 16th Census of the United States 1940, Housing...New Haven Block Statistics     Tracts & Blocks, insert     GIRS Ref C 3.940-31:C 76/5
  • 16th Census of the United States 1940, Housing...Waterbury Block Statistics     Wards & Blocks, insert     GIRS Ref C 3.940-31:C 76/