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Census Materials in the Connecticut State Library Guide

Guide to the print resources that highlight commonly requested tables with Connecticut information from the U.S. Decennial Censuses. It is not an exhaustive list.

U.S. Census 1870 - Ninth Decennial

Geography: Add Nevada, Nebraska

U.S. Census 1870 - Connecticut Information

1870 Census Data for Connecticut

Location of Connecticut Information included in the 1870 United States Decennial Census.

Available for these geographic areas:

  • State
  • County
  • City
  • Town
  • Ward of City

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 3) and town maps.

( NOTE: not all data is available for all geographic areas)


  • Ninth Census Volume I, The Statistics of the Population of the United States, General Tables of Aggregate Populations, Table III, Population of CT
    • CSL Fed Docs I 10.5:1
    • Civil Divisions less than counties begins on pg. 93   
  • Compendium of the Ninth Census, June 1, 1870.
    • CSL Fed Docs  I 10.2:C 73/reprint
    • Connecticut data throughout the volume.

Census Questions & Instructions

Census Note on Language

From the U.S. Census Bureau site (posted on several pages for historic censuses):

"A Note on Language
Census statistics date back to 1790 and reflect the growth and change of the United States. Past census reports contain some terms that today’s readers may consider obsolete and inappropriate. As part of our goal to be open and transparent with the public, we are improving access to all Census Bureau original publications and statistics, which serve as a guide to the nation's history."