1830 and 1840 Blount County Federal Census

Alabama.

1840 Bloom Twp., Fairfield County, Ohio, Census

1840 Census Mercer County

Transcription for Mercer County, Pennsylvania - 1840 complete - all townships and boroughs including Mahoning, Neshannock and Slippery Rock Townships that later became part of Lawrence County, Pennsylvania.

1840 Census of Pensioners for Revolutionary and Military Service

1840 Census of Pensioners for Revolutionary and Military Service as returned under the act for taking the sixth census.

1840 Census, Oldham County Kentucky

1840 Dekalb Co. TN Federal Census--District 1

Transcription of the 1st Dist. of Dekalb Co. TN as taken from the microfilm of the Census Records for the year 1840. Some of the writing was hard to read so there may be errors. As with any transcription, consult the actual microfilm to resolve any discrepancies.

1840 Lawrence County, KY Census Index

1840 Lowndes County Georgia Federal Census Index

1840 U. S. Census Report for Taney County, Missouri

Amazon.com - Index, 1840 Federal Population Census, Indiana

A book by Indiana Historical Society.

Ancestry.com - 1840 United States Federal Census $

Includes research tips and information about the questions asked in each census. Ancestry.com has searchable indexes; database results and some digitized images are available with a fee-based subscription.

Archives.com - 1840 U.S. Federal Population Census $

2,566,554 Records. Source: National Archives, Courtesy of FamilySearch.org. Use Archives.com with a FREE 7-day membership and search over 2.1 billion records. Pay-for-use after the seven day free trial.

Autauga County, Alabama 1840 Census

FamilySearch.org - United States Census, 1840 ^FREE

Name index to the population schedules listing the inhabitants of the United States in 1840. This was the sixth national census conducted since 1790. Index provided by Ancestry.com.

Internet Archive - 6th Population Census of the United States - 1840 ^FREE

This microfilm was provided by the Genealogy Center at the Allen County Public Library in Fort Wayne, Indiana, and sponsored by the Internet Archive.

Kosciusko County Census Data

Online census for Kosciusko County Indiana for the years 1840, 1850, 1860, & 1870.

Oktibbeha County Mississippi 1840 Census Index

The Connecticut 1840 Census of Pensioners for Revolutionary or Military Service

The Massachusetts 1840 Census of Pensioners for Revolutionary or Military Service

The Massachusetts 1840 Census of Pensioners for Revolutionary or Military Services with their names, ages, and places of residence, as returned by the marshals of the several Judicial Districts, under the act for taking the sixth census.

The Rhode Island 1840 Census of Pensioners for Revolutionary or Military Service | Genealogy

1840 Census of Pensioners For Revolutionary or Military Services: With Their Names, Ages, and Places of Residence, as Returned by the Marshals of the Several Judicial Districts, Under the Act for Taking the Sixth Census.