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Maps: Census and Enumeration

North Carolina Maps

National Archives ED Map Search

The National Archives provides an ED Map Search. Enter in the search box: 1940 Census maps + the county + the state. For example "1940 Census maps Gaston North Carolina". (Warning: these can be very large images)
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Enumeration District Maps in One Step

View Enumeration District Maps for 1940 and 1950 at Census website by Stephen P. Morse, PhD  &  Joel D. Weintraub, PhD

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Historical Atlases and Maps of U.S. and States

Use to find out when a county was formed and from what other counties its territory was taken. This web site provides this information for all U. S. counties.
Select a State such as North Carolina.

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HeritageQuest Database

HeritageQuest is a free genealogy database available through It can be accessed from any internet-enabled device with a current library card number.

HeritageQuest has the Map Guide to the U.S. Federal Censuses, 1790-1920. Select a State to see how the county boundaries changed with each census year or view the entire United States by decade to see the changes in state boundary lines.

HeritageQuest has the U.S. Enumeration District Maps and Descriptions, 1940. The 1940 census was divided into enumeration districts (geographic areas) created to allow a census taker (enumerator) to visit every house in the district within a two-week period (one month allowed for rural areas). Enumeration district maps illustrate these districts’ boundaries.

United States Enumeration District Maps for the Twelfth through the Sixteenth US Censuses, 1900-1940

Family Search has the United States Enumeration District Maps for the Twelfth through the Sixteenth US Censuses, 1900-1940.
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U.S. Census LibGuide

For more information about the U.S. Census and Enumeration Districts, please visit the Census LibGuide.

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