United States, Enumeration District Maps for the Twelfth through the Sixteenth Censuses - FamilySearch Historical Records

United States

What is in This Collection?
The collection consists of digital images of National Archives microfilm publication A3378, reproductions of enumeration district maps for the 1900, 1910, 1920, 1930 and 1940 censuses. Each census year, the nation was divided into enumeration districts. An enumeration district was an area that could be covered by a single census taker in one census period. Enumeration districts varied in size from one city block in urban areas to an entire county in rural areas.See also Enumerations District Descriptions, 1850-1950, National Archive publication T1210 NAID 721175 with searchable content

What Can These Records Tell Me?
The maps highlight the boundaries of individual enumeration districts.

How Do I Search This Collection?
To begin your search it is helpful to know:
 * The census year
 * The approximate address or residence of your ancestor

View the Images
View images in this collection by visiting the :
 * 1) Select NARA Roll Number - Contents to view the images.

How Do I Analyze the Results?
Compare each result from your search with what you know to determine if there is a match. This may require viewing multiple records or images. Keep track of your research in a research log.

I Found the Person I Was Looking For, What Now?

 * Use the maps to determine the appropriate enumeration district for your ancestor's residence for each census year
 * Look at each image comparing the information with the address for your ancestor until you find the map which is appropriate. Then search that enumeration district in census records

I Can’t Find the Person I’m Looking For, What Now?

 * The maps are especially helpful if you cannot locate your ancestor in the census index by enabling you to search a specific street or neighborhood
 * Consult the United States Record Finder to find other records

Citing This Collection
Citations help you keep track of places you have searched and sources you have found. Identifying your sources helps others find the records you used.

"Enumeration District Maps for the Twelfth through the Sixteenth Censuses of the United States, 1900-1940." Images. FamilySearch. http://FamilySearch.org : 14 June 2016. Citing NARA microfilm publication A3378. National Archives and Records Administration, Washington D.C.
 * Collection Citation:

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