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### Maps

### Also in this Section:

                          - 1881 Tombstone, AZ
                          - 1950 Enumeratin District Map
                          - 1820 Map: VA, MD, DC
                          - District of Columbia Tracts
                          - 1850 Political Map of the United States
                          - Distribution of Slaves in 1860
                          - Population Distribution Over Time
                          - 1890 Population Distribution
                          - DeBow's 1854 Map
                          - 1820 Population Map
                          - 1790 Population Map

## 1820 Population Map

The fourth census was taken under the provisions of an act of March 14, 1820. The enumeration began on the first Monday of August, and was scheduled to conclude within 6 calendar months; however, the time prescribed for completing the enumeration was extended to September 1, 1821. The 1820 census act required that enumeration should be by an actual inquiry at every dwelling house, or of the head of every family within each district.

Data relating to manufactures were collected by the assistants, sent to the marshals, and then transmitted to the Secretary of State at the same time as the population returns. The report on manufactures presented the data for manufacturing establishments by counties, but the results were not summarized for each district and an aggregate statement was compiled as a result of incomplete returns 

View larger image.1820 Population Map

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Measuring America's People, Places, and Economy

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