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The text file created by Richard Forstall was modified by data@nber.org to make a .csv file of decennial population data that is easier to find and use.

Spreadsheets and statistical software can read the comma-separated CSV file.
The Stata .dta file can be converted to other formats using conversion software such as Stat/Transfer.

To download files in Internet Explorer, right-click on them and select "Save Target As...".

Updates and changes.

DocumentationData  
 Original text file from CensusComma-separated variables CSVStata .dta
documentation1900-90.txtcencounts.csvcencounts.dta
Last Update: April 25, 2007
Other sources of U.S. county population data:

The Survey of Epidemiology and End Results (SEER) created an excellent resource for recent 1969-on U.S. population at the level of the state or county and by age, race, sex, and more recently Hispanic origin.

The University of Virginia Library's Geostat Center is another source of pre-1969 county population data. They created electronic versions of the 1944-on County and City Data Books. These have county population estimates for 1930, 1940, 1943, 1950, 1960.

Paper sources for pre-1969 data include Census Report P25-427 "Estimates of the population of counties and metropolitan areas, July 1, 1966",and
P25-461 "Components of population change by county: 1960 to 1970".

E-mail data@nber.org to report errors or problems.

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