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Barnwell County, South Carolina – Population Changes – 1920-2005


Learn More about Barnwell County | Population Trends for Other SC Counties


Click graph to learn more about Barnwell County, SC
Due to space constraint, 2005 data are listed under 2010.
  1. The red line shows how the population of Barnwell County has changed since 1920. From 1900 to 2005 the population of South Carolina more than tripled, and the population of the United States almost quadrupled.

  2. The actual population of Barnwell County on April 1 of each decennial census year is shown below the graph.

  3. The rankings below the population figures show how Barnwell County's population ranked among South Carolina's 46 counties. 1 = highest population; 46 = lowest population.

  4. Data sources: US Census Bureau, 1900-1990, 2000, and 2005 estimates (2005 data opens in Excel)