Population Characteristics - Population (1) To resort data: click column headings. To download data: click here. County Name Change (%) Rank Change (%) Population 2010 Population 2023 Change (Number) Source: 1970 & 1980: U.S. Bureau of the Census, County Population Census Counts, (https://www.census.gov/programs-surveys/decennial-census/decade/decennial-publications.1970.html); 2001-2009, 2011-2022: U.S. Bureau of the Census, Population Estimates Program, (https://www.census.gov/programs-surveys/popest/data/tables.html); 1990, 2000, 2010: U.S. Bureau of the Census, Explore Census Data, (https://data.census.gov/cedsci/); DATE LAST UPDATED: August 21, 2024.