Valley: Population
Note: 2011-2019 estimates were revised per the Census Bureau's updates when the 2020 data were released.
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.
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