The most recent county-level data available by age, race, sex, and ethnicity are the Vintage 2020 Population Estimates (census.gov) for 2010 to 2019 and the Vintage 2022 Population Estimates (census.gov) for 2020 through 2022. We will update this experience, including the 2010-2019 estimates, when the Bureau releases county-level 2010-2020 ... More @Wikipedia
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