* Vaccinated = adults who received their first dose of either the Pfizer-BioNTech or Moderna COVID-19 vaccine, or a single dose of the Janssen COVID-19 vaccine (Johnson & Johnson).
The source used the 2013 National Center for Health Statistics (NCHS)
urban-rural classification scheme.
Citation formats
Share of COVID vaccinated U.S. adults, April 2021, by urban vs rural area and age
The COVID-19 vaccination rate in the U.S. from December 2020 to April 2021 was around two times higher among older adults.
This statistic shows the percentage of adults in the U.S. vaccinated against COVID-19 from December 2020 to April 2021, by their age and their county's six-level urban-rural classification.
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CDC, & MMWR. (May 21, 2021). Percentage of adults in the United States vaccinated against COVID-19 from December 2020 to April 2021, by urban-rural classification and age* [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 28, 2026, from /statistics/1239393/us-adults-covid-vaccinated-by-urban-rural-classification-and-age/
CDC, und MMWR. "Percentage of adults in the United States vaccinated against COVID-19 from December 2020 to April 2021, by urban-rural classification and age*." Chart. May 21, 2021. ÌÇÐÄÆƽâ°æ. Accessed July 28, 2026. /statistics/1239393/us-adults-covid-vaccinated-by-urban-rural-classification-and-age/
CDC, MMWR. (2021). Percentage of adults in the United States vaccinated against COVID-19 from December 2020 to April 2021, by urban-rural classification and age*. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 28, 2026. /statistics/1239393/us-adults-covid-vaccinated-by-urban-rural-classification-and-age/
CDC, and MMWR. "Percentage of Adults in The United States Vaccinated against Covid-19 from December 2020 to April 2021, by Urban-rural Classification and Age*." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 21 May 2021, /statistics/1239393/us-adults-covid-vaccinated-by-urban-rural-classification-and-age/
CDC & MMWR, Percentage of adults in the United States vaccinated against COVID-19 from December 2020 to April 2021, by urban-rural classification and age* ÌÇÐÄÆƽâ°æ, /statistics/1239393/us-adults-covid-vaccinated-by-urban-rural-classification-and-age/ (last visited July 28, 2026)
Percentage of adults in the United States vaccinated against COVID-19 from December 2020 to April 2021, by urban-rural classification and age* [Graph], CDC, & MMWR, May 21, 2021. [Online]. Available: /statistics/1239393/us-adults-covid-vaccinated-by-urban-rural-classification-and-age/
