Seniors Have Been Eligible for Three Months, But Some Are Still Not Vaccinated 73.6 percent of D.C. residents over 65 are at least partially vaccinated, according to the CDC. Nationwide, 79.6 percent of residents over 65 are vaccinated. Get our free newsletter Success! You're on the list. Whoops! There was an error and we couldn't process your subscription. Please reload the page and try again. Processing… I already get the newsletter Every D.C. resident over 16 has been eligible for the COVID-19 vaccine for three days. Every resident over 65 has been eligible for the vaccine for three months, and still some are not yet vaccinated.