The number of Evens in Russia by years
The first information was obtained from the yasak documents of the 17th century, more often they were recorded along with the Tungus (Evenks). In the process of resettlement in the northeast, Evens increased in numbers from the second half of the 17th to the end of the 19th century by 3 times - from 3.6 thousand to 10.7 thousand people. Accurate information about the Evens has never been established. And according to the presented chart, we see a steady increase in the number of Evenks. According to the 2010 census, 15071 live in Yakutia, and 21830 Evens throughout the country.
Источники: Алексеев А. А. Эвены Верхоянья: история и культура (конец XIX -80-е гг.ХХ в.) – СПб: ВВМ, 2006. – 248 с.
Итоги Всероссийской переписи населения 2010 г. / https://sakha.gks.ru/folder/39644